10-Q Filing

NACCO INDUSTRIES INC CIK: 789933 Q2 2024

Filing Information

Form Type	10-Q
Accession Number	`0000789933-24-000046`
Period End Date	20240630
Filing Date	20240731
Fiscal Year	2024
Fiscal Period	Q2
XBRL Instance	nacco-20240630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 140 Income Statement 180 Cash Flow Statement 72 Stockholders Equity 72 Comprehensive Income 44

Balance Sheet 140 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$85.11M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$85.11M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$62.36M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$62.36M	USD	Point-in-time
Cash held by 1031 exchange facilitator	`CashHeldBy1031ExchangeFacilitator`	$6.72M	USD	Point-in-time
Cash held by 1031 exchange facilitator	`CashHeldBy1031ExchangeFacilitator`	$6.72M	USD	Point-in-time
Cash held by 1031 exchange facilitator	`CashHeldBy1031ExchangeFacilitator`	-	USD	Point-in-time
Cash held by 1031 exchange facilitator	`CashHeldBy1031ExchangeFacilitator`	-	USD	Point-in-time
Inventories	`InventoryNet`	$83.40M	USD	Point-in-time
Inventories	`InventoryNet`	$83.40M	USD	Point-in-time
Inventories	`InventoryNet`	$77.00M	USD	Point-in-time
Inventories	`InventoryNet`	$77.00M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroup`	$6.47M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroup`	$6.47M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroup`	$4.74M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroup`	$4.74M	USD	Point-in-time
Prepaid insurance	`PrepaidInsurance`	$1.79M	USD	Point-in-time
Prepaid insurance	`PrepaidInsurance`	$1.79M	USD	Point-in-time
Prepaid insurance	`PrepaidInsurance`	$7.19M	USD	Point-in-time
Prepaid insurance	`PrepaidInsurance`	$7.19M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$16.34M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$16.34M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$23.61M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$23.61M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$232.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$232.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$231.04M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$231.04M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$241.15M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$241.15M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$223.90M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$223.90M	USD	Point-in-time
Intangibles, net	`FiniteLivedIntangibleAssetsNet`	$6.01M	USD	Point-in-time
Intangibles, net	`FiniteLivedIntangibleAssetsNet`	$6.01M	USD	Point-in-time
Intangibles, net	`FiniteLivedIntangibleAssetsNet`	$5.76M	USD	Point-in-time
Intangibles, net	`FiniteLivedIntangibleAssetsNet`	$5.76M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$15.08M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$15.08M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$15.02M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$15.02M	USD	Point-in-time
Investments in unconsolidated subsidiaries	`EquityMethodInvestments`	$15.37M	USD	Point-in-time
Investments in unconsolidated subsidiaries	`EquityMethodInvestments`	$15.37M	USD	Point-in-time
Investments in unconsolidated subsidiaries	`EquityMethodInvestments`	$12.37M	USD	Point-in-time
Investments in unconsolidated subsidiaries	`EquityMethodInvestments`	$12.37M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$8.08M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$8.08M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$8.67M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$8.67M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$43.64M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$43.64M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$41.68M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$41.68M	USD	Point-in-time
Total assets	`Assets`	$539.71M	USD	Point-in-time
Total assets	`Assets`	$539.71M	USD	Point-in-time
Total assets	`Assets`	$560.06M	USD	Point-in-time
Total assets	`Assets`	$560.06M	USD	Point-in-time
Revolving credit agreements	`LinesOfCreditCurrent`	$27.50M	USD	Point-in-time
Revolving credit agreements	`LinesOfCreditCurrent`	$27.50M	USD	Point-in-time
Revolving credit agreements	`LinesOfCreditCurrent`	$10.00M	USD	Point-in-time
Revolving credit agreements	`LinesOfCreditCurrent`	$10.00M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$3.95M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$3.95M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$4.37M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$4.37M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$13.11M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$13.11M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$13.10M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$13.10M	USD	Point-in-time
Accrued payroll	`AccruedSalariesCurrent`	$17.32M	USD	Point-in-time
Accrued payroll	`AccruedSalariesCurrent`	$17.32M	USD	Point-in-time
Accrued payroll	`AccruedSalariesCurrent`	$12.93M	USD	Point-in-time
Accrued payroll	`AccruedSalariesCurrent`	$12.93M	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$878.00K	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$878.00K	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$843.00K	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$843.00K	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$7.12M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$7.12M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$7.47M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$7.47M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$81.83M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$81.83M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$69.99M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$69.99M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$22.00M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$22.00M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$29.03M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$29.03M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$8.78M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$8.78M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$8.04M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$8.04M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$39.50M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$39.50M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$38.78M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$38.78M	USD	Point-in-time
Pension and other postretirement obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$5.18M	USD	Point-in-time
Pension and other postretirement obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$5.18M	USD	Point-in-time
Pension and other postretirement obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$4.90M	USD	Point-in-time
Pension and other postretirement obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$4.90M	USD	Point-in-time
Liability for uncertain tax positions	`LiabilityForUncertainTaxPositionsNoncurrent`	$5.79M	USD	Point-in-time
Liability for uncertain tax positions	`LiabilityForUncertainTaxPositionsNoncurrent`	$5.79M	USD	Point-in-time
Liability for uncertain tax positions	`LiabilityForUncertainTaxPositionsNoncurrent`	$5.79M	USD	Point-in-time
Liability for uncertain tax positions	`LiabilityForUncertainTaxPositionsNoncurrent`	$5.79M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$7.60M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$7.60M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$6.12M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$6.12M	USD	Point-in-time
Total liabilities	`Liabilities`	$157.37M	USD	Point-in-time
Total liabilities	`Liabilities`	$157.37M	USD	Point-in-time
Total liabilities	`Liabilities`	$175.97M	USD	Point-in-time
Total liabilities	`Liabilities`	$175.97M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$30.45M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$30.45M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$28.67M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$28.67M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$355.87M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$355.87M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$355.79M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$355.79M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-9.50M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-9.50M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-9.65M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-9.65M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$381.61M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$381.61M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$382.34M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$382.34M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$433.40M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$433.40M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$384.09M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$384.09M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$431.69M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$431.69M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$426.97M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$426.97M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$560.06M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$560.06M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$539.71M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$539.71M	USD	Point-in-time

Income Statement 180 line items

Line Item	Tag	Value	Unit	Period
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$52.34M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$52.34M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$105.63M	USD	2 Qtrs
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$105.63M	USD	2 Qtrs
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$61.35M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$61.35M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$111.49M	USD	2 Qtrs
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$111.49M	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$54.94M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$54.94M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$45.33M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$45.33M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$101.73M	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$101.73M	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$91.60M	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$91.60M	USD	2 Qtrs
Gross profit	`GrossProfit`	$6.41M	USD	1 Quarter
Gross profit	`GrossProfit`	$6.41M	USD	1 Quarter
Gross profit	`GrossProfit`	$9.76M	USD	2 Qtrs
Gross profit	`GrossProfit`	$9.76M	USD	2 Qtrs
Gross profit	`GrossProfit`	$7.02M	USD	1 Quarter
Gross profit	`GrossProfit`	$7.02M	USD	1 Quarter
Gross profit	`GrossProfit`	$14.04M	USD	2 Qtrs
Gross profit	`GrossProfit`	$14.04M	USD	2 Qtrs
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$26.90M	USD	2 Qtrs
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$26.90M	USD	2 Qtrs
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$11.08M	USD	1 Quarter
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$11.08M	USD	1 Quarter
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$13.59M	USD	1 Quarter
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$13.59M	USD	1 Quarter
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$24.91M	USD	2 Qtrs
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$24.91M	USD	2 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$33.17M	USD	2 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$33.17M	USD	2 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$17.72M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$17.72M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$29.62M	USD	2 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$29.62M	USD	2 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$14.75M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$14.75M	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$1.65M	USD	2 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$1.65M	USD	2 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$927.00K	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$927.00K	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$242.00K	USD	2 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$242.00K	USD	2 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$116.00K	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$116.00K	USD	1 Quarter
(Gain) loss on sale of assets	`GainLossOnDispositionOfAssets`	$168.00K	USD	2 Qtrs
(Gain) loss on sale of assets	`GainLossOnDispositionOfAssets`	$168.00K	USD	2 Qtrs
(Gain) loss on sale of assets	`GainLossOnDispositionOfAssets`	$-68.00K	USD	1 Quarter
(Gain) loss on sale of assets	`GainLossOnDispositionOfAssets`	$-68.00K	USD	1 Quarter
(Gain) loss on sale of assets	`GainLossOnDispositionOfAssets`	$4.59M	USD	1 Quarter
(Gain) loss on sale of assets	`GainLossOnDispositionOfAssets`	$4.59M	USD	1 Quarter
(Gain) loss on sale of assets	`GainLossOnDispositionOfAssets`	$4.60M	USD	2 Qtrs
(Gain) loss on sale of assets	`GainLossOnDispositionOfAssets`	$4.60M	USD	2 Qtrs
Operating expenses	`OperatingExpenses`	$31.11M	USD	2 Qtrs
Operating expenses	`OperatingExpenses`	$31.11M	USD	2 Qtrs
Operating expenses	`OperatingExpenses`	$13.24M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$13.24M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$15.74M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$15.74M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$28.81M	USD	2 Qtrs
Operating expenses	`OperatingExpenses`	$28.81M	USD	2 Qtrs
Operating profit	`OperatingIncomeLoss`	$1.75M	USD	1 Quarter
Operating profit	`OperatingIncomeLoss`	$1.75M	USD	1 Quarter
Operating profit	`OperatingIncomeLoss`	$7.37M	USD	1 Quarter
Operating profit	`OperatingIncomeLoss`	$7.37M	USD	1 Quarter
Operating profit	`OperatingIncomeLoss`	$12.12M	USD	2 Qtrs
Operating profit	`OperatingIncomeLoss`	$12.12M	USD	2 Qtrs
Operating profit	`OperatingIncomeLoss`	$3.56M	USD	2 Qtrs
Operating profit	`OperatingIncomeLoss`	$3.56M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$2.42M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$2.42M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$572.00K	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$572.00K	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$1.12M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$1.12M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$1.31M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$1.31M	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$2.17M	USD	2 Qtrs
Interest income	`InvestmentIncomeNonoperating`	$2.17M	USD	2 Qtrs
Interest income	`InvestmentIncomeNonoperating`	$2.87M	USD	2 Qtrs
Interest income	`InvestmentIncomeNonoperating`	$2.87M	USD	2 Qtrs
Interest income	`InvestmentIncomeNonoperating`	$1.71M	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$1.71M	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$1.04M	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$1.04M	USD	1 Quarter
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$433.00K	USD	1 Quarter
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$433.00K	USD	1 Quarter
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$926.00K	USD	2 Qtrs
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$926.00K	USD	2 Qtrs
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$842.00K	USD	2 Qtrs
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$842.00K	USD	2 Qtrs
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$471.00K	USD	1 Quarter
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$471.00K	USD	1 Quarter
Loss (gain) on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$421.00K	USD	1 Quarter
Loss (gain) on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$421.00K	USD	1 Quarter
Loss (gain) on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$777.00K	USD	2 Qtrs
Loss (gain) on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$777.00K	USD	2 Qtrs
Loss (gain) on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$1.05M	USD	2 Qtrs
Loss (gain) on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$1.05M	USD	2 Qtrs
Loss (gain) on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$-264.00K	USD	1 Quarter
Loss (gain) on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$-264.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$2.10M	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$2.10M	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$377.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$377.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$84.00K	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$84.00K	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$-130.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$-130.00K	USD	1 Quarter
Other (income) expense	`NonoperatingIncomeExpense`	$-1.14M	USD	1 Quarter
Other (income) expense	`NonoperatingIncomeExpense`	$-1.14M	USD	1 Quarter
Other (income) expense	`NonoperatingIncomeExpense`	$4.06M	USD	2 Qtrs
Other (income) expense	`NonoperatingIncomeExpense`	$4.06M	USD	2 Qtrs
Other (income) expense	`NonoperatingIncomeExpense`	$1.51M	USD	1 Quarter
Other (income) expense	`NonoperatingIncomeExpense`	$1.51M	USD	1 Quarter
Other (income) expense	`NonoperatingIncomeExpense`	$-322.00K	USD	2 Qtrs
Other (income) expense	`NonoperatingIncomeExpense`	$-322.00K	USD	2 Qtrs
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$11.80M	USD	2 Qtrs
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$11.80M	USD	2 Qtrs
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$3.26M	USD	1 Quarter
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$3.26M	USD	1 Quarter
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$6.23M	USD	1 Quarter
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$6.23M	USD	1 Quarter
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$7.62M	USD	2 Qtrs
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$7.62M	USD	2 Qtrs
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$737.00K	USD	1 Quarter
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$737.00K	USD	1 Quarter
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$-587.00K	USD	2 Qtrs
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$-587.00K	USD	2 Qtrs
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$1.26M	USD	2 Qtrs
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$1.26M	USD	2 Qtrs
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$256.00K	USD	1 Quarter
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$256.00K	USD	1 Quarter
Net income	`NetIncomeLoss`	$8.21M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$8.21M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$5.69M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.69M	USD	1 Quarter
Net income	`NetIncomeLoss`	$2.52M	USD	1 Quarter
Net income	`NetIncomeLoss`	$2.52M	USD	1 Quarter
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.57M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.57M	USD	1 Quarter
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$1.10	USD	2 Qtrs
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$1.10	USD	2 Qtrs
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$0.34	USD	1 Quarter
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$0.34	USD	1 Quarter
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$1.42	USD	2 Qtrs
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$1.42	USD	2 Qtrs
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$0.81	USD	1 Quarter
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$0.81	USD	1 Quarter
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$0.34	USD	1 Quarter
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$0.34	USD	1 Quarter
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$0.81	USD	1 Quarter
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$0.81	USD	1 Quarter
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$1.09	USD	2 Qtrs
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$1.09	USD	2 Qtrs
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$1.42	USD	2 Qtrs
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$1.42	USD	2 Qtrs
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.42M	shares	2 Qtrs
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.42M	shares	2 Qtrs
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.51M	shares	1 Quarter
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.51M	shares	1 Quarter
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.39M	shares	1 Quarter
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.39M	shares	1 Quarter
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.46M	shares	2 Qtrs
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.46M	shares	2 Qtrs
Diluted weighted average shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	7.39M	shares	1 Quarter
Diluted weighted average shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	7.39M	shares	1 Quarter
Diluted weighted average shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	7.51M	shares	1 Quarter
Diluted weighted average shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	7.51M	shares	1 Quarter
Diluted weighted average shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	7.44M	shares	2 Qtrs
Diluted weighted average shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	7.44M	shares	2 Qtrs
Diluted weighted average shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	7.51M	shares	2 Qtrs
Diluted weighted average shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	7.51M	shares	2 Qtrs

Cash Flow Statement 72 line items

Line Item	Tag	Value	Unit	Period
Net cash (used for) provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-5.70M	USD	2 Qtrs
Net cash (used for) provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-5.70M	USD	2 Qtrs
Net cash (used for) provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$23.29M	USD	2 Qtrs
Net cash (used for) provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$23.29M	USD	2 Qtrs
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$14.13M	USD	2 Qtrs
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$14.13M	USD	2 Qtrs
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$7.92M	USD	1 Quarter
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$7.92M	USD	1 Quarter
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$6.26M	USD	1 Quarter
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$6.26M	USD	1 Quarter
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$22.40M	USD	2 Qtrs
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$22.40M	USD	2 Qtrs
Proceeds from the sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$298.00K	USD	2 Qtrs
Proceeds from the sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$298.00K	USD	2 Qtrs
Proceeds from the sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$91.00K	USD	2 Qtrs
Proceeds from the sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$91.00K	USD	2 Qtrs
Proceeds from the sale of private company equity units	`ProceedsFromSaleOfEquityMethodInvestments`	-	USD	2 Qtrs
Proceeds from the sale of private company equity units	`ProceedsFromSaleOfEquityMethodInvestments`	-	USD	2 Qtrs
Proceeds from the sale of private company equity units	`ProceedsFromSaleOfEquityMethodInvestments`	$1.15M	USD	2 Qtrs
Proceeds from the sale of private company equity units	`ProceedsFromSaleOfEquityMethodInvestments`	$1.15M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$15.00K	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$15.00K	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$965.00K	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$965.00K	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-12.70M	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-12.70M	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-23.27M	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-23.27M	USD	2 Qtrs
Additions to long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.24M	USD	2 Qtrs
Additions to long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.24M	USD	2 Qtrs
Additions to long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.12M	USD	2 Qtrs
Additions to long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.12M	USD	2 Qtrs
Reductions of long-term debt	`RepaymentsOfLongTermDebt`	$2.25M	USD	2 Qtrs
Reductions of long-term debt	`RepaymentsOfLongTermDebt`	$2.25M	USD	2 Qtrs
Reductions of long-term debt	`RepaymentsOfLongTermDebt`	$2.65M	USD	2 Qtrs
Reductions of long-term debt	`RepaymentsOfLongTermDebt`	$2.65M	USD	2 Qtrs
Net additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	$-17.50M	USD	2 Qtrs
Net additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	$-17.50M	USD	2 Qtrs
Net additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	-	USD	2 Qtrs
Net additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	-	USD	2 Qtrs
Cash dividends paid	`PaymentsOfDividends`	$3.19M	USD	2 Qtrs
Cash dividends paid	`PaymentsOfDividends`	$3.19M	USD	2 Qtrs
Cash dividends paid	`PaymentsOfDividends`	$3.31M	USD	2 Qtrs
Cash dividends paid	`PaymentsOfDividends`	$3.31M	USD	2 Qtrs
Purchase of treasury shares	`PaymentsForRepurchaseOfCommonStock`	-	USD	2 Qtrs
Purchase of treasury shares	`PaymentsForRepurchaseOfCommonStock`	-	USD	2 Qtrs
Purchase of treasury shares	`PaymentsForRepurchaseOfCommonStock`	$7.56M	USD	2 Qtrs
Purchase of treasury shares	`PaymentsForRepurchaseOfCommonStock`	$7.56M	USD	2 Qtrs
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$6.22M	USD	2 Qtrs
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$6.22M	USD	2 Qtrs
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-4.32M	USD	2 Qtrs
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-4.32M	USD	2 Qtrs
Total (decrease) increase for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-22.75M	USD	2 Qtrs
Total (decrease) increase for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-22.75M	USD	2 Qtrs
Total (decrease) increase for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$6.27M	USD	2 Qtrs
Total (decrease) increase for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$6.27M	USD	2 Qtrs
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$110.75M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$110.75M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.11M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.11M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$117.02M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$117.02M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$62.36M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$62.36M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$110.75M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$110.75M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.11M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.11M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$117.02M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$117.02M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$62.36M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$62.36M	USD	Point-in-time

Stockholders Equity 72 line items

Line Item	Tag	Value	Unit	Period
Cash dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.22	USD	1 Quarter
Cash dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.22	USD	1 Quarter
Cash dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.22	USD	1 Quarter
Cash dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.22	USD	1 Quarter
Cash dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.23	USD	1 Quarter
Cash dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.23	USD	1 Quarter
Cash dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.21	USD	1 Quarter
Cash dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.21	USD	1 Quarter
Balance, beginning of period	`StockholdersEquity`	$381.61M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$381.61M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$382.34M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$382.34M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$433.40M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$433.40M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$384.09M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$384.09M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$431.69M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$431.69M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$426.97M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$426.97M	USD	Point-in-time
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$807.00K	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$807.00K	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$531.00K	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$531.00K	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.39M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.39M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$564.00K	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$564.00K	USD	1 Quarter
Purchase of treasury shares	`TreasuryStockValueAcquiredParValueMethod`	$3.29M	USD	1 Quarter
Purchase of treasury shares	`TreasuryStockValueAcquiredParValueMethod`	$3.29M	USD	1 Quarter
Purchase of treasury shares	`TreasuryStockValueAcquiredParValueMethod`	$4.27M	USD	1 Quarter
Purchase of treasury shares	`TreasuryStockValueAcquiredParValueMethod`	$4.27M	USD	1 Quarter
Net income	`NetIncomeLoss`	$8.21M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$8.21M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$5.69M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.69M	USD	1 Quarter
Net income	`NetIncomeLoss`	$2.52M	USD	1 Quarter
Net income	`NetIncomeLoss`	$2.52M	USD	1 Quarter
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.57M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.57M	USD	1 Quarter
Cash dividends on Class A and Class B common stock	`DividendsCommonStockCash`	$1.68M	USD	1 Quarter
Cash dividends on Class A and Class B common stock	`DividendsCommonStockCash`	$1.68M	USD	1 Quarter
Cash dividends on Class A and Class B common stock	`DividendsCommonStockCash`	$1.63M	USD	1 Quarter
Cash dividends on Class A and Class B common stock	`DividendsCommonStockCash`	$1.63M	USD	1 Quarter
Cash dividends on Class A and Class B common stock	`DividendsCommonStockCash`	$1.63M	USD	1 Quarter
Cash dividends on Class A and Class B common stock	`DividendsCommonStockCash`	$1.63M	USD	1 Quarter
Cash dividends on Class A and Class B common stock	`DividendsCommonStockCash`	$1.56M	USD	1 Quarter
Cash dividends on Class A and Class B common stock	`DividendsCommonStockCash`	$1.56M	USD	1 Quarter
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-18.00K	USD	1 Quarter
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-18.00K	USD	1 Quarter
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-76.00K	USD	1 Quarter
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-76.00K	USD	1 Quarter
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-21.00K	USD	1 Quarter
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-21.00K	USD	1 Quarter
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-77.00K	USD	1 Quarter
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-77.00K	USD	1 Quarter
Balance, end of period	`StockholdersEquity`	$381.61M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$381.61M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$382.34M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$382.34M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$433.40M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$433.40M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$384.09M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$384.09M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$431.69M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$431.69M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$426.97M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$426.97M	USD	Point-in-time

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-25.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-25.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-48.00K	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-48.00K	USD	2 Qtrs
Net income	`NetIncomeLoss`	$8.21M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$8.21M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$5.69M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.69M	USD	1 Quarter
Net income	`NetIncomeLoss`	$2.52M	USD	1 Quarter
Net income	`NetIncomeLoss`	$2.52M	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-12.00K	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-12.00K	USD	2 Qtrs
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.57M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.57M	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-6.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-6.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively, and net of $6 and $12 tax benefit in the three and six months ended June 30, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-39.00K	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively, and net of $6 and $12 tax benefit in the three and six months ended June 30, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-39.00K	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively, and net of $6 and $12 tax benefit in the three and six months ended June 30, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-18.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively, and net of $6 and $12 tax benefit in the three and six months ended June 30, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-18.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively, and net of $6 and $12 tax benefit in the three and six months ended June 30, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-153.00K	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively, and net of $6 and $12 tax benefit in the three and six months ended June 30, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-153.00K	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively, and net of $6 and $12 tax benefit in the three and six months ended June 30, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-77.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively, and net of $6 and $12 tax benefit in the three and six months ended June 30, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-77.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$153.00K	USD	2 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$153.00K	USD	2 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$18.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$18.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$39.00K	USD	2 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$39.00K	USD	2 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$77.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$77.00K	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$6.05M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$6.05M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$10.70M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$10.70M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$2.54M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$2.54M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$8.25M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$8.25M	USD	2 Qtrs

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