10-Q Filing

BOK FINANCIAL CORP CIK: 875357 Q3 2024

Filing Information

Form Type	10-Q
Accession Number	`0000875357-24-000050`
Period End Date	20240930
Filing Date	20241030
Fiscal Year	2024
Fiscal Period	Q3
XBRL Instance	bokf-20240930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 226 Income Statement 368 Cash Flow Statement 224 Stockholders Equity 80 Comprehensive Income 80

Balance Sheet 226 line items

Line Item	Tag	Value	Unit	Period
Cash and due from banks	`CashAndDueFromBanks`	$947.61M	USD	Point-in-time
Cash and due from banks	`CashAndDueFromBanks`	$947.61M	USD	Point-in-time
Cash and due from banks	`CashAndDueFromBanks`	$929.00M	USD	Point-in-time
Cash and due from banks	`CashAndDueFromBanks`	$929.00M	USD	Point-in-time
Investment Securities, Fair Value	`HeldToMaturitySecuritiesFairValue`	$2.07B	USD	Point-in-time
Investment Securities, Fair Value	`HeldToMaturitySecuritiesFairValue`	$2.07B	USD	Point-in-time
Interest-bearing cash and cash equivalents	`InterestBearingDepositsInBanks`	$400.65M	USD	Point-in-time
Interest-bearing cash and cash equivalents	`InterestBearingDepositsInBanks`	$400.65M	USD	Point-in-time
Investment Securities, Fair Value	`HeldToMaturitySecuritiesFairValue`	$1.94B	USD	Point-in-time
Investment Securities, Fair Value	`HeldToMaturitySecuritiesFairValue`	$1.94B	USD	Point-in-time
Interest-bearing cash and cash equivalents	`InterestBearingDepositsInBanks`	$547.04M	USD	Point-in-time
Interest-bearing cash and cash equivalents	`InterestBearingDepositsInBanks`	$547.04M	USD	Point-in-time
Investment Securities, Fair Value	`HeldToMaturitySecuritiesFairValue`	$2.07B	USD	Point-in-time
Investment Securities, Fair Value	`HeldToMaturitySecuritiesFairValue`	$2.07B	USD	Point-in-time
Trading securities	`TradingSecurities`	$5.19B	USD	Point-in-time
Trading securities	`TradingSecurities`	$5.19B	USD	Point-in-time
Real estate and other repossessed assets, allowance	`RealEstateOwnedValuationAllowance`	$5.36M	USD	Point-in-time
Real estate and other repossessed assets, allowance	`RealEstateOwnedValuationAllowance`	$5.36M	USD	Point-in-time
Trading securities	`TradingSecurities`	$5.14B	USD	Point-in-time
Trading securities	`TradingSecurities`	$5.14B	USD	Point-in-time
Real estate and other repossessed assets, allowance	`RealEstateOwnedValuationAllowance`	$5.36M	USD	Point-in-time
Real estate and other repossessed assets, allowance	`RealEstateOwnedValuationAllowance`	$5.36M	USD	Point-in-time
Investment securities, net of allowance	`HeldToMaturitySecurities`	$2.07B	USD	Point-in-time
Investment securities, net of allowance	`HeldToMaturitySecurities`	$2.07B	USD	Point-in-time
Investment securities, net of allowance	`HeldToMaturitySecurities`	$2.24B	USD	Point-in-time
Investment securities, net of allowance	`HeldToMaturitySecurities`	$2.24B	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Available-for-sale securities	`AvailableForSaleSecuritiesDebtSecurities`	$12.29B	USD	Point-in-time
Available-for-sale securities	`AvailableForSaleSecuritiesDebtSecurities`	$12.29B	USD	Point-in-time
Available-for-sale securities	`AvailableForSaleSecuritiesDebtSecurities`	$13.02B	USD	Point-in-time
Available-for-sale securities	`AvailableForSaleSecuritiesDebtSecurities`	$13.02B	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Fair value option securities	`FairValueOptionSecurities`	$19.17M	USD	Point-in-time
Fair value option securities	`FairValueOptionSecurities`	$19.17M	USD	Point-in-time
Fair value option securities	`FairValueOptionSecurities`	$20.67M	USD	Point-in-time
Fair value option securities	`FairValueOptionSecurities`	$20.67M	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	2.50B	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	2.50B	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	2.50B	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	2.50B	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	76.59M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	76.59M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	76.81M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	76.81M	shares	Point-in-time
Restricted equity securities	`FederalHomeLoanBankStockAndFederalReserveBankStock`	$389.33M	USD	Point-in-time
Restricted equity securities	`FederalHomeLoanBankStockAndFederalReserveBankStock`	$389.33M	USD	Point-in-time
Restricted equity securities	`FederalHomeLoanBankStockAndFederalReserveBankStock`	$423.10M	USD	Point-in-time
Restricted equity securities	`FederalHomeLoanBankStockAndFederalReserveBankStock`	$423.10M	USD	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	76.81M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	76.81M	shares	Point-in-time
Residential mortgage loans held for sale	`LoansReceivableHeldForSaleNetNotPartOfDisposalGroup`	$95.49M	USD	Point-in-time
Residential mortgage loans held for sale	`LoansReceivableHeldForSaleNetNotPartOfDisposalGroup`	$95.49M	USD	Point-in-time
Residential mortgage loans held for sale	`LoansReceivableHeldForSaleNetNotPartOfDisposalGroup`	$56.94M	USD	Point-in-time
Residential mortgage loans held for sale	`LoansReceivableHeldForSaleNetNotPartOfDisposalGroup`	$56.94M	USD	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	76.59M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	76.59M	shares	Point-in-time
Treasury stock, shares at cost (in shares)	`TreasuryStockCommonShares`	11.63M	shares	Point-in-time
Treasury stock, shares at cost (in shares)	`TreasuryStockCommonShares`	11.63M	shares	Point-in-time
Treasury stock, shares at cost (in shares)	`TreasuryStockCommonShares`	12.70M	shares	Point-in-time
Treasury stock, shares at cost (in shares)	`TreasuryStockCommonShares`	12.70M	shares	Point-in-time
Loans	`LoansAndLeasesReceivableGrossCarryingAmount`	$23.99B	USD	Point-in-time
Loans	`LoansAndLeasesReceivableGrossCarryingAmount`	$23.99B	USD	Point-in-time
Loans	`LoansAndLeasesReceivableGrossCarryingAmount`	$23.90B	USD	Point-in-time
Loans	`LoansAndLeasesReceivableGrossCarryingAmount`	$23.90B	USD	Point-in-time
Allowance for loan losses	`LoansAndLeasesReceivableAllowance`	$284.46M	USD	Point-in-time
Allowance for loan losses	`LoansAndLeasesReceivableAllowance`	$284.46M	USD	Point-in-time
Allowance for loan losses	`LoansAndLeasesReceivableAllowance`	$277.12M	USD	Point-in-time
Allowance for loan losses	`LoansAndLeasesReceivableAllowance`	$277.12M	USD	Point-in-time
Loans, net of allowance	`LoansAndLeasesReceivableNetReportedAmount`	$23.70B	USD	Point-in-time
Loans, net of allowance	`LoansAndLeasesReceivableNetReportedAmount`	$23.70B	USD	Point-in-time
Loans, net of allowance	`LoansAndLeasesReceivableNetReportedAmount`	$23.63B	USD	Point-in-time
Loans, net of allowance	`LoansAndLeasesReceivableNetReportedAmount`	$23.63B	USD	Point-in-time
Premises and equipment, net	`PropertyPlantAndEquipmentNet`	$622.22M	USD	Point-in-time
Premises and equipment, net	`PropertyPlantAndEquipmentNet`	$622.22M	USD	Point-in-time
Premises and equipment, net	`PropertyPlantAndEquipmentNet`	$632.82M	USD	Point-in-time
Premises and equipment, net	`PropertyPlantAndEquipmentNet`	$632.82M	USD	Point-in-time
Receivables	`AccruedInvestmentIncomeReceivable`	$317.92M	USD	Point-in-time
Receivables	`AccruedInvestmentIncomeReceivable`	$317.92M	USD	Point-in-time
Receivables	`AccruedInvestmentIncomeReceivable`	$299.69M	USD	Point-in-time
Receivables	`AccruedInvestmentIncomeReceivable`	$299.69M	USD	Point-in-time
Goodwill	`Goodwill`	$1.04B	USD	Point-in-time
Goodwill	`Goodwill`	$1.04B	USD	Point-in-time
Goodwill	`Goodwill`	$1.04B	USD	Point-in-time
Goodwill	`Goodwill`	$1.04B	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$51.20M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$51.20M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$59.98M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$59.98M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$293.88M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$293.88M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$333.25M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$333.25M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$277.61M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$277.61M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$311.38M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$311.38M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$315.92M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$315.92M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$304.72M	USD	Point-in-time
Mortgage servicing rights	`ServicingAssetAtFairValueAmount`	$304.72M	USD	Point-in-time
Real estate and other repossessed assets, net of allowance	`OtherRealEstateAndForeclosedAssets`	$2.62M	USD	Point-in-time
Real estate and other repossessed assets, net of allowance	`OtherRealEstateAndForeclosedAssets`	$2.62M	USD	Point-in-time
Real estate and other repossessed assets, net of allowance	`OtherRealEstateAndForeclosedAssets`	$2.88M	USD	Point-in-time
Real estate and other repossessed assets, net of allowance	`OtherRealEstateAndForeclosedAssets`	$2.88M	USD	Point-in-time
Derivative contracts, net	`DerivativeAssets`	$334.38M	USD	Point-in-time
Derivative contracts, net	`DerivativeAssets`	$334.38M	USD	Point-in-time
Derivative contracts, net	`DerivativeAssets`	$410.30M	USD	Point-in-time
Derivative contracts, net	`DerivativeAssets`	$410.30M	USD	Point-in-time
Cash surrender value of bank-owned life insurance	`BankOwnedLifeInsurance`	$409.55M	USD	Point-in-time
Cash surrender value of bank-owned life insurance	`BankOwnedLifeInsurance`	$409.55M	USD	Point-in-time
Cash surrender value of bank-owned life insurance	`BankOwnedLifeInsurance`	$413.68M	USD	Point-in-time
Cash surrender value of bank-owned life insurance	`BankOwnedLifeInsurance`	$413.68M	USD	Point-in-time
Receivable on unsettled securities sales	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$391.91M	USD	Point-in-time
Receivable on unsettled securities sales	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$391.91M	USD	Point-in-time
Receivable on unsettled securities sales	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$98.53M	USD	Point-in-time
Receivable on unsettled securities sales	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$98.53M	USD	Point-in-time
Other assets	`OtherAssets`	$1.07B	USD	Point-in-time
Other assets	`OtherAssets`	$1.07B	USD	Point-in-time
Other assets	`OtherAssets`	$982.17M	USD	Point-in-time
Other assets	`OtherAssets`	$982.17M	USD	Point-in-time
Total assets	`Assets`	$49.82B	USD	Point-in-time
Total assets	`Assets`	$49.82B	USD	Point-in-time
Total assets	`Assets`	$50.08B	USD	Point-in-time
Total assets	`Assets`	$50.08B	USD	Point-in-time
Non-interest bearing demand deposits	`NoninterestBearingDepositLiabilitiesDomestic`	$8.26B	USD	Point-in-time
Non-interest bearing demand deposits	`NoninterestBearingDepositLiabilitiesDomestic`	$8.26B	USD	Point-in-time
Non-interest bearing demand deposits	`NoninterestBearingDepositLiabilitiesDomestic`	$9.20B	USD	Point-in-time
Non-interest bearing demand deposits	`NoninterestBearingDepositLiabilitiesDomestic`	$9.20B	USD	Point-in-time
Transaction	`DemandDepositAccounts`	$20.96B	USD	Point-in-time
Transaction	`DemandDepositAccounts`	$20.96B	USD	Point-in-time
Transaction	`DemandDepositAccounts`	$24.31B	USD	Point-in-time
Transaction	`DemandDepositAccounts`	$24.31B	USD	Point-in-time
Savings	`DepositsSavingsDeposits`	$816.71M	USD	Point-in-time
Savings	`DepositsSavingsDeposits`	$816.71M	USD	Point-in-time
Savings	`DepositsSavingsDeposits`	$847.09M	USD	Point-in-time
Savings	`DepositsSavingsDeposits`	$847.09M	USD	Point-in-time
Time	`TimeDeposits`	$3.84B	USD	Point-in-time
Time	`TimeDeposits`	$3.84B	USD	Point-in-time
Time	`TimeDeposits`	$3.01B	USD	Point-in-time
Time	`TimeDeposits`	$3.01B	USD	Point-in-time
Total deposits	`Deposits`	$37.23B	USD	Point-in-time
Total deposits	`Deposits`	$37.23B	USD	Point-in-time
Total deposits	`Deposits`	$34.02B	USD	Point-in-time
Total deposits	`Deposits`	$34.02B	USD	Point-in-time
Funds purchased and repurchase agreements	`FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase`	$743.90M	USD	Point-in-time
Funds purchased and repurchase agreements	`FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase`	$743.90M	USD	Point-in-time
Funds purchased and repurchase agreements	`FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase`	$1.12B	USD	Point-in-time
Funds purchased and repurchase agreements	`FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase`	$1.12B	USD	Point-in-time
Other borrowings	`OtherBorrowings`	$4.73B	USD	Point-in-time
Other borrowings	`OtherBorrowings`	$4.73B	USD	Point-in-time
Other borrowings	`OtherBorrowings`	$7.70B	USD	Point-in-time
Other borrowings	`OtherBorrowings`	$7.70B	USD	Point-in-time
Subordinated debentures	`SubordinatedDebt`	$131.19M	USD	Point-in-time
Subordinated debentures	`SubordinatedDebt`	$131.19M	USD	Point-in-time
Subordinated debentures	`SubordinatedDebt`	$131.15M	USD	Point-in-time
Subordinated debentures	`SubordinatedDebt`	$131.15M	USD	Point-in-time
Accrued interest, taxes, and expense	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$339.00M	USD	Point-in-time
Accrued interest, taxes, and expense	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$339.00M	USD	Point-in-time
Accrued interest, taxes, and expense	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$340.29M	USD	Point-in-time
Accrued interest, taxes, and expense	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$340.29M	USD	Point-in-time
Derivative contracts, net	`DerivativeLiabilities`	$587.47M	USD	Point-in-time
Derivative contracts, net	`DerivativeLiabilities`	$587.47M	USD	Point-in-time
Derivative contracts, net	`DerivativeLiabilities`	$402.56M	USD	Point-in-time
Derivative contracts, net	`DerivativeLiabilities`	$402.56M	USD	Point-in-time
Due on unsettled securities purchases	`PayablesToBrokerDealersAndClearingOrganizations`	$254.06M	USD	Point-in-time
Due on unsettled securities purchases	`PayablesToBrokerDealersAndClearingOrganizations`	$254.06M	USD	Point-in-time
Due on unsettled securities purchases	`PayablesToBrokerDealersAndClearingOrganizations`	$377.24M	USD	Point-in-time
Due on unsettled securities purchases	`PayablesToBrokerDealersAndClearingOrganizations`	$377.24M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$514.61M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$514.61M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$523.73M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$523.73M	USD	Point-in-time
Total liabilities	`Liabilities`	$44.47B	USD	Point-in-time
Total liabilities	`Liabilities`	$44.47B	USD	Point-in-time
Total liabilities	`Liabilities`	$44.68B	USD	Point-in-time
Total liabilities	`Liabilities`	$44.68B	USD	Point-in-time
Common stock	`CommonStockValue`	$5.00K	USD	Point-in-time
Common stock	`CommonStockValue`	$5.00K	USD	Point-in-time
Common stock	`CommonStockValue`	$5.00K	USD	Point-in-time
Common stock	`CommonStockValue`	$5.00K	USD	Point-in-time
Capital surplus	`AdditionalPaidInCapitalCommonStock`	$1.41B	USD	Point-in-time
Capital surplus	`AdditionalPaidInCapitalCommonStock`	$1.41B	USD	Point-in-time
Capital surplus	`AdditionalPaidInCapitalCommonStock`	$1.43B	USD	Point-in-time
Capital surplus	`AdditionalPaidInCapitalCommonStock`	$1.43B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.49B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.49B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.21B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.21B	USD	Point-in-time
Treasury stock	`TreasuryStockValue`	$876.72M	USD	Point-in-time
Treasury stock	`TreasuryStockValue`	$876.72M	USD	Point-in-time
Treasury stock	`TreasuryStockValue`	$970.20M	USD	Point-in-time
Treasury stock	`TreasuryStockValue`	$970.20M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-836.96M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-836.96M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-335.29M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-335.29M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-599.10M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-599.10M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-928.99M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-928.99M	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$5.61B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$5.61B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$5.14B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$5.14B	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$2.75M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$2.75M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$2.98M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$2.98M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.82B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.82B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.62B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.62B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.87B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.87B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.15B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.15B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.69B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.69B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.23B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.23B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$50.08B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$50.08B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$49.82B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$49.82B	USD	Point-in-time

Income Statement 368 line items

Line Item	Tag	Value	Unit	Period
Loans	`InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio`	$425.66M	USD	1 Quarter
Loans	`InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio`	$425.66M	USD	1 Quarter
Loans	`InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio`	$1.19B	USD	3 Qtrs
Loans	`InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio`	$1.19B	USD	3 Qtrs
Loans	`InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio`	$453.78M	USD	1 Quarter
Loans	`InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio`	$453.78M	USD	1 Quarter
Loans	`InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio`	$1.34B	USD	3 Qtrs
Loans	`InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio`	$1.34B	USD	3 Qtrs
Residential mortgage loans held for sale	`InterestAndFeeIncomeLoansHeldForSaleMortgages`	$1.50M	USD	1 Quarter
Residential mortgage loans held for sale	`InterestAndFeeIncomeLoansHeldForSaleMortgages`	$1.50M	USD	1 Quarter
Residential mortgage loans held for sale	`InterestAndFeeIncomeLoansHeldForSaleMortgages`	$3.31M	USD	3 Qtrs
Residential mortgage loans held for sale	`InterestAndFeeIncomeLoansHeldForSaleMortgages`	$3.31M	USD	3 Qtrs
Residential mortgage loans held for sale	`InterestAndFeeIncomeLoansHeldForSaleMortgages`	$1.23M	USD	1 Quarter
Residential mortgage loans held for sale	`InterestAndFeeIncomeLoansHeldForSaleMortgages`	$1.23M	USD	1 Quarter
Residential mortgage loans held for sale	`InterestAndFeeIncomeLoansHeldForSaleMortgages`	$3.77M	USD	3 Qtrs
Residential mortgage loans held for sale	`InterestAndFeeIncomeLoansHeldForSaleMortgages`	$3.77M	USD	3 Qtrs
Trading securities	`InterestIncomeDebtSecuritiesTradingOperating`	$65.22M	USD	1 Quarter
Trading securities	`InterestIncomeDebtSecuritiesTradingOperating`	$65.22M	USD	1 Quarter
Trading securities	`InterestIncomeDebtSecuritiesTradingOperating`	$219.46M	USD	3 Qtrs
Trading securities	`InterestIncomeDebtSecuritiesTradingOperating`	$219.46M	USD	3 Qtrs
Trading securities	`InterestIncomeDebtSecuritiesTradingOperating`	$147.05M	USD	3 Qtrs
Trading securities	`InterestIncomeDebtSecuritiesTradingOperating`	$147.05M	USD	3 Qtrs
Trading securities	`InterestIncomeDebtSecuritiesTradingOperating`	$76.42M	USD	1 Quarter
Trading securities	`InterestIncomeDebtSecuritiesTradingOperating`	$76.42M	USD	1 Quarter
Investment securities	`InterestAndDividendIncomeSecuritiesHeldToMaturity`	$25.79M	USD	3 Qtrs
Investment securities	`InterestAndDividendIncomeSecuritiesHeldToMaturity`	$25.79M	USD	3 Qtrs
Investment securities	`InterestAndDividendIncomeSecuritiesHeldToMaturity`	$22.77M	USD	3 Qtrs
Investment securities	`InterestAndDividendIncomeSecuritiesHeldToMaturity`	$22.77M	USD	3 Qtrs
Investment securities	`InterestAndDividendIncomeSecuritiesHeldToMaturity`	$8.28M	USD	1 Quarter
Investment securities	`InterestAndDividendIncomeSecuritiesHeldToMaturity`	$8.28M	USD	1 Quarter
Investment securities	`InterestAndDividendIncomeSecuritiesHeldToMaturity`	$7.38M	USD	1 Quarter
Investment securities	`InterestAndDividendIncomeSecuritiesHeldToMaturity`	$7.38M	USD	1 Quarter
Available-for-sale securities	`InterestIncomeDebtSecuritiesAvailableForSaleOperating`	$99.12M	USD	1 Quarter
Available-for-sale securities	`InterestIncomeDebtSecuritiesAvailableForSaleOperating`	$99.12M	USD	1 Quarter
Available-for-sale securities	`InterestIncomeDebtSecuritiesAvailableForSaleOperating`	$282.45M	USD	3 Qtrs
Available-for-sale securities	`InterestIncomeDebtSecuritiesAvailableForSaleOperating`	$282.45M	USD	3 Qtrs
Available-for-sale securities	`InterestIncomeDebtSecuritiesAvailableForSaleOperating`	$125.49M	USD	1 Quarter
Available-for-sale securities	`InterestIncomeDebtSecuritiesAvailableForSaleOperating`	$125.49M	USD	1 Quarter
Available-for-sale securities	`InterestIncomeDebtSecuritiesAvailableForSaleOperating`	$362.81M	USD	3 Qtrs
Available-for-sale securities	`InterestIncomeDebtSecuritiesAvailableForSaleOperating`	$362.81M	USD	3 Qtrs
Fair value option securities	`InterestRevenueOnFairValueOptionSecurities`	$189.00K	USD	1 Quarter
Fair value option securities	`InterestRevenueOnFairValueOptionSecurities`	$189.00K	USD	1 Quarter
Fair value option securities	`InterestRevenueOnFairValueOptionSecurities`	$552.00K	USD	1 Quarter
Fair value option securities	`InterestRevenueOnFairValueOptionSecurities`	$552.00K	USD	1 Quarter
Fair value option securities	`InterestRevenueOnFairValueOptionSecurities`	$7.56M	USD	3 Qtrs
Fair value option securities	`InterestRevenueOnFairValueOptionSecurities`	$7.56M	USD	3 Qtrs
Fair value option securities	`InterestRevenueOnFairValueOptionSecurities`	$578.00K	USD	3 Qtrs
Fair value option securities	`InterestRevenueOnFairValueOptionSecurities`	$578.00K	USD	3 Qtrs
Restricted equity securities	`InterestAndDividendIncomeSecuritiesOther`	$8.43M	USD	1 Quarter
Restricted equity securities	`InterestAndDividendIncomeSecuritiesOther`	$8.43M	USD	1 Quarter
Restricted equity securities	`InterestAndDividendIncomeSecuritiesOther`	$8.78M	USD	1 Quarter
Restricted equity securities	`InterestAndDividendIncomeSecuritiesOther`	$8.78M	USD	1 Quarter
Restricted equity securities	`InterestAndDividendIncomeSecuritiesOther`	$26.48M	USD	3 Qtrs
Restricted equity securities	`InterestAndDividendIncomeSecuritiesOther`	$26.48M	USD	3 Qtrs
Restricted equity securities	`InterestAndDividendIncomeSecuritiesOther`	$21.01M	USD	3 Qtrs
Restricted equity securities	`InterestAndDividendIncomeSecuritiesOther`	$21.01M	USD	3 Qtrs
Interest-bearing cash and cash equivalents	`InterestIncomeDomesticDeposits`	$21.91M	USD	3 Qtrs
Interest-bearing cash and cash equivalents	`InterestIncomeDomesticDeposits`	$21.91M	USD	3 Qtrs
Interest-bearing cash and cash equivalents	`InterestIncomeDomesticDeposits`	$8.20M	USD	1 Quarter
Interest-bearing cash and cash equivalents	`InterestIncomeDomesticDeposits`	$8.20M	USD	1 Quarter
Interest-bearing cash and cash equivalents	`InterestIncomeDomesticDeposits`	$7.13M	USD	1 Quarter
Interest-bearing cash and cash equivalents	`InterestIncomeDomesticDeposits`	$7.13M	USD	1 Quarter
Interest-bearing cash and cash equivalents	`InterestIncomeDomesticDeposits`	$24.26M	USD	3 Qtrs
Interest-bearing cash and cash equivalents	`InterestIncomeDomesticDeposits`	$24.26M	USD	3 Qtrs
Total interest revenue	`InterestAndDividendIncomeOperating`	$1.70B	USD	3 Qtrs
Total interest revenue	`InterestAndDividendIncomeOperating`	$1.70B	USD	3 Qtrs
Total interest revenue	`InterestAndDividendIncomeOperating`	$680.31M	USD	1 Quarter
Total interest revenue	`InterestAndDividendIncomeOperating`	$680.31M	USD	1 Quarter
Total interest revenue	`InterestAndDividendIncomeOperating`	$617.04M	USD	1 Quarter
Total interest revenue	`InterestAndDividendIncomeOperating`	$617.04M	USD	1 Quarter
Total interest revenue	`InterestAndDividendIncomeOperating`	$2.00B	USD	3 Qtrs
Total interest revenue	`InterestAndDividendIncomeOperating`	$2.00B	USD	3 Qtrs
Deposits	`InterestExpenseDeposits`	$416.75M	USD	3 Qtrs
Deposits	`InterestExpenseDeposits`	$416.75M	USD	3 Qtrs
Deposits	`InterestExpenseDeposits`	$184.81M	USD	1 Quarter
Deposits	`InterestExpenseDeposits`	$184.81M	USD	1 Quarter
Deposits	`InterestExpenseDeposits`	$271.13M	USD	1 Quarter
Deposits	`InterestExpenseDeposits`	$271.13M	USD	1 Quarter
Deposits	`InterestExpenseDeposits`	$768.00M	USD	3 Qtrs
Deposits	`InterestExpenseDeposits`	$768.00M	USD	3 Qtrs
Borrowed funds	`InterestExpenseShortTermBorrowings`	$98.71M	USD	1 Quarter
Borrowed funds	`InterestExpenseShortTermBorrowings`	$98.71M	USD	1 Quarter
Borrowed funds	`InterestExpenseShortTermBorrowings`	$324.65M	USD	3 Qtrs
Borrowed funds	`InterestExpenseShortTermBorrowings`	$324.65M	USD	3 Qtrs
Borrowed funds	`InterestExpenseShortTermBorrowings`	$129.02M	USD	1 Quarter
Borrowed funds	`InterestExpenseShortTermBorrowings`	$129.02M	USD	1 Quarter
Borrowed funds	`InterestExpenseShortTermBorrowings`	$305.28M	USD	3 Qtrs
Borrowed funds	`InterestExpenseShortTermBorrowings`	$305.28M	USD	3 Qtrs
Subordinated debentures	`InterestExpenseSubordinatedNotesAndDebentures`	$6.61M	USD	3 Qtrs
Subordinated debentures	`InterestExpenseSubordinatedNotesAndDebentures`	$6.61M	USD	3 Qtrs
Subordinated debentures	`InterestExpenseSubordinatedNotesAndDebentures`	$2.36M	USD	1 Quarter
Subordinated debentures	`InterestExpenseSubordinatedNotesAndDebentures`	$2.36M	USD	1 Quarter
Subordinated debentures	`InterestExpenseSubordinatedNotesAndDebentures`	$2.32M	USD	1 Quarter
Subordinated debentures	`InterestExpenseSubordinatedNotesAndDebentures`	$2.32M	USD	1 Quarter
Subordinated debentures	`InterestExpenseSubordinatedNotesAndDebentures`	$6.97M	USD	3 Qtrs
Subordinated debentures	`InterestExpenseSubordinatedNotesAndDebentures`	$6.97M	USD	3 Qtrs
Total interest expense	`InterestExpenseOperating`	$316.15M	USD	1 Quarter
Total interest expense	`InterestExpenseOperating`	$316.15M	USD	1 Quarter
Total interest expense	`InterestExpenseOperating`	$1.10B	USD	3 Qtrs
Total interest expense	`InterestExpenseOperating`	$1.10B	USD	3 Qtrs
Total interest expense	`InterestExpenseOperating`	$372.19M	USD	1 Quarter
Total interest expense	`InterestExpenseOperating`	$372.19M	USD	1 Quarter
Total interest expense	`InterestExpenseOperating`	$728.63M	USD	3 Qtrs
Total interest expense	`InterestExpenseOperating`	$728.63M	USD	3 Qtrs
Net interest income	`InterestIncomeExpenseNet`	$897.71M	USD	3 Qtrs
Net interest income	`InterestIncomeExpenseNet`	$897.71M	USD	3 Qtrs
Net interest income	`InterestIncomeExpenseNet`	$975.50M	USD	3 Qtrs
Net interest income	`InterestIncomeExpenseNet`	$975.50M	USD	3 Qtrs
Net interest income	`InterestIncomeExpenseNet`	$300.90M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$300.90M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$308.12M	USD	1 Quarter
Net interest income	`InterestIncomeExpenseNet`	$308.12M	USD	1 Quarter
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$18.00M	USD	3 Qtrs
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$18.00M	USD	3 Qtrs
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$7.00M	USD	1 Quarter
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$7.00M	USD	1 Quarter
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$2.00M	USD	1 Quarter
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$2.00M	USD	1 Quarter
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$40.00M	USD	3 Qtrs
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$40.00M	USD	3 Qtrs
Net interest income after provision for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$306.12M	USD	1 Quarter
Net interest income after provision for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$306.12M	USD	1 Quarter
Net interest income after provision for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$935.50M	USD	3 Qtrs
Net interest income after provision for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$935.50M	USD	3 Qtrs
Net interest income after provision for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$879.71M	USD	3 Qtrs
Net interest income after provision for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$879.71M	USD	3 Qtrs
Net interest income after provision for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$293.90M	USD	1 Quarter
Net interest income after provision for credit losses	`InterestIncomeExpenseAfterProvisionForLoanLoss`	$293.90M	USD	1 Quarter
Total fees and commissions	`TotalFeesAndCommissions`	$202.49M	USD	1 Quarter
Total fees and commissions	`TotalFeesAndCommissions`	$202.49M	USD	1 Quarter
Total fees and commissions	`TotalFeesAndCommissions`	$603.09M	USD	3 Qtrs
Total fees and commissions	`TotalFeesAndCommissions`	$603.09M	USD	3 Qtrs
Total fees and commissions	`TotalFeesAndCommissions`	$584.33M	USD	3 Qtrs
Total fees and commissions	`TotalFeesAndCommissions`	$584.33M	USD	3 Qtrs
Total fees and commissions	`TotalFeesAndCommissions`	$197.85M	USD	1 Quarter
Total fees and commissions	`TotalFeesAndCommissions`	$197.85M	USD	1 Quarter
Other gains, net	`GainLossOnDispositionOfAssets1`	$16.34M	USD	3 Qtrs
Other gains, net	`GainLossOnDispositionOfAssets1`	$16.34M	USD	3 Qtrs
Other gains, net	`GainLossOnDispositionOfAssets1`	$13.09M	USD	1 Quarter
Other gains, net	`GainLossOnDispositionOfAssets1`	$13.09M	USD	1 Quarter
Other gains, net	`GainLossOnDispositionOfAssets1`	$1.47M	USD	1 Quarter
Other gains, net	`GainLossOnDispositionOfAssets1`	$1.47M	USD	1 Quarter
Other gains, net	`GainLossOnDispositionOfAssets1`	$74.73M	USD	3 Qtrs
Other gains, net	`GainLossOnDispositionOfAssets1`	$74.73M	USD	3 Qtrs
Gain (loss) on derivatives, net	`DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet`	$8.99M	USD	1 Quarter
Gain (loss) on derivatives, net	`DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet`	$8.99M	USD	1 Quarter
Gain (loss) on derivatives, net	`DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet`	$-733.00K	USD	3 Qtrs
Gain (loss) on derivatives, net	`DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet`	$-733.00K	USD	3 Qtrs
Gain (loss) on derivatives, net	`DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet`	$-9.01M	USD	1 Quarter
Gain (loss) on derivatives, net	`DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet`	$-9.01M	USD	1 Quarter
Gain (loss) on derivatives, net	`DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet`	$-18.51M	USD	3 Qtrs
Gain (loss) on derivatives, net	`DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet`	$-18.51M	USD	3 Qtrs
Gain (loss) on fair value option securities, net	`GainLossOnFairValueOptionSecuritiesNet`	$-203.00K	USD	1 Quarter
Gain (loss) on fair value option securities, net	`GainLossOnFairValueOptionSecuritiesNet`	$-203.00K	USD	1 Quarter
Gain (loss) on fair value option securities, net	`GainLossOnFairValueOptionSecuritiesNet`	$764.00K	USD	1 Quarter
Gain (loss) on fair value option securities, net	`GainLossOnFairValueOptionSecuritiesNet`	$764.00K	USD	1 Quarter
Gain (loss) on fair value option securities, net	`GainLossOnFairValueOptionSecuritiesNet`	$-5.32M	USD	3 Qtrs
Gain (loss) on fair value option securities, net	`GainLossOnFairValueOptionSecuritiesNet`	$-5.32M	USD	3 Qtrs
Gain (loss) on fair value option securities, net	`GainLossOnFairValueOptionSecuritiesNet`	$365.00K	USD	3 Qtrs
Gain (loss) on fair value option securities, net	`GainLossOnFairValueOptionSecuritiesNet`	$365.00K	USD	3 Qtrs
Change in fair value of mortgage servicing rights	`MortgageServicingRightsMSRImpairmentRecovery`	$16.45M	USD	1 Quarter
Change in fair value of mortgage servicing rights	`MortgageServicingRightsMSRImpairmentRecovery`	$16.45M	USD	1 Quarter
Change in fair value of mortgage servicing rights	`MortgageServicingRightsMSRImpairmentRecovery`	$-8.04M	USD	1 Quarter
Change in fair value of mortgage servicing rights	`MortgageServicingRightsMSRImpairmentRecovery`	$-8.04M	USD	1 Quarter
Change in fair value of mortgage servicing rights	`MortgageServicingRightsMSRImpairmentRecovery`	$-11.24M	USD	3 Qtrs
Change in fair value of mortgage servicing rights	`MortgageServicingRightsMSRImpairmentRecovery`	$-11.24M	USD	3 Qtrs
Change in fair value of mortgage servicing rights	`MortgageServicingRightsMSRImpairmentRecovery`	$2.02M	USD	3 Qtrs
Change in fair value of mortgage servicing rights	`MortgageServicingRightsMSRImpairmentRecovery`	$2.02M	USD	3 Qtrs
Loss on available-for-sale securities, net	`DebtSecuritiesRealizedGainLoss`	$-45.83M	USD	3 Qtrs
Loss on available-for-sale securities, net	`DebtSecuritiesRealizedGainLoss`	$-45.83M	USD	3 Qtrs
Loss on available-for-sale securities, net	`DebtSecuritiesRealizedGainLoss`	$-3.01M	USD	3 Qtrs
Loss on available-for-sale securities, net	`DebtSecuritiesRealizedGainLoss`	$-3.01M	USD	3 Qtrs
Loss on available-for-sale securities, net	`DebtSecuritiesRealizedGainLoss`	$-691.00K	USD	1 Quarter
Loss on available-for-sale securities, net	`DebtSecuritiesRealizedGainLoss`	$-691.00K	USD	1 Quarter
Loss on available-for-sale securities, net	`DebtSecuritiesRealizedGainLoss`	-	USD	1 Quarter
Loss on available-for-sale securities, net	`DebtSecuritiesRealizedGainLoss`	-	USD	1 Quarter
Total other operating revenue	`NoninterestIncome`	$585.07M	USD	3 Qtrs
Total other operating revenue	`NoninterestIncome`	$585.07M	USD	3 Qtrs
Total other operating revenue	`NoninterestIncome`	$629.60M	USD	3 Qtrs
Total other operating revenue	`NoninterestIncome`	$629.60M	USD	3 Qtrs
Total other operating revenue	`NoninterestIncome`	$198.15M	USD	1 Quarter
Total other operating revenue	`NoninterestIncome`	$198.15M	USD	1 Quarter
Total other operating revenue	`NoninterestIncome`	$208.19M	USD	1 Quarter
Total other operating revenue	`NoninterestIncome`	$208.19M	USD	1 Quarter
Personnel	`LaborAndRelatedExpense`	$563.59M	USD	3 Qtrs
Personnel	`LaborAndRelatedExpense`	$563.59M	USD	3 Qtrs
Personnel	`LaborAndRelatedExpense`	$600.56M	USD	3 Qtrs
Personnel	`LaborAndRelatedExpense`	$600.56M	USD	3 Qtrs
Personnel	`LaborAndRelatedExpense`	$206.82M	USD	1 Quarter
Personnel	`LaborAndRelatedExpense`	$206.82M	USD	1 Quarter
Personnel	`LaborAndRelatedExpense`	$190.79M	USD	1 Quarter
Personnel	`LaborAndRelatedExpense`	$190.79M	USD	1 Quarter
Business promotion	`MarketingAndAdvertisingExpense`	$6.96M	USD	1 Quarter
Business promotion	`MarketingAndAdvertisingExpense`	$6.96M	USD	1 Quarter
Business promotion	`MarketingAndAdvertisingExpense`	$23.17M	USD	3 Qtrs
Business promotion	`MarketingAndAdvertisingExpense`	$23.17M	USD	3 Qtrs
Business promotion	`MarketingAndAdvertisingExpense`	$7.68M	USD	1 Quarter
Business promotion	`MarketingAndAdvertisingExpense`	$7.68M	USD	1 Quarter
Business promotion	`MarketingAndAdvertisingExpense`	$23.91M	USD	3 Qtrs
Business promotion	`MarketingAndAdvertisingExpense`	$23.91M	USD	3 Qtrs
Charitable contributions to BOKF Foundation	`ContributionsToBOKFFoundation`	$23.00K	USD	1 Quarter
Charitable contributions to BOKF Foundation	`ContributionsToBOKFFoundation`	$23.00K	USD	1 Quarter
Charitable contributions to BOKF Foundation	`ContributionsToBOKFFoundation`	$1.17M	USD	3 Qtrs
Charitable contributions to BOKF Foundation	`ContributionsToBOKFFoundation`	$1.17M	USD	3 Qtrs
Charitable contributions to BOKF Foundation	`ContributionsToBOKFFoundation`	$13.61M	USD	3 Qtrs
Charitable contributions to BOKF Foundation	`ContributionsToBOKFFoundation`	$13.61M	USD	3 Qtrs
Charitable contributions to BOKF Foundation	`ContributionsToBOKFFoundation`	-	USD	1 Quarter
Charitable contributions to BOKF Foundation	`ContributionsToBOKFFoundation`	-	USD	1 Quarter
Professional fees and services	`ProfessionalFees`	$39.05M	USD	3 Qtrs
Professional fees and services	`ProfessionalFees`	$39.05M	USD	3 Qtrs
Professional fees and services	`ProfessionalFees`	$13.22M	USD	1 Quarter
Professional fees and services	`ProfessionalFees`	$13.22M	USD	1 Quarter
Professional fees and services	`ProfessionalFees`	$38.75M	USD	3 Qtrs
Professional fees and services	`ProfessionalFees`	$38.75M	USD	3 Qtrs
Professional fees and services	`ProfessionalFees`	$13.40M	USD	1 Quarter
Professional fees and services	`ProfessionalFees`	$13.40M	USD	1 Quarter
Net occupancy and equipment	`OccupancyNet`	$92.61M	USD	3 Qtrs
Net occupancy and equipment	`OccupancyNet`	$92.61M	USD	3 Qtrs
Net occupancy and equipment	`OccupancyNet`	$32.58M	USD	1 Quarter
Net occupancy and equipment	`OccupancyNet`	$32.58M	USD	1 Quarter
Net occupancy and equipment	`OccupancyNet`	$32.08M	USD	1 Quarter
Net occupancy and equipment	`OccupancyNet`	$32.08M	USD	1 Quarter
Net occupancy and equipment	`OccupancyNet`	$91.15M	USD	3 Qtrs
Net occupancy and equipment	`OccupancyNet`	$91.15M	USD	3 Qtrs
FDIC and other insurance	`FederalDepositInsuranceCorporationPremiumExpense`	$8.00M	USD	1 Quarter
FDIC and other insurance	`FederalDepositInsuranceCorporationPremiumExpense`	$8.00M	USD	1 Quarter
FDIC and other insurance	`FederalDepositInsuranceCorporationPremiumExpense`	$24.24M	USD	3 Qtrs
FDIC and other insurance	`FederalDepositInsuranceCorporationPremiumExpense`	$24.24M	USD	3 Qtrs
FDIC and other insurance	`FederalDepositInsuranceCorporationPremiumExpense`	$8.19M	USD	1 Quarter
FDIC and other insurance	`FederalDepositInsuranceCorporationPremiumExpense`	$8.19M	USD	1 Quarter
FDIC and other insurance	`FederalDepositInsuranceCorporationPremiumExpense`	$22.29M	USD	3 Qtrs
FDIC and other insurance	`FederalDepositInsuranceCorporationPremiumExpense`	$22.29M	USD	3 Qtrs
FDIC special assessment	`FederalDepositInsuranceCorporationFDICSpecialAssessment`	-	USD	3 Qtrs
FDIC special assessment	`FederalDepositInsuranceCorporationFDICSpecialAssessment`	-	USD	3 Qtrs
FDIC special assessment	`FederalDepositInsuranceCorporationFDICSpecialAssessment`	$-1.44M	USD	1 Quarter
FDIC special assessment	`FederalDepositInsuranceCorporationFDICSpecialAssessment`	$-1.44M	USD	1 Quarter
FDIC special assessment	`FederalDepositInsuranceCorporationFDICSpecialAssessment`	-	USD	1 Quarter
FDIC special assessment	`FederalDepositInsuranceCorporationFDICSpecialAssessment`	-	USD	1 Quarter
FDIC special assessment	`FederalDepositInsuranceCorporationFDICSpecialAssessment`	$6.21M	USD	3 Qtrs
FDIC special assessment	`FederalDepositInsuranceCorporationFDICSpecialAssessment`	$6.21M	USD	3 Qtrs
Data processing and communications	`CommunicationsAndInformationTechnology`	$139.25M	USD	3 Qtrs
Data processing and communications	`CommunicationsAndInformationTechnology`	$139.25M	USD	3 Qtrs
Data processing and communications	`CommunicationsAndInformationTechnology`	$47.55M	USD	1 Quarter
Data processing and communications	`CommunicationsAndInformationTechnology`	$47.55M	USD	1 Quarter
Data processing and communications	`CommunicationsAndInformationTechnology`	$135.78M	USD	3 Qtrs
Data processing and communications	`CommunicationsAndInformationTechnology`	$135.78M	USD	3 Qtrs
Data processing and communications	`CommunicationsAndInformationTechnology`	$45.67M	USD	1 Quarter
Data processing and communications	`CommunicationsAndInformationTechnology`	$45.67M	USD	1 Quarter
Printing, postage, and supplies	`SuppliesAndPostageExpense`	$3.59M	USD	1 Quarter
Printing, postage, and supplies	`SuppliesAndPostageExpense`	$3.59M	USD	1 Quarter
Printing, postage, and supplies	`SuppliesAndPostageExpense`	$3.76M	USD	1 Quarter
Printing, postage, and supplies	`SuppliesAndPostageExpense`	$3.76M	USD	1 Quarter
Printing, postage, and supplies	`SuppliesAndPostageExpense`	$11.38M	USD	3 Qtrs
Printing, postage, and supplies	`SuppliesAndPostageExpense`	$11.38M	USD	3 Qtrs
Printing, postage, and supplies	`SuppliesAndPostageExpense`	$11.38M	USD	3 Qtrs
Printing, postage, and supplies	`SuppliesAndPostageExpense`	$11.38M	USD	3 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$8.76M	USD	3 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$8.76M	USD	3 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$3.47M	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$3.47M	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$2.86M	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$2.86M	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$10.34M	USD	3 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$10.34M	USD	3 Qtrs
Mortgage banking costs	`MortgageBankingCosts`	$8.36M	USD	1 Quarter
Mortgage banking costs	`MortgageBankingCosts`	$8.36M	USD	1 Quarter
Mortgage banking costs	`MortgageBankingCosts`	$9.06M	USD	1 Quarter
Mortgage banking costs	`MortgageBankingCosts`	$9.06M	USD	1 Quarter
Mortgage banking costs	`MortgageBankingCosts`	$22.44M	USD	3 Qtrs
Mortgage banking costs	`MortgageBankingCosts`	$22.44M	USD	3 Qtrs
Mortgage banking costs	`MortgageBankingCosts`	$23.95M	USD	3 Qtrs
Mortgage banking costs	`MortgageBankingCosts`	$23.95M	USD	3 Qtrs
Other expense	`OtherNoninterestExpense`	$28.46M	USD	3 Qtrs
Other expense	`OtherNoninterestExpense`	$28.46M	USD	3 Qtrs
Other expense	`OtherNoninterestExpense`	$34.87M	USD	3 Qtrs
Other expense	`OtherNoninterestExpense`	$34.87M	USD	3 Qtrs
Other expense	`OtherNoninterestExpense`	$11.47M	USD	1 Quarter
Other expense	`OtherNoninterestExpense`	$11.47M	USD	1 Quarter
Other expense	`OtherNoninterestExpense`	$11.23M	USD	1 Quarter
Other expense	`OtherNoninterestExpense`	$11.23M	USD	1 Quarter
Total other operating expense	`NoninterestExpense`	$341.02M	USD	1 Quarter
Total other operating expense	`NoninterestExpense`	$341.02M	USD	1 Quarter
Total other operating expense	`NoninterestExpense`	$948.80M	USD	3 Qtrs
Total other operating expense	`NoninterestExpense`	$948.80M	USD	3 Qtrs
Total other operating expense	`NoninterestExpense`	$324.31M	USD	1 Quarter
Total other operating expense	`NoninterestExpense`	$324.31M	USD	1 Quarter
Total other operating expense	`NoninterestExpense`	$1.02B	USD	3 Qtrs
Total other operating expense	`NoninterestExpense`	$1.02B	USD	3 Qtrs
Net income before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$491.21M	USD	3 Qtrs
Net income before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$491.21M	USD	3 Qtrs
Net income before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$571.77M	USD	3 Qtrs
Net income before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$571.77M	USD	3 Qtrs
Net income before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$173.29M	USD	1 Quarter
Net income before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$173.29M	USD	1 Quarter
Net income before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$167.74M	USD	1 Quarter
Net income before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$167.74M	USD	1 Quarter
Federal and state income taxes	`IncomeTaxExpenseBenefit`	$103.81M	USD	3 Qtrs
Federal and state income taxes	`IncomeTaxExpenseBenefit`	$103.81M	USD	3 Qtrs
Federal and state income taxes	`IncomeTaxExpenseBenefit`	$123.16M	USD	3 Qtrs
Federal and state income taxes	`IncomeTaxExpenseBenefit`	$123.16M	USD	3 Qtrs
Federal and state income taxes	`IncomeTaxExpenseBenefit`	$33.26M	USD	1 Quarter
Federal and state income taxes	`IncomeTaxExpenseBenefit`	$33.26M	USD	1 Quarter
Federal and state income taxes	`IncomeTaxExpenseBenefit`	$33.31M	USD	1 Quarter
Federal and state income taxes	`IncomeTaxExpenseBenefit`	$33.31M	USD	1 Quarter
Net income	`ProfitLoss`	$387.40M	USD	3 Qtrs
Net income	`ProfitLoss`	$387.40M	USD	3 Qtrs
Net income	`ProfitLoss`	$134.48M	USD	1 Quarter
Net income	`ProfitLoss`	$134.48M	USD	1 Quarter
Net income	`ProfitLoss`	$448.61M	USD	3 Qtrs
Net income	`ProfitLoss`	$448.61M	USD	3 Qtrs
Net income	`ProfitLoss`	$139.97M	USD	1 Quarter
Net income	`ProfitLoss`	$139.97M	USD	1 Quarter
Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$440.00K	USD	3 Qtrs
Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$440.00K	USD	3 Qtrs
Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-16.00K	USD	3 Qtrs
Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-16.00K	USD	3 Qtrs
Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-16.00K	USD	1 Quarter
Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-16.00K	USD	1 Quarter
Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-26.00K	USD	1 Quarter
Net income attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-26.00K	USD	1 Quarter
Net income attributable to BOK Financial Corporation shareholders	`NetIncomeLoss`	$140.00M	USD	1 Quarter
Net income attributable to BOK Financial Corporation shareholders	`NetIncomeLoss`	$140.00M	USD	1 Quarter
Net income attributable to BOK Financial Corporation shareholders	`NetIncomeLoss`	$448.17M	USD	3 Qtrs
Net income attributable to BOK Financial Corporation shareholders	`NetIncomeLoss`	$448.17M	USD	3 Qtrs
Net income attributable to BOK Financial Corporation shareholders	`NetIncomeLoss`	$134.50M	USD	1 Quarter
Net income attributable to BOK Financial Corporation shareholders	`NetIncomeLoss`	$134.50M	USD	1 Quarter
Net income attributable to BOK Financial Corporation shareholders	`NetIncomeLoss`	$387.42M	USD	3 Qtrs
Net income attributable to BOK Financial Corporation shareholders	`NetIncomeLoss`	$387.42M	USD	3 Qtrs
Basic	`EarningsPerShareBasic`	$6.01	USD	3 Qtrs
Basic	`EarningsPerShareBasic`	$6.01	USD	3 Qtrs
Basic	`EarningsPerShareBasic`	$2.04	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$2.04	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$6.74	USD	3 Qtrs
Basic	`EarningsPerShareBasic`	$6.74	USD	3 Qtrs
Basic	`EarningsPerShareBasic`	$2.18	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$2.18	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$2.18	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$2.18	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$2.04	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$2.04	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$6.74	USD	3 Qtrs
Diluted	`EarningsPerShareDiluted`	$6.74	USD	3 Qtrs
Diluted	`EarningsPerShareDiluted`	$6.01	USD	3 Qtrs
Diluted	`EarningsPerShareDiluted`	$6.01	USD	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	65.96M	shares	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	65.96M	shares	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	65.55M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	65.55M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	63.83M	shares	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	63.83M	shares	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	63.49M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	63.49M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	65.96M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	65.96M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	65.55M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	65.55M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	63.83M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	63.83M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	63.49M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	63.49M	shares	1 Quarter
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$0.55	USD	1 Quarter
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$0.55	USD	1 Quarter
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$1.62	USD	3 Qtrs
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$1.62	USD	3 Qtrs
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$1.65	USD	3 Qtrs
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$1.65	USD	3 Qtrs
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$0.54	USD	1 Quarter
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$0.54	USD	1 Quarter

Cash Flow Statement 224 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$387.40M	USD	3 Qtrs
Net income	`ProfitLoss`	$387.40M	USD	3 Qtrs
Net income	`ProfitLoss`	$134.48M	USD	1 Quarter
Net income	`ProfitLoss`	$134.48M	USD	1 Quarter
Net income	`ProfitLoss`	$448.61M	USD	3 Qtrs
Net income	`ProfitLoss`	$448.61M	USD	3 Qtrs
Net income	`ProfitLoss`	$139.97M	USD	1 Quarter
Net income	`ProfitLoss`	$139.97M	USD	1 Quarter
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$18.00M	USD	3 Qtrs
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$18.00M	USD	3 Qtrs
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$7.00M	USD	1 Quarter
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$7.00M	USD	1 Quarter
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$2.00M	USD	1 Quarter
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$2.00M	USD	1 Quarter
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$40.00M	USD	3 Qtrs
Provision for credit losses	`ProvisionForLoanLeaseAndOtherLosses`	$40.00M	USD	3 Qtrs
Change in fair value of mortgage servicing rights due to market assumption changes	`MortgageServicingRightsMSRImpairmentRecovery`	$16.45M	USD	1 Quarter
Change in fair value of mortgage servicing rights due to market assumption changes	`MortgageServicingRightsMSRImpairmentRecovery`	$16.45M	USD	1 Quarter
Change in fair value of mortgage servicing rights due to market assumption changes	`MortgageServicingRightsMSRImpairmentRecovery`	$-8.04M	USD	1 Quarter
Change in fair value of mortgage servicing rights due to market assumption changes	`MortgageServicingRightsMSRImpairmentRecovery`	$-8.04M	USD	1 Quarter
Change in fair value of mortgage servicing rights due to market assumption changes	`MortgageServicingRightsMSRImpairmentRecovery`	$-11.24M	USD	3 Qtrs
Change in fair value of mortgage servicing rights due to market assumption changes	`MortgageServicingRightsMSRImpairmentRecovery`	$-11.24M	USD	3 Qtrs
Change in fair value of mortgage servicing rights due to market assumption changes	`MortgageServicingRightsMSRImpairmentRecovery`	$2.02M	USD	3 Qtrs
Change in fair value of mortgage servicing rights due to market assumption changes	`MortgageServicingRightsMSRImpairmentRecovery`	$2.02M	USD	3 Qtrs
Change in the fair value of mortgage servicing rights due to principal payments	`Changeinfairvalueofmortgageservicingrightsduetoloanrunoff`	$21.51M	USD	3 Qtrs
Change in the fair value of mortgage servicing rights due to principal payments	`Changeinfairvalueofmortgageservicingrightsduetoloanrunoff`	$21.51M	USD	3 Qtrs
Change in the fair value of mortgage servicing rights due to principal payments	`Changeinfairvalueofmortgageservicingrightsduetoloanrunoff`	$21.03M	USD	3 Qtrs
Change in the fair value of mortgage servicing rights due to principal payments	`Changeinfairvalueofmortgageservicingrightsduetoloanrunoff`	$21.03M	USD	3 Qtrs
Net unrealized (gains) losses from derivative contracts	`UnrealizedGainLossOnDerivatives`	$123.98M	USD	3 Qtrs
Net unrealized (gains) losses from derivative contracts	`UnrealizedGainLossOnDerivatives`	$123.98M	USD	3 Qtrs
Net unrealized (gains) losses from derivative contracts	`UnrealizedGainLossOnDerivatives`	$55.13M	USD	3 Qtrs
Net unrealized (gains) losses from derivative contracts	`UnrealizedGainLossOnDerivatives`	$55.13M	USD	3 Qtrs
Share-based compensation	`ShareBasedCompensation`	$18.38M	USD	3 Qtrs
Share-based compensation	`ShareBasedCompensation`	$18.38M	USD	3 Qtrs
Share-based compensation	`ShareBasedCompensation`	$14.27M	USD	3 Qtrs
Share-based compensation	`ShareBasedCompensation`	$14.27M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$81.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$81.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$78.41M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$78.41M	USD	3 Qtrs
Net amortization of discounts and premiums	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$31.63M	USD	3 Qtrs
Net amortization of discounts and premiums	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$31.63M	USD	3 Qtrs
Net amortization of discounts and premiums	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$14.22M	USD	3 Qtrs
Net amortization of discounts and premiums	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$14.22M	USD	3 Qtrs
Net losses (gains) on financial instruments and other losses (gains), net	`RealizedInvestmentGainsLosses`	$29.01M	USD	3 Qtrs
Net losses (gains) on financial instruments and other losses (gains), net	`RealizedInvestmentGainsLosses`	$29.01M	USD	3 Qtrs
Net losses (gains) on financial instruments and other losses (gains), net	`RealizedInvestmentGainsLosses`	$12.70M	USD	3 Qtrs
Net losses (gains) on financial instruments and other losses (gains), net	`RealizedInvestmentGainsLosses`	$12.70M	USD	3 Qtrs
Net loss (gain) on mortgage loans held for sale	`NetLossGainOnMortgageLoansHeldForSale`	$6.51M	USD	3 Qtrs
Net loss (gain) on mortgage loans held for sale	`NetLossGainOnMortgageLoansHeldForSale`	$6.51M	USD	3 Qtrs
Net loss (gain) on mortgage loans held for sale	`NetLossGainOnMortgageLoansHeldForSale`	$-4.31M	USD	3 Qtrs
Net loss (gain) on mortgage loans held for sale	`NetLossGainOnMortgageLoansHeldForSale`	$-4.31M	USD	3 Qtrs
Mortgage loans originated for sale	`PaymentsForOriginationOfMortgageLoansHeldForSale`	$603.96M	USD	3 Qtrs
Mortgage loans originated for sale	`PaymentsForOriginationOfMortgageLoansHeldForSale`	$603.96M	USD	3 Qtrs
Mortgage loans originated for sale	`PaymentsForOriginationOfMortgageLoansHeldForSale`	$527.14M	USD	3 Qtrs
Mortgage loans originated for sale	`PaymentsForOriginationOfMortgageLoansHeldForSale`	$527.14M	USD	3 Qtrs
Proceeds from sale of mortgage loans held for sale	`ProceedsFromSaleOfMortgageLoansHeldForSale`	$572.86M	USD	3 Qtrs
Proceeds from sale of mortgage loans held for sale	`ProceedsFromSaleOfMortgageLoansHeldForSale`	$572.86M	USD	3 Qtrs
Proceeds from sale of mortgage loans held for sale	`ProceedsFromSaleOfMortgageLoansHeldForSale`	$527.12M	USD	3 Qtrs
Proceeds from sale of mortgage loans held for sale	`ProceedsFromSaleOfMortgageLoansHeldForSale`	$527.12M	USD	3 Qtrs
Capitalized mortgage servicing rights	`Capitalizedmortgageservicingrights`	$10.81M	USD	3 Qtrs
Capitalized mortgage servicing rights	`Capitalizedmortgageservicingrights`	$10.81M	USD	3 Qtrs
Capitalized mortgage servicing rights	`Capitalizedmortgageservicingrights`	$9.76M	USD	3 Qtrs
Capitalized mortgage servicing rights	`Capitalizedmortgageservicingrights`	$9.76M	USD	3 Qtrs
Charitable contributions to BOKF Foundation	`NonCashContributionsToBOKFFoundation`	-	USD	3 Qtrs
Charitable contributions to BOKF Foundation	`NonCashContributionsToBOKFFoundation`	-	USD	3 Qtrs
Charitable contributions to BOKF Foundation	`NonCashContributionsToBOKFFoundation`	$13.61M	USD	3 Qtrs
Charitable contributions to BOKF Foundation	`NonCashContributionsToBOKFFoundation`	$13.61M	USD	3 Qtrs
Change in trading and fair value option securities	`IncreaseDecreaseInTradingSecurities`	$7.48M	USD	3 Qtrs
Change in trading and fair value option securities	`IncreaseDecreaseInTradingSecurities`	$7.48M	USD	3 Qtrs
Change in trading and fair value option securities	`IncreaseDecreaseInTradingSecurities`	$-55.27M	USD	3 Qtrs
Change in trading and fair value option securities	`IncreaseDecreaseInTradingSecurities`	$-55.27M	USD	3 Qtrs
Change in receivables	`IncreaseDecreaseInReceivables`	$-14.08M	USD	3 Qtrs
Change in receivables	`IncreaseDecreaseInReceivables`	$-14.08M	USD	3 Qtrs
Change in receivables	`IncreaseDecreaseInReceivables`	$-219.58M	USD	3 Qtrs
Change in receivables	`IncreaseDecreaseInReceivables`	$-219.58M	USD	3 Qtrs
Change in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-74.11M	USD	3 Qtrs
Change in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-74.11M	USD	3 Qtrs
Change in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-97.07M	USD	3 Qtrs
Change in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-97.07M	USD	3 Qtrs
Change in other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$211.24M	USD	3 Qtrs
Change in other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$211.24M	USD	3 Qtrs
Change in other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-58.93M	USD	3 Qtrs
Change in other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-58.93M	USD	3 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$889.45M	USD	3 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$889.45M	USD	3 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$527.94M	USD	3 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$527.94M	USD	3 Qtrs
Proceeds from maturities or redemptions of investment securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities`	$214.87M	USD	3 Qtrs
Proceeds from maturities or redemptions of investment securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities`	$214.87M	USD	3 Qtrs
Proceeds from maturities or redemptions of investment securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities`	$172.09M	USD	3 Qtrs
Proceeds from maturities or redemptions of investment securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities`	$172.09M	USD	3 Qtrs
Proceeds from maturities or redemptions of available-for-sale securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$1.53B	USD	3 Qtrs
Proceeds from maturities or redemptions of available-for-sale securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$1.53B	USD	3 Qtrs
Proceeds from maturities or redemptions of available-for-sale securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$1.13B	USD	3 Qtrs
Proceeds from maturities or redemptions of available-for-sale securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$1.13B	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireHeldToMaturitySecurities`	-	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireHeldToMaturitySecurities`	-	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireHeldToMaturitySecurities`	$2.50M	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireHeldToMaturitySecurities`	$2.50M	USD	3 Qtrs
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$2.81B	USD	3 Qtrs
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$2.81B	USD	3 Qtrs
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$1.84B	USD	3 Qtrs
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$1.84B	USD	3 Qtrs
Proceeds from sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	-	USD	1 Quarter
Proceeds from sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	-	USD	1 Quarter
Proceeds from sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$135.49M	USD	3 Qtrs
Proceeds from sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$135.49M	USD	3 Qtrs
Proceeds from sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$101.52M	USD	1 Quarter
Proceeds from sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$101.52M	USD	1 Quarter
Proceeds from sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$839.35M	USD	3 Qtrs
Proceeds from sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$839.35M	USD	3 Qtrs
Change in amount receivable on unsettled available-for-sale securities transactions	`ChangeInAmountReceivableOnUnsettledSecurityTransactions`	$7.47M	USD	3 Qtrs
Change in amount receivable on unsettled available-for-sale securities transactions	`ChangeInAmountReceivableOnUnsettledSecurityTransactions`	$7.47M	USD	3 Qtrs
Change in amount receivable on unsettled available-for-sale securities transactions	`ChangeInAmountReceivableOnUnsettledSecurityTransactions`	$91.13M	USD	3 Qtrs
Change in amount receivable on unsettled available-for-sale securities transactions	`ChangeInAmountReceivableOnUnsettledSecurityTransactions`	$91.13M	USD	3 Qtrs
Loans originated, net of principal collected	`PaymentsForProceedsFromLoansAndLeases`	$79.04M	USD	3 Qtrs
Loans originated, net of principal collected	`PaymentsForProceedsFromLoansAndLeases`	$79.04M	USD	3 Qtrs
Loans originated, net of principal collected	`PaymentsForProceedsFromLoansAndLeases`	$1.17B	USD	3 Qtrs
Loans originated, net of principal collected	`PaymentsForProceedsFromLoansAndLeases`	$1.17B	USD	3 Qtrs
Net proceeds from derivative asset contracts	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$13.87M	USD	3 Qtrs
Net proceeds from derivative asset contracts	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$13.87M	USD	3 Qtrs
Net proceeds from derivative asset contracts	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$-143.54M	USD	3 Qtrs
Net proceeds from derivative asset contracts	`PaymentsForProceedsFromDerivativeInstrumentInvestingActivities`	$-143.54M	USD	3 Qtrs
Net change in restricted equity securities	`ProceedsFromSaleOfRestrictedInvestments`	$33.76M	USD	3 Qtrs
Net change in restricted equity securities	`ProceedsFromSaleOfRestrictedInvestments`	$33.76M	USD	3 Qtrs
Net change in restricted equity securities	`PaymentsToAcquireRestrictedInvestments`	$135.46M	USD	3 Qtrs
Net change in restricted equity securities	`PaymentsToAcquireRestrictedInvestments`	$135.46M	USD	3 Qtrs
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$36.99M	USD	3 Qtrs
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$36.99M	USD	3 Qtrs
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$18.03M	USD	3 Qtrs
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$18.03M	USD	3 Qtrs
Purchases of assets	`PaymentsToAcquireProductiveAssets`	$128.90M	USD	3 Qtrs
Purchases of assets	`PaymentsToAcquireProductiveAssets`	$128.90M	USD	3 Qtrs
Purchases of assets	`PaymentsToAcquireProductiveAssets`	$124.45M	USD	3 Qtrs
Purchases of assets	`PaymentsToAcquireProductiveAssets`	$124.45M	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.61B	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.61B	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-338.39M	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-338.39M	USD	3 Qtrs
Net change in demand deposits, transaction deposits and savings accounts	`NetChangeInDemandDepositsTransactionDepositsAndSavingsAccounts`	$2.38B	USD	3 Qtrs
Net change in demand deposits, transaction deposits and savings accounts	`NetChangeInDemandDepositsTransactionDepositsAndSavingsAccounts`	$2.38B	USD	3 Qtrs
Net change in demand deposits, transaction deposits and savings accounts	`NetChangeInDemandDepositsTransactionDepositsAndSavingsAccounts`	$-2.29B	USD	3 Qtrs
Net change in demand deposits, transaction deposits and savings accounts	`NetChangeInDemandDepositsTransactionDepositsAndSavingsAccounts`	$-2.29B	USD	3 Qtrs
Net change in time deposits	`IncreaseDecreaseInTimeDeposits`	$825.93M	USD	3 Qtrs
Net change in time deposits	`IncreaseDecreaseInTimeDeposits`	$825.93M	USD	3 Qtrs
Net change in time deposits	`IncreaseDecreaseInTimeDeposits`	$1.47B	USD	3 Qtrs
Net change in time deposits	`IncreaseDecreaseInTimeDeposits`	$1.47B	USD	3 Qtrs
Net change in other borrowed funds	`ProceedsFromRepaymentsOfOtherDebt`	$1.91B	USD	3 Qtrs
Net change in other borrowed funds	`ProceedsFromRepaymentsOfOtherDebt`	$1.91B	USD	3 Qtrs
Net change in other borrowed funds	`ProceedsFromRepaymentsOfOtherDebt`	$-3.36B	USD	3 Qtrs
Net change in other borrowed funds	`ProceedsFromRepaymentsOfOtherDebt`	$-3.36B	USD	3 Qtrs
Net payments on derivative liability contracts	`PaymentsForProceedsFromDerivativeInstrumentFinancingActivities`	$-14.29M	USD	3 Qtrs
Net payments on derivative liability contracts	`PaymentsForProceedsFromDerivativeInstrumentFinancingActivities`	$-14.29M	USD	3 Qtrs
Net payments on derivative liability contracts	`PaymentsForProceedsFromDerivativeInstrumentFinancingActivities`	$153.69M	USD	3 Qtrs
Net payments on derivative liability contracts	`PaymentsForProceedsFromDerivativeInstrumentFinancingActivities`	$153.69M	USD	3 Qtrs
Net change in derivative margin accounts	`NetChangeInDerivativeMarginAccounts`	$37.06M	USD	3 Qtrs
Net change in derivative margin accounts	`NetChangeInDerivativeMarginAccounts`	$37.06M	USD	3 Qtrs
Net change in derivative margin accounts	`NetChangeInDerivativeMarginAccounts`	$312.40M	USD	3 Qtrs
Net change in derivative margin accounts	`NetChangeInDerivativeMarginAccounts`	$312.40M	USD	3 Qtrs
Change in amount due on unsettled available-for-sale securities transactions	`ProceedsFromPaymentsForOtherFinancingActivities`	$-119.33M	USD	3 Qtrs
Change in amount due on unsettled available-for-sale securities transactions	`ProceedsFromPaymentsForOtherFinancingActivities`	$-119.33M	USD	3 Qtrs
Change in amount due on unsettled available-for-sale securities transactions	`ProceedsFromPaymentsForOtherFinancingActivities`	$53.22M	USD	3 Qtrs
Change in amount due on unsettled available-for-sale securities transactions	`ProceedsFromPaymentsForOtherFinancingActivities`	$53.22M	USD	3 Qtrs
Issuance of common and treasury stock, net	`ProceedsFromIssuanceOfCommonStock`	$-3.70M	USD	3 Qtrs
Issuance of common and treasury stock, net	`ProceedsFromIssuanceOfCommonStock`	$-3.70M	USD	3 Qtrs
Issuance of common and treasury stock, net	`ProceedsFromIssuanceOfCommonStock`	$-4.70M	USD	3 Qtrs
Issuance of common and treasury stock, net	`ProceedsFromIssuanceOfCommonStock`	$-4.70M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$126.61M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$126.61M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$89.78M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$89.78M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$107.74M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$107.74M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$106.12M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$106.12M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.05B	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.05B	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-423.28M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-423.28M	USD	3 Qtrs
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-26.78M	USD	3 Qtrs
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-26.78M	USD	3 Qtrs
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$127.78M	USD	3 Qtrs
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$127.78M	USD	3 Qtrs
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.35B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.35B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.48B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.48B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.40B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.40B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.37B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.37B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.35B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.35B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.48B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.48B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.40B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.40B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.37B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.37B	USD	Point-in-time
Cash paid for interest	`InterestPaidNet`	$706.01M	USD	3 Qtrs
Cash paid for interest	`InterestPaidNet`	$706.01M	USD	3 Qtrs
Cash paid for interest	`InterestPaidNet`	$1.10B	USD	3 Qtrs
Cash paid for interest	`InterestPaidNet`	$1.10B	USD	3 Qtrs
Cash paid for taxes	`IncomeTaxesPaidNet`	$156.09M	USD	3 Qtrs
Cash paid for taxes	`IncomeTaxesPaidNet`	$156.09M	USD	3 Qtrs
Cash paid for taxes	`IncomeTaxesPaidNet`	$67.80M	USD	3 Qtrs
Cash paid for taxes	`IncomeTaxesPaidNet`	$67.80M	USD	3 Qtrs
Net loans and bank premises transferred to repossessed real estate and other assets	`TransferToOtherRealEstate`	$440.00K	USD	3 Qtrs
Net loans and bank premises transferred to repossessed real estate and other assets	`TransferToOtherRealEstate`	$440.00K	USD	3 Qtrs
Net loans and bank premises transferred to repossessed real estate and other assets	`TransferToOtherRealEstate`	$367.00K	USD	3 Qtrs
Net loans and bank premises transferred to repossessed real estate and other assets	`TransferToOtherRealEstate`	$367.00K	USD	3 Qtrs
Residential mortgage loans guaranteed by U.S. government agencies that became eligible for repurchase during the period	`IncreaseInUSGovernmentGuaranteedLoansEligibleForRepurchase`	$10.68M	USD	3 Qtrs
Residential mortgage loans guaranteed by U.S. government agencies that became eligible for repurchase during the period	`IncreaseInUSGovernmentGuaranteedLoansEligibleForRepurchase`	$10.68M	USD	3 Qtrs
Residential mortgage loans guaranteed by U.S. government agencies that became eligible for repurchase during the period	`IncreaseInUSGovernmentGuaranteedLoansEligibleForRepurchase`	$12.60M	USD	3 Qtrs
Residential mortgage loans guaranteed by U.S. government agencies that became eligible for repurchase during the period	`IncreaseInUSGovernmentGuaranteedLoansEligibleForRepurchase`	$12.60M	USD	3 Qtrs
Conveyance of other real estate owned guaranteed by U.S. government agencies	`ConveyanceOfOtherRealEstateOwnedGuaranteedByUsGovt`	$4.01M	USD	3 Qtrs
Conveyance of other real estate owned guaranteed by U.S. government agencies	`ConveyanceOfOtherRealEstateOwnedGuaranteedByUsGovt`	$4.01M	USD	3 Qtrs
Conveyance of other real estate owned guaranteed by U.S. government agencies	`ConveyanceOfOtherRealEstateOwnedGuaranteedByUsGovt`	$2.91M	USD	3 Qtrs
Conveyance of other real estate owned guaranteed by U.S. government agencies	`ConveyanceOfOtherRealEstateOwnedGuaranteedByUsGovt`	$2.91M	USD	3 Qtrs
Right-of-use assets obtained in exchange for operating lease liabilities	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$20.10M	USD	3 Qtrs
Right-of-use assets obtained in exchange for operating lease liabilities	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$20.10M	USD	3 Qtrs
Right-of-use assets obtained in exchange for operating lease liabilities	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$65.24M	USD	3 Qtrs
Right-of-use assets obtained in exchange for operating lease liabilities	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$65.24M	USD	3 Qtrs

Stockholders Equity 80 line items

Line Item	Tag	Value	Unit	Period
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.82B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.82B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.62B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.62B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.87B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.87B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.15B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.15B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.69B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.69B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.23B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.23B	USD	Point-in-time
Net income	`ProfitLoss`	$387.40M	USD	3 Qtrs
Net income	`ProfitLoss`	$387.40M	USD	3 Qtrs
Net income	`ProfitLoss`	$134.48M	USD	1 Quarter
Net income	`ProfitLoss`	$134.48M	USD	1 Quarter
Net income	`ProfitLoss`	$448.61M	USD	3 Qtrs
Net income	`ProfitLoss`	$448.61M	USD	3 Qtrs
Net income	`ProfitLoss`	$139.97M	USD	1 Quarter
Net income	`ProfitLoss`	$139.97M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-92.31M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-92.31M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-92.03M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-92.03M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$270.21M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$270.21M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$263.81M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$263.81M	USD	3 Qtrs
Repurchase of common stock	`TreasuryStockValueAcquiredParValueMethod`	$126.61M	USD	3 Qtrs
Repurchase of common stock	`TreasuryStockValueAcquiredParValueMethod`	$126.61M	USD	3 Qtrs
Repurchase of common stock	`TreasuryStockValueAcquiredParValueMethod`	$59.55M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredParValueMethod`	$59.55M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredParValueMethod`	$89.78M	USD	3 Qtrs
Repurchase of common stock	`TreasuryStockValueAcquiredParValueMethod`	$89.78M	USD	3 Qtrs
Repurchase of common stock	`TreasuryStockValueAcquiredParValueMethod`	-	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredParValueMethod`	-	USD	1 Quarter
Vesting of non-vested shares	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$4.70M	USD	3 Qtrs
Vesting of non-vested shares	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$4.70M	USD	3 Qtrs
Vesting of non-vested shares	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$70.00K	USD	1 Quarter
Vesting of non-vested shares	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$70.00K	USD	1 Quarter
Vesting of non-vested shares	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	-	USD	1 Quarter
Vesting of non-vested shares	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	-	USD	1 Quarter
Vesting of non-vested shares	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.70M	USD	3 Qtrs
Vesting of non-vested shares	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.70M	USD	3 Qtrs
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.16M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.16M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$14.27M	USD	3 Qtrs
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$14.27M	USD	3 Qtrs
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$18.38M	USD	3 Qtrs
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$18.38M	USD	3 Qtrs
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$8.32M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$8.32M	USD	1 Quarter
Cash dividends on common stock	`DividendsCommonStockCash`	$107.74M	USD	3 Qtrs
Cash dividends on common stock	`DividendsCommonStockCash`	$107.74M	USD	3 Qtrs
Cash dividends on common stock	`DividendsCommonStockCash`	$35.15M	USD	1 Quarter
Cash dividends on common stock	`DividendsCommonStockCash`	$35.15M	USD	1 Quarter
Cash dividends on common stock	`DividendsCommonStockCash`	$106.12M	USD	3 Qtrs
Cash dividends on common stock	`DividendsCommonStockCash`	$106.12M	USD	3 Qtrs
Cash dividends on common stock	`DividendsCommonStockCash`	$35.63M	USD	1 Quarter
Cash dividends on common stock	`DividendsCommonStockCash`	$35.63M	USD	1 Quarter
Capital calls and distributions, net	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$338.00K	USD	1 Quarter
Capital calls and distributions, net	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$338.00K	USD	1 Quarter
Capital calls and distributions, net	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$206.00K	USD	3 Qtrs
Capital calls and distributions, net	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$206.00K	USD	3 Qtrs
Capital calls and distributions, net	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$59.00K	USD	1 Quarter
Capital calls and distributions, net	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$59.00K	USD	1 Quarter
Capital calls and distributions, net	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$1.96M	USD	3 Qtrs
Capital calls and distributions, net	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$1.96M	USD	3 Qtrs
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.82B	USD	Point-in-time
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.82B	USD	Point-in-time
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.62B	USD	Point-in-time
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.62B	USD	Point-in-time
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.87B	USD	Point-in-time
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.87B	USD	Point-in-time
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.15B	USD	Point-in-time
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.15B	USD	Point-in-time
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.69B	USD	Point-in-time
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.69B	USD	Point-in-time
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.23B	USD	Point-in-time
Balance, end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.23B	USD	Point-in-time

Comprehensive Income 80 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$387.40M	USD	3 Qtrs
Net income	`ProfitLoss`	$387.40M	USD	3 Qtrs
Net income	`ProfitLoss`	$134.48M	USD	1 Quarter
Net income	`ProfitLoss`	$134.48M	USD	1 Quarter
Net income	`ProfitLoss`	$448.61M	USD	3 Qtrs
Net income	`ProfitLoss`	$448.61M	USD	3 Qtrs
Net income	`ProfitLoss`	$139.97M	USD	1 Quarter
Net income	`ProfitLoss`	$139.97M	USD	1 Quarter
Net change in unrealized gain (loss)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-171.98M	USD	3 Qtrs
Net change in unrealized gain (loss)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-171.98M	USD	3 Qtrs
Net change in unrealized gain (loss)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$263.44M	USD	3 Qtrs
Net change in unrealized gain (loss)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$263.44M	USD	3 Qtrs
Net change in unrealized gain (loss)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$341.19M	USD	1 Quarter
Net change in unrealized gain (loss)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$341.19M	USD	1 Quarter
Net change in unrealized gain (loss)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-135.61M	USD	1 Quarter
Net change in unrealized gain (loss)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-135.61M	USD	1 Quarter
Interest revenue, Investment securities	`OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax`	$-35.64M	USD	3 Qtrs
Interest revenue, Investment securities	`OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax`	$-35.64M	USD	3 Qtrs
Interest revenue, Investment securities	`OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax`	$-47.00M	USD	3 Qtrs
Interest revenue, Investment securities	`OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax`	$-47.00M	USD	3 Qtrs
Interest revenue, Investment securities	`OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax`	$-11.43M	USD	1 Quarter
Interest revenue, Investment securities	`OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax`	$-11.43M	USD	1 Quarter
Interest revenue, Investment securities	`OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax`	$-14.91M	USD	1 Quarter
Interest revenue, Investment securities	`OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax`	$-14.91M	USD	1 Quarter
Loss on available-for-sale securities, net	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-691.00K	USD	1 Quarter
Loss on available-for-sale securities, net	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-691.00K	USD	1 Quarter
Loss on available-for-sale securities, net	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-3.01M	USD	3 Qtrs
Loss on available-for-sale securities, net	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-3.01M	USD	3 Qtrs
Loss on available-for-sale securities, net	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	-	USD	1 Quarter
Loss on available-for-sale securities, net	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	-	USD	1 Quarter
Loss on available-for-sale securities, net	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-45.83M	USD	3 Qtrs
Loss on available-for-sale securities, net	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-45.83M	USD	3 Qtrs
Other comprehensive income (loss) before income taxes	`OtherComprehensiveIncomeLossBeforeTax`	$-120.70M	USD	1 Quarter
Other comprehensive income (loss) before income taxes	`OtherComprehensiveIncomeLossBeforeTax`	$-120.70M	USD	1 Quarter
Other comprehensive income (loss) before income taxes	`OtherComprehensiveIncomeLossBeforeTax`	$353.31M	USD	1 Quarter
Other comprehensive income (loss) before income taxes	`OtherComprehensiveIncomeLossBeforeTax`	$353.31M	USD	1 Quarter
Other comprehensive income (loss) before income taxes	`OtherComprehensiveIncomeLossBeforeTax`	$344.90M	USD	3 Qtrs
Other comprehensive income (loss) before income taxes	`OtherComprehensiveIncomeLossBeforeTax`	$344.90M	USD	3 Qtrs
Other comprehensive income (loss) before income taxes	`OtherComprehensiveIncomeLossBeforeTax`	$-121.97M	USD	3 Qtrs
Other comprehensive income (loss) before income taxes	`OtherComprehensiveIncomeLossBeforeTax`	$-121.97M	USD	3 Qtrs
Federal and state income taxes	`OtherComprehensiveIncomeLossTax`	$-28.39M	USD	1 Quarter
Federal and state income taxes	`OtherComprehensiveIncomeLossTax`	$-28.39M	USD	1 Quarter
Federal and state income taxes	`OtherComprehensiveIncomeLossTax`	$83.09M	USD	1 Quarter
Federal and state income taxes	`OtherComprehensiveIncomeLossTax`	$83.09M	USD	1 Quarter
Federal and state income taxes	`OtherComprehensiveIncomeLossTax`	$-29.94M	USD	3 Qtrs
Federal and state income taxes	`OtherComprehensiveIncomeLossTax`	$-29.94M	USD	3 Qtrs
Federal and state income taxes	`OtherComprehensiveIncomeLossTax`	$81.09M	USD	3 Qtrs
Federal and state income taxes	`OtherComprehensiveIncomeLossTax`	$81.09M	USD	3 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-92.31M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-92.31M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-92.03M	USD	3 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-92.03M	USD	3 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$270.21M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$270.21M	USD	1 Quarter
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$263.81M	USD	3 Qtrs
Other comprehensive income (loss), net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$263.81M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$651.21M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$651.21M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$410.19M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$410.19M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$42.17M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$42.17M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$356.58M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$356.58M	USD	3 Qtrs
Comprehensive income (loss) attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-16.00K	USD	3 Qtrs
Comprehensive income (loss) attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-16.00K	USD	3 Qtrs
Comprehensive income (loss) attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-16.00K	USD	1 Quarter
Comprehensive income (loss) attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-16.00K	USD	1 Quarter
Comprehensive income (loss) attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$440.00K	USD	3 Qtrs
Comprehensive income (loss) attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$440.00K	USD	3 Qtrs
Comprehensive income (loss) attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-26.00K	USD	1 Quarter
Comprehensive income (loss) attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-26.00K	USD	1 Quarter
Comprehensive income attributable to BOK Financial Corporation shareholders	`ComprehensiveIncomeNetOfTax`	$356.14M	USD	3 Qtrs
Comprehensive income attributable to BOK Financial Corporation shareholders	`ComprehensiveIncomeNetOfTax`	$356.14M	USD	3 Qtrs
Comprehensive income attributable to BOK Financial Corporation shareholders	`ComprehensiveIncomeNetOfTax`	$410.21M	USD	1 Quarter
Comprehensive income attributable to BOK Financial Corporation shareholders	`ComprehensiveIncomeNetOfTax`	$410.21M	USD	1 Quarter
Comprehensive income attributable to BOK Financial Corporation shareholders	`ComprehensiveIncomeNetOfTax`	$42.18M	USD	1 Quarter
Comprehensive income attributable to BOK Financial Corporation shareholders	`ComprehensiveIncomeNetOfTax`	$42.18M	USD	1 Quarter
Comprehensive income attributable to BOK Financial Corporation shareholders	`ComprehensiveIncomeNetOfTax`	$651.23M	USD	3 Qtrs
Comprehensive income attributable to BOK Financial Corporation shareholders	`ComprehensiveIncomeNetOfTax`	$651.23M	USD	3 Qtrs

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.