10-Q Filing

NACCO INDUSTRIES INC CIK: 789933 Q2 2025

Filing Information

Form Type	10-Q
Accession Number	`0000789933-25-000041`
Period End Date	20250630
Filing Date	20250806
Fiscal Year	2025
Fiscal Period	Q2
XBRL Instance	nacco-20250630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 144 Income Statement 188 Cash Flow Statement 68 Stockholders Equity 76 Comprehensive Income 44

Balance Sheet 144 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$72.83M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$72.83M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$49.40M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$49.40M	USD	Point-in-time
Prepaid profit sharing	`PrepaidProfitSharing`	$12.04M	USD	Point-in-time
Prepaid profit sharing	`PrepaidProfitSharing`	$12.04M	USD	Point-in-time
Prepaid profit sharing	`PrepaidProfitSharing`	-	USD	Point-in-time
Prepaid profit sharing	`PrepaidProfitSharing`	-	USD	Point-in-time
Deposits with vendors	`DepositsAssetsCurrent`	$9.39M	USD	Point-in-time
Deposits with vendors	`DepositsAssetsCurrent`	$9.39M	USD	Point-in-time
Deposits with vendors	`DepositsAssetsCurrent`	$16.29M	USD	Point-in-time
Deposits with vendors	`DepositsAssetsCurrent`	$16.29M	USD	Point-in-time
Inventories	`InventoryNet`	$58.57M	USD	Point-in-time
Inventories	`InventoryNet`	$58.57M	USD	Point-in-time
Inventories	`InventoryNet`	$94.61M	USD	Point-in-time
Inventories	`InventoryNet`	$94.61M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroup`	$17.02M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroup`	$17.02M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroup`	$14.16M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroup`	$14.16M	USD	Point-in-time
Prepaid insurance	`PrepaidInsurance`	$11.19M	USD	Point-in-time
Prepaid insurance	`PrepaidInsurance`	$11.19M	USD	Point-in-time
Prepaid insurance	`PrepaidInsurance`	$1.74M	USD	Point-in-time
Prepaid insurance	`PrepaidInsurance`	$1.74M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$14.79M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$14.79M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$16.50M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$16.50M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$227.31M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$227.31M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$264.74M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$264.74M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$256.76M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$256.76M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$259.46M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$259.46M	USD	Point-in-time
Intangibles, net	`FiniteLivedIntangibleAssetsNet`	$5.07M	USD	Point-in-time
Intangibles, net	`FiniteLivedIntangibleAssetsNet`	$5.07M	USD	Point-in-time
Intangibles, net	`FiniteLivedIntangibleAssetsNet`	$5.47M	USD	Point-in-time
Intangibles, net	`FiniteLivedIntangibleAssetsNet`	$5.47M	USD	Point-in-time
Mining supplies inventory	`InventoryNoncurrent`	$33.67M	USD	Point-in-time
Mining supplies inventory	`InventoryNoncurrent`	$33.67M	USD	Point-in-time
Mining supplies inventory	`InventoryNoncurrent`	-	USD	Point-in-time
Mining supplies inventory	`InventoryNoncurrent`	-	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$18.40M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$18.40M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$14.64M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$14.64M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$8.87M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$8.87M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$9.66M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$9.66M	USD	Point-in-time
Equity securities	`EquitySecuritiesFVNINoncurrent`	$18.66M	USD	Point-in-time
Equity securities	`EquitySecuritiesFVNINoncurrent`	$18.66M	USD	Point-in-time
Equity securities	`EquitySecuritiesFVNINoncurrent`	$17.77M	USD	Point-in-time
Equity securities	`EquitySecuritiesFVNINoncurrent`	$17.77M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$25.77M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$25.77M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$28.41M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$28.41M	USD	Point-in-time
Total assets	`Assets`	$631.69M	USD	Point-in-time
Total assets	`Assets`	$631.69M	USD	Point-in-time
Total assets	`Assets`	$631.31M	USD	Point-in-time
Total assets	`Assets`	$631.31M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$4.18M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$4.18M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$4.63M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$4.63M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$9.75M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$9.75M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$9.65M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$9.65M	USD	Point-in-time
Accrued payroll	`AccruedSalariesCurrent`	$14.18M	USD	Point-in-time
Accrued payroll	`AccruedSalariesCurrent`	$14.18M	USD	Point-in-time
Accrued payroll	`AccruedSalariesCurrent`	$22.66M	USD	Point-in-time
Accrued payroll	`AccruedSalariesCurrent`	$22.66M	USD	Point-in-time
Excess funding liability	`ExcessFundingLiability`	-	USD	Point-in-time
Excess funding liability	`ExcessFundingLiability`	-	USD	Point-in-time
Excess funding liability	`ExcessFundingLiability`	$5.45M	USD	Point-in-time
Excess funding liability	`ExcessFundingLiability`	$5.45M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$8.75M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$8.75M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$9.35M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$9.35M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$58.19M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$58.19M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$64.89M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$64.89M	USD	Point-in-time
Long-term debt	`LongTermDebtAndLeaseObligationExcludingLongTermLineOfCredit`	$25.34M	USD	Point-in-time
Long-term debt	`LongTermDebtAndLeaseObligationExcludingLongTermLineOfCredit`	$25.34M	USD	Point-in-time
Long-term debt	`LongTermDebtAndLeaseObligationExcludingLongTermLineOfCredit`	$25.88M	USD	Point-in-time
Long-term debt	`LongTermDebtAndLeaseObligationExcludingLongTermLineOfCredit`	$25.88M	USD	Point-in-time
Long-term revolving credit agreements	`LongTermLineOfCredit`	$65.00M	USD	Point-in-time
Long-term revolving credit agreements	`LongTermLineOfCredit`	$65.00M	USD	Point-in-time
Long-term revolving credit agreements	`LongTermLineOfCredit`	$70.00M	USD	Point-in-time
Long-term revolving credit agreements	`LongTermLineOfCredit`	$70.00M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$9.04M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$9.04M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$8.15M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$8.15M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$40.38M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$40.38M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$39.78M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$39.78M	USD	Point-in-time
Pension and other postretirement obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$4.79M	USD	Point-in-time
Pension and other postretirement obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$4.79M	USD	Point-in-time
Pension and other postretirement obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$4.61M	USD	Point-in-time
Pension and other postretirement obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$4.61M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$12.91M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$12.91M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$15.97M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$15.97M	USD	Point-in-time
Total liabilities	`Liabilities`	$226.74M	USD	Point-in-time
Total liabilities	`Liabilities`	$226.74M	USD	Point-in-time
Total liabilities	`Liabilities`	$218.19M	USD	Point-in-time
Total liabilities	`Liabilities`	$218.19M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$34.34M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$34.34M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$38.22M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$38.22M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$377.28M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$377.28M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$373.36M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$373.36M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-9.84M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-9.84M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-10.05M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-10.05M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$413.12M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$413.12M	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`	$384.09M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$384.09M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$404.95M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$404.95M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$409.12M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$409.12M	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 liabilities and equity	`LiabilitiesAndStockholdersEquity`	$631.69M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$631.69M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$631.31M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$631.31M	USD	Point-in-time

Income Statement 188 line items

Line Item	Tag	Value	Unit	Period
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$105.63M	USD	2 Qtrs
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$105.63M	USD	2 Qtrs
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$133.81M	USD	2 Qtrs
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$133.81M	USD	2 Qtrs
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$68.23M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$68.23M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$52.34M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$52.34M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$117.33M	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$117.33M	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$61.41M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$61.41M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$91.60M	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$91.60M	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$45.33M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$45.33M	USD	1 Quarter
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
Gross profit	`GrossProfit`	$6.82M	USD	1 Quarter
Gross profit	`GrossProfit`	$6.82M	USD	1 Quarter
Gross profit	`GrossProfit`	$16.47M	USD	2 Qtrs
Gross profit	`GrossProfit`	$16.47M	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`	$13.59M	USD	1 Quarter
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$13.59M	USD	1 Quarter
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$29.12M	USD	2 Qtrs
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$29.12M	USD	2 Qtrs
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$13.14M	USD	1 Quarter
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$13.14M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$19.77M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$19.77M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$37.64M	USD	2 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$37.64M	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`	$33.17M	USD	2 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$33.17M	USD	2 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$116.00K	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$116.00K	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$407.00K	USD	2 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$407.00K	USD	2 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$245.00K	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$245.00K	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$242.00K	USD	2 Qtrs
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$242.00K	USD	2 Qtrs
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$4.60M	USD	2 Qtrs
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$4.60M	USD	2 Qtrs
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$81.00K	USD	2 Qtrs
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$81.00K	USD	2 Qtrs
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$9.00K	USD	1 Quarter
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$9.00K	USD	1 Quarter
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$4.59M	USD	1 Quarter
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$4.59M	USD	1 Quarter
Operating expenses	`OtherCostAndExpenseOperating`	$20.01M	USD	1 Quarter
Operating expenses	`OtherCostAndExpenseOperating`	$20.01M	USD	1 Quarter
Operating expenses	`OtherCostAndExpenseOperating`	$28.81M	USD	2 Qtrs
Operating expenses	`OtherCostAndExpenseOperating`	$28.81M	USD	2 Qtrs
Operating expenses	`OtherCostAndExpenseOperating`	$13.24M	USD	1 Quarter
Operating expenses	`OtherCostAndExpenseOperating`	$13.24M	USD	1 Quarter
Operating expenses	`OtherCostAndExpenseOperating`	$37.97M	USD	2 Qtrs
Operating expenses	`OtherCostAndExpenseOperating`	$37.97M	USD	2 Qtrs
Operating (loss) profit	`OperatingIncomeLoss`	$7.63M	USD	2 Qtrs
Operating (loss) profit	`OperatingIncomeLoss`	$7.63M	USD	2 Qtrs
Operating (loss) profit	`OperatingIncomeLoss`	$7.37M	USD	1 Quarter
Operating (loss) profit	`OperatingIncomeLoss`	$7.37M	USD	1 Quarter
Operating (loss) profit	`OperatingIncomeLoss`	$-51.00K	USD	1 Quarter
Operating (loss) profit	`OperatingIncomeLoss`	$-51.00K	USD	1 Quarter
Operating (loss) profit	`OperatingIncomeLoss`	$12.12M	USD	2 Qtrs
Operating (loss) profit	`OperatingIncomeLoss`	$12.12M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$1.94M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$1.94M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$2.42M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$2.42M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$1.31M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$1.31M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$3.72M	USD	2 Qtrs
Interest expense	`InterestExpenseNonoperating`	$3.72M	USD	2 Qtrs
Interest income	`InvestmentIncomeNonoperating`	$2.17M	USD	2 Qtrs
Interest income	`InvestmentIncomeNonoperating`	$2.17M	USD	2 Qtrs
Interest income	`InvestmentIncomeNonoperating`	$1.04M	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$1.04M	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$770.00K	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$770.00K	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$1.64M	USD	2 Qtrs
Interest income	`InvestmentIncomeNonoperating`	$1.64M	USD	2 Qtrs
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$976.00K	USD	2 Qtrs
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$976.00K	USD	2 Qtrs
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$471.00K	USD	1 Quarter
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$471.00K	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`	$503.00K	USD	1 Quarter
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$503.00K	USD	1 Quarter
(Gain) loss on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$-264.00K	USD	1 Quarter
(Gain) loss on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$-264.00K	USD	1 Quarter
(Gain) loss on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$-521.00K	USD	2 Qtrs
(Gain) loss on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$-521.00K	USD	2 Qtrs
(Gain) loss on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$777.00K	USD	2 Qtrs
(Gain) loss on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$777.00K	USD	2 Qtrs
(Gain) loss on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$349.00K	USD	1 Quarter
(Gain) loss on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$349.00K	USD	1 Quarter
Gain on settlement of excess funding liability	`GainLossSettlementOfExcessFundingLiability`	$3.59M	USD	2 Qtrs
Gain on settlement of excess funding liability	`GainLossSettlementOfExcessFundingLiability`	$3.59M	USD	2 Qtrs
Gain on settlement of excess funding liability	`GainLossSettlementOfExcessFundingLiability`	$3.59M	USD	1 Quarter
Gain on settlement of excess funding liability	`GainLossSettlementOfExcessFundingLiability`	$3.59M	USD	1 Quarter
Gain on settlement of excess funding liability	`GainLossSettlementOfExcessFundingLiability`	-	USD	2 Qtrs
Gain on settlement of excess funding liability	`GainLossSettlementOfExcessFundingLiability`	-	USD	2 Qtrs
Gain on settlement of excess funding liability	`GainLossSettlementOfExcessFundingLiability`	-	USD	1 Quarter
Gain on settlement of excess funding liability	`GainLossSettlementOfExcessFundingLiability`	-	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$-130.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$-130.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$84.00K	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$84.00K	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$-520.00K	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$-520.00K	USD	2 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$-217.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$-217.00K	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`	$-510.00K	USD	2 Qtrs
Other (income) expense	`NonoperatingIncomeExpense`	$-510.00K	USD	2 Qtrs
Other (income) expense	`NonoperatingIncomeExpense`	$2.04M	USD	1 Quarter
Other (income) expense	`NonoperatingIncomeExpense`	$2.04M	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 (benefit) provision	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$7.12M	USD	2 Qtrs
Income before income tax (benefit) provision	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$7.12M	USD	2 Qtrs
Income before income tax (benefit) provision	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$6.23M	USD	1 Quarter
Income before income tax (benefit) provision	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$6.23M	USD	1 Quarter
Income before income tax (benefit) provision	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$11.80M	USD	2 Qtrs
Income before income tax (benefit) provision	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$11.80M	USD	2 Qtrs
Income before income tax (benefit) provision	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.99M	USD	1 Quarter
Income before income tax (benefit) provision	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.99M	USD	1 Quarter
Income tax (benefit) provision	`IncomeTaxExpenseBenefit`	$1.26M	USD	2 Qtrs
Income tax (benefit) provision	`IncomeTaxExpenseBenefit`	$1.26M	USD	2 Qtrs
Income tax (benefit) provision	`IncomeTaxExpenseBenefit`	$-1.27M	USD	1 Quarter
Income tax (benefit) provision	`IncomeTaxExpenseBenefit`	$-1.27M	USD	1 Quarter
Income tax (benefit) provision	`IncomeTaxExpenseBenefit`	$256.00K	USD	1 Quarter
Income tax (benefit) provision	`IncomeTaxExpenseBenefit`	$256.00K	USD	1 Quarter
Income tax (benefit) provision	`IncomeTaxExpenseBenefit`	$-1.04M	USD	2 Qtrs
Income tax (benefit) provision	`IncomeTaxExpenseBenefit`	$-1.04M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$3.26M	USD	1 Quarter
Net income	`NetIncomeLoss`	$3.26M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.57M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.57M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.90M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.90M	USD	1 Quarter
Net income	`NetIncomeLoss`	$8.16M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$8.16M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$0.44	USD	1 Quarter
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$0.44	USD	1 Quarter
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
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`	$1.10	USD	2 Qtrs
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$1.10	USD	2 Qtrs
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$1.10	USD	2 Qtrs
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$1.10	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
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`	$0.44	USD	1 Quarter
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$0.44	USD	1 Quarter
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.45M	shares	1 Quarter
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.45M	shares	1 Quarter
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.40M	shares	2 Qtrs
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.40M	shares	2 Qtrs
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`	7.42M	shares	2 Qtrs
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.42M	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`	7.45M	shares	1 Quarter
Diluted weighted average shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	7.45M	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`	7.45M	shares	2 Qtrs
Diluted weighted average shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	7.45M	shares	2 Qtrs

Cash Flow Statement 68 line items

Line Item	Tag	Value	Unit	Period
Net cash used for operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-2.75M	USD	2 Qtrs
Net cash used for operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-2.75M	USD	2 Qtrs
Net cash used for operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-5.70M	USD	2 Qtrs
Net cash used for operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-5.70M	USD	2 Qtrs
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$11.95M	USD	2 Qtrs
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$11.95M	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`	$3.14M	USD	1 Quarter
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$3.14M	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`	$120.00K	USD	2 Qtrs
Proceeds from the sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$120.00K	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
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-795.00K	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-795.00K	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$965.00K	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$965.00K	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-23.27M	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-23.27M	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-11.04M	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-11.04M	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`	$1.94M	USD	2 Qtrs
Additions to long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.94M	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
Reductions of long-term debt	`RepaymentsOfLongTermDebt`	$2.32M	USD	2 Qtrs
Reductions of long-term debt	`RepaymentsOfLongTermDebt`	$2.32M	USD	2 Qtrs
Net (reductions) additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	$5.00M	USD	2 Qtrs
Net (reductions) additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	$5.00M	USD	2 Qtrs
Net (reductions) additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	$-17.50M	USD	2 Qtrs
Net (reductions) additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	$-17.50M	USD	2 Qtrs
Cash dividends paid	`PaymentsOfDividends`	$3.31M	USD	2 Qtrs
Cash dividends paid	`PaymentsOfDividends`	$3.31M	USD	2 Qtrs
Cash dividends paid	`PaymentsOfDividends`	$3.57M	USD	2 Qtrs
Cash dividends paid	`PaymentsOfDividends`	$3.57M	USD	2 Qtrs
Purchase of treasury shares	`PaymentsForRepurchaseOfCommonStock`	$695.00K	USD	2 Qtrs
Purchase of treasury shares	`PaymentsForRepurchaseOfCommonStock`	$695.00K	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 (used for) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-9.64M	USD	2 Qtrs
Net cash (used for) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-9.64M	USD	2 Qtrs
Net cash (used for) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$6.22M	USD	2 Qtrs
Net cash (used for) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$6.22M	USD	2 Qtrs
Total decrease for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-22.75M	USD	2 Qtrs
Total decrease for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-22.75M	USD	2 Qtrs
Total decrease for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-23.43M	USD	2 Qtrs
Total decrease for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-23.43M	USD	2 Qtrs
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$49.40M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$49.40M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$72.83M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$72.83M	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`	$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`	$49.40M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$49.40M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$72.83M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$72.83M	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`	$62.36M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$62.36M	USD	Point-in-time

Stockholders Equity 76 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`	$0.23	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`	$0.25	USD	1 Quarter
Cash dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.25	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
Balance, beginning of period	`StockholdersEquity`	$413.12M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$413.12M	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`	$384.09M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$384.09M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$404.95M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$404.95M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$409.12M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$409.12M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$381.61M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$381.61M	USD	Point-in-time
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.39M	USD	1 Quarter
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.39M	USD	1 Quarter
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.51M	USD	1 Quarter
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.51M	USD	1 Quarter
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$531.00K	USD	1 Quarter
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$531.00K	USD	1 Quarter
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.55M	USD	1 Quarter
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.55M	USD	1 Quarter
Purchase of treasury shares	`TreasuryStockValueAcquiredParValueMethod`	$4.27M	USD	1 Quarter
Purchase of treasury shares	`TreasuryStockValueAcquiredParValueMethod`	$4.27M	USD	1 Quarter
Purchase of treasury shares	`TreasuryStockValueAcquiredParValueMethod`	$695.00K	USD	1 Quarter
Purchase of treasury shares	`TreasuryStockValueAcquiredParValueMethod`	$695.00K	USD	1 Quarter
Purchase of treasury shares	`TreasuryStockValueAcquiredParValueMethod`	$3.29M	USD	1 Quarter
Purchase of treasury shares	`TreasuryStockValueAcquiredParValueMethod`	$3.29M	USD	1 Quarter
Conversion of Class B to Class A shares	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	-	USD	1 Quarter
Conversion of Class B to Class A shares	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	-	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$3.26M	USD	1 Quarter
Net income	`NetIncomeLoss`	$3.26M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.57M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.57M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.90M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.90M	USD	1 Quarter
Net income	`NetIncomeLoss`	$8.16M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$8.16M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
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`	$1.68M	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`	$1.88M	USD	1 Quarter
Cash dividends on Class A and Class B common stock	`DividendsCommonStockCash`	$1.88M	USD	1 Quarter
Cash dividends on Class A and Class B common stock	`DividendsCommonStockCash`	$1.69M	USD	1 Quarter
Cash dividends on Class A and Class B common stock	`DividendsCommonStockCash`	$1.69M	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`	$-108.00K	USD	1 Quarter
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-108.00K	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
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-109.00K	USD	1 Quarter
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-109.00K	USD	1 Quarter
Balance, end of period	`StockholdersEquity`	$413.12M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$413.12M	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`	$384.09M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$384.09M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$404.95M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$404.95M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$409.12M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$409.12M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$381.61M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$381.61M	USD	Point-in-time

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$3.26M	USD	1 Quarter
Net income	`NetIncomeLoss`	$3.26M	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
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-65.00K	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-65.00K	USD	2 Qtrs
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`	$-34.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-34.00K	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`	$-25.00K	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.90M	USD	1 Quarter
Net income	`NetIncomeLoss`	$4.90M	USD	1 Quarter
Net income	`NetIncomeLoss`	$8.16M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$8.16M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
Net income	`NetIncomeLoss`	$10.54M	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, net of $34 and $65 tax benefit in the three and six months ended June 30, 2025, respectively, and net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-217.00K	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, net of $34 and $65 tax benefit in the three and six months ended June 30, 2025, respectively, and net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-217.00K	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, net of $34 and $65 tax benefit in the three and six months ended June 30, 2025, respectively, and net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-153.00K	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, net of $34 and $65 tax benefit in the three and six months ended June 30, 2025, respectively, and net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-153.00K	USD	2 Qtrs
Reclassification of pension and postretirement adjustments into earnings, net of $34 and $65 tax benefit in the three and six months ended June 30, 2025, respectively, and net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-108.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, net of $34 and $65 tax benefit in the three and six months ended June 30, 2025, respectively, and net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-108.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, net of $34 and $65 tax benefit in the three and six months ended June 30, 2025, respectively, and net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-77.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, net of $34 and $65 tax benefit in the three and six months ended June 30, 2025, respectively, and net of $25 and $48 tax benefit in the three and six months ended June 30, 2024, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-77.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$217.00K	USD	2 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$217.00K	USD	2 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$108.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$108.00K	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`	$77.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$77.00K	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$8.38M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$8.38M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$3.37M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$3.37M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$10.70M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$10.70M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$6.05M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$6.05M	USD	1 Quarter

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