10-Q Filing

NACCO INDUSTRIES INC CIK: 789933 Q1 2024

Filing Information

Form Type	10-Q
Accession Number	`0000789933-24-000035`
Period End Date	20240331
Filing Date	20240501
Fiscal Year	2024
Fiscal Period	Q1
XBRL Instance	nacco-20240331_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 136 Income Statement 88 Cash Flow Statement 68 Stockholders Equity 38 Comprehensive Income 20

Balance Sheet 136 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`	$61.84M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$61.84M	USD	Point-in-time
Inventories	`InventoryNet`	$77.00M	USD	Point-in-time
Inventories	`InventoryNet`	$77.00M	USD	Point-in-time
Inventories	`InventoryNet`	$75.75M	USD	Point-in-time
Inventories	`InventoryNet`	$75.75M	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`	$7.27M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroup`	$7.27M	USD	Point-in-time
Federal income tax receivable	`IncomeTaxesReceivable`	$845.00K	USD	Point-in-time
Federal income tax receivable	`IncomeTaxesReceivable`	$845.00K	USD	Point-in-time
Federal income tax receivable	`IncomeTaxesReceivable`	$845.00K	USD	Point-in-time
Federal income tax receivable	`IncomeTaxesReceivable`	$845.00K	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`	$11.25M	USD	Point-in-time
Prepaid insurance	`PrepaidInsurance`	$11.25M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$15.50M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$15.50M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$19.56M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$19.56M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$212.84M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$212.84M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$232.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$232.00M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$238.91M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$238.91M	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`	$5.88M	USD	Point-in-time
Intangibles, net	`FiniteLivedIntangibleAssetsNet`	$5.88M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$15.11M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$15.11M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$15.08M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$15.08M	USD	Point-in-time
Investments in unconsolidated subsidiaries	`EquityMethodInvestments`	$13.75M	USD	Point-in-time
Investments in unconsolidated subsidiaries	`EquityMethodInvestments`	$13.75M	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`	$7.88M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$7.88M	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`	$43.63M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$43.63M	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`	$538.00M	USD	Point-in-time
Total assets	`Assets`	$538.00M	USD	Point-in-time
Total assets	`Assets`	$539.71M	USD	Point-in-time
Total assets	`Assets`	$539.71M	USD	Point-in-time
Revolving credit agreements	`LinesOfCreditCurrent`	$10.00M	USD	Point-in-time
Revolving credit agreements	`LinesOfCreditCurrent`	$10.00M	USD	Point-in-time
Revolving credit agreements	`LinesOfCreditCurrent`	$17.00M	USD	Point-in-time
Revolving credit agreements	`LinesOfCreditCurrent`	$17.00M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$4.50M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$4.50M	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
Asset retirement obligations	`AssetRetirementObligationCurrent`	$13.11M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$13.11M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$13.11M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$13.11M	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`	$9.07M	USD	Point-in-time
Accrued payroll	`AccruedSalariesCurrent`	$9.07M	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$930.00K	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$930.00K	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$878.00K	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$878.00K	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$6.26M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$6.26M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$7.12M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$7.12M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$63.94M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$63.94M	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`	$28.38M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$28.38M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$22.00M	USD	Point-in-time
Long-term debt	`LongTermDebtAndCapitalLeaseObligations`	$22.00M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$7.96M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$7.96M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$8.78M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$8.78M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$38.55M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$38.55M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$39.50M	USD	Point-in-time
Asset retirement obligations	`MineReclamationAndClosingLiabilityNoncurrent`	$39.50M	USD	Point-in-time
Pension and other postretirement obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$5.06M	USD	Point-in-time
Pension and other postretirement obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$5.06M	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
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`	$6.71M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$6.71M	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`	$156.38M	USD	Point-in-time
Total liabilities	`Liabilities`	$156.38M	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
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$29.07M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$29.07M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$354.67M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$354.67M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$355.87M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$355.87M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-9.58M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-9.58M	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`	$382.34M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$382.34M	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`	$381.61M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$381.61M	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`	$538.00M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$538.00M	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 88 line items

Line Item	Tag	Value	Unit	Period
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$53.29M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$53.29M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$50.14M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$50.14M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$46.27M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$46.27M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$46.78M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$46.78M	USD	1 Quarter
Gross profit	`GrossProfit`	$7.02M	USD	1 Quarter
Gross profit	`GrossProfit`	$7.02M	USD	1 Quarter
Gross profit	`GrossProfit`	$3.36M	USD	1 Quarter
Gross profit	`GrossProfit`	$3.36M	USD	1 Quarter
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$13.31M	USD	1 Quarter
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$13.31M	USD	1 Quarter
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$13.82M	USD	1 Quarter
Earnings of unconsolidated operations	`EarningsOfUnconsolidatedMines`	$13.82M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$15.45M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$15.45M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$14.88M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$14.88M	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$126.00K	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$126.00K	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$727.00K	USD	1 Quarter
Amortization of intangible assets	`AmortizationOfIntangibleAssets`	$727.00K	USD	1 Quarter
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$236.00K	USD	1 Quarter
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$236.00K	USD	1 Quarter
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$11.00K	USD	1 Quarter
Gain on sale of assets	`GainLossOnDispositionOfAssets`	$11.00K	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$15.37M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$15.37M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$15.57M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$15.57M	USD	1 Quarter
Operating profit	`OperatingIncomeLoss`	$4.76M	USD	1 Quarter
Operating profit	`OperatingIncomeLoss`	$4.76M	USD	1 Quarter
Operating profit	`OperatingIncomeLoss`	$1.81M	USD	1 Quarter
Operating profit	`OperatingIncomeLoss`	$1.81M	USD	1 Quarter
Interest expense	`InterestExpense`	$1.11M	USD	1 Quarter
Interest expense	`InterestExpense`	$1.11M	USD	1 Quarter
Interest expense	`InterestExpense`	$545.00K	USD	1 Quarter
Interest expense	`InterestExpense`	$545.00K	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$1.13M	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$1.13M	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$1.16M	USD	1 Quarter
Interest income	`InvestmentIncomeNonoperating`	$1.16M	USD	1 Quarter
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$455.00K	USD	1 Quarter
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$455.00K	USD	1 Quarter
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$409.00K	USD	1 Quarter
Closed mine obligations	`NonoperatingIncomeExpenseClosedMineObligations`	$409.00K	USD	1 Quarter
Gain on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$628.00K	USD	1 Quarter
Gain on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$628.00K	USD	1 Quarter
Gain on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$1.04M	USD	1 Quarter
Gain on equity securities	`EquitySecuritiesFvNiRealizedGainLoss`	$1.04M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$214.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$214.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$1.73M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$1.73M	USD	1 Quarter
Other (income) expense	`NonoperatingIncomeExpense`	$2.55M	USD	1 Quarter
Other (income) expense	`NonoperatingIncomeExpense`	$2.55M	USD	1 Quarter
Other (income) expense	`NonoperatingIncomeExpense`	$816.00K	USD	1 Quarter
Other (income) expense	`NonoperatingIncomeExpense`	$816.00K	USD	1 Quarter
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$4.37M	USD	1 Quarter
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$4.37M	USD	1 Quarter
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$5.57M	USD	1 Quarter
Income before income tax provision (benefit)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$5.57M	USD	1 Quarter
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$1.00M	USD	1 Quarter
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$1.00M	USD	1 Quarter
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$-1.32M	USD	1 Quarter
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$-1.32M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.69M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.69M	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`	$0.77	USD	1 Quarter
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$0.77	USD	1 Quarter
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$0.61	USD	1 Quarter
Basic earnings per share (in dollars per share)	`EarningsPerShareBasic`	$0.61	USD	1 Quarter
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$0.76	USD	1 Quarter
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$0.76	USD	1 Quarter
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$0.61	USD	1 Quarter
Diluted earnings per share (in dollars per share)	`EarningsPerShareDiluted`	$0.61	USD	1 Quarter
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.43M	shares	1 Quarter
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.43M	shares	1 Quarter
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.45M	shares	1 Quarter
Basic weighted average shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	7.45M	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`	7.51M	shares	1 Quarter
Diluted weighted average shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	7.51M	shares	1 Quarter

Cash Flow Statement 68 line items

Line Item	Tag	Value	Unit	Period
Net cash (used for) provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-9.76M	USD	1 Quarter
Net cash (used for) provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-9.76M	USD	1 Quarter
Net cash (used for) provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$6.25M	USD	1 Quarter
Net cash (used for) provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$6.25M	USD	1 Quarter
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$7.88M	USD	1 Quarter
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$7.88M	USD	1 Quarter
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$14.48M	USD	1 Quarter
Expenditures for property, plant and equipment and acquisition of mineral interests	`PaymentsToAcquirePropertyPlantAndEquipmentAndMineralRights`	$14.48M	USD	1 Quarter
Proceeds from the sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$11.00K	USD	1 Quarter
Proceeds from the sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$11.00K	USD	1 Quarter
Proceeds from the sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$272.00K	USD	1 Quarter
Proceeds from the sale of property, plant and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$272.00K	USD	1 Quarter
Proceeds from the sale of private company equity units	`ProceedsFromSaleOfEquityMethodInvestments`	$1.15M	USD	1 Quarter
Proceeds from the sale of private company equity units	`ProceedsFromSaleOfEquityMethodInvestments`	$1.15M	USD	1 Quarter
Proceeds from the sale of private company equity units	`ProceedsFromSaleOfEquityMethodInvestments`	-	USD	1 Quarter
Proceeds from the sale of private company equity units	`ProceedsFromSaleOfEquityMethodInvestments`	-	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$163.00K	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$163.00K	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$10.00K	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$10.00K	USD	1 Quarter
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-6.46M	USD	1 Quarter
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-6.46M	USD	1 Quarter
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-14.63M	USD	1 Quarter
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-14.63M	USD	1 Quarter
Additions to long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.33M	USD	1 Quarter
Additions to long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.33M	USD	1 Quarter
Additions to long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.11M	USD	1 Quarter
Additions to long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.11M	USD	1 Quarter
Reductions of long-term debt	`RepaymentsOfLongTermDebt`	$1.46M	USD	1 Quarter
Reductions of long-term debt	`RepaymentsOfLongTermDebt`	$1.46M	USD	1 Quarter
Reductions of long-term debt	`RepaymentsOfLongTermDebt`	$1.29M	USD	1 Quarter
Reductions of long-term debt	`RepaymentsOfLongTermDebt`	$1.29M	USD	1 Quarter
Net additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	$-7.00M	USD	1 Quarter
Net additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	$-7.00M	USD	1 Quarter
Net additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	-	USD	1 Quarter
Net additions to revolving credit agreements	`LineOfCreditFacilityIncreaseDecreaseForPeriodNet`	-	USD	1 Quarter
Cash dividends paid	`PaymentsOfDividends`	$1.56M	USD	1 Quarter
Cash dividends paid	`PaymentsOfDividends`	$1.56M	USD	1 Quarter
Cash dividends paid	`PaymentsOfDividends`	$1.63M	USD	1 Quarter
Cash dividends paid	`PaymentsOfDividends`	$1.63M	USD	1 Quarter
Purchase of treasury shares	`PaymentsForRepurchaseOfCommonStock`	$4.27M	USD	1 Quarter
Purchase of treasury shares	`PaymentsForRepurchaseOfCommonStock`	$4.27M	USD	1 Quarter
Purchase of treasury shares	`PaymentsForRepurchaseOfCommonStock`	-	USD	1 Quarter
Purchase of treasury shares	`PaymentsForRepurchaseOfCommonStock`	-	USD	1 Quarter
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-901.00K	USD	1 Quarter
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-901.00K	USD	1 Quarter
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.13M	USD	1 Quarter
Net cash provided by (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.13M	USD	1 Quarter
Total decrease for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-23.27M	USD	1 Quarter
Total decrease for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-23.27M	USD	1 Quarter
Total decrease for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-1.11M	USD	1 Quarter
Total decrease for the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-1.11M	USD	1 Quarter
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$109.64M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$109.64M	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`	$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`	$61.84M	USD	Point-in-time
Balance at the beginning of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$61.84M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$109.64M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$109.64M	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`	$61.84M	USD	Point-in-time
Balance at the end of the period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$61.84M	USD	Point-in-time

Stockholders Equity 38 line items

Line Item	Tag	Value	Unit	Period
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
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
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`	$431.69M	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$431.69M	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
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`	$531.00K	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$531.00K	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`	$4.27M	USD	1 Quarter
Purchase of treasury shares	`TreasuryStockValueAcquiredParValueMethod`	$4.27M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.69M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.69M	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`	$1.63M	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`	$-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`	$-76.00K	USD	1 Quarter
Reclassification adjustment to net income, net of tax	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$-76.00K	USD	1 Quarter
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`	$431.69M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$431.69M	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
Balance, end of period	`StockholdersEquity`	$426.97M	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$426.97M	USD	Point-in-time

Comprehensive Income 20 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$5.69M	USD	1 Quarter
Net income	`NetIncomeLoss`	$5.69M	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$23.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$23.00K	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 $23 and $6 tax benefit in the three months ended March 31, 2024 and March 31, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-76.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, net of $23 and $6 tax benefit in the three months ended March 31, 2024 and March 31, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-76.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, net of $23 and $6 tax benefit in the three months ended March 31, 2024 and March 31, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-21.00K	USD	1 Quarter
Reclassification of pension and postretirement adjustments into earnings, net of $23 and $6 tax benefit in the three months ended March 31, 2024 and March 31, 2023, respectively.	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-21.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$21.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$21.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$76.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$76.00K	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$4.65M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$4.65M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$5.71M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$5.71M	USD	1 Quarter

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