10-K Filing

CHESAPEAKE UTILITIES CORP CIK: 19745 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0001628280-18-002594`
Period End Date	20171231
Filing Date	20180301
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	cpk-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 125 Income Statement 109 Cash Flow Statement 118 Stockholders Equity 55 Comprehensive Income 35

Balance Sheet 125 line items

Line Item	Tag	Value	Unit	Period
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$936.00K	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$909.00K	USD	Point-in-time
Regulated Energy	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$957.68M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.49	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.49	USD	Point-in-time
Regulated Energy	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$1.07B	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	50.00M	shares	Point-in-time
Unregulated Energy	`UnregulatedEnergyPropertyPlantAndEquipment`	$210.68M	USD	Point-in-time
Unregulated Energy	`UnregulatedEnergyPropertyPlantAndEquipment`	$196.80M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	50.00M	shares	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	2.00M	shares	Point-in-time
Other businesses and eliminations	`PropertyPlantAndEquipmentOther`	$21.11M	USD	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	2.00M	shares	Point-in-time
Other businesses and eliminations	`PropertyPlantAndEquipmentOther`	$27.70M	USD	Point-in-time
Preferred Stock, Par or Stated Value Per Share	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$1.31B	USD	Point-in-time
Preferred Stock, Par or Stated Value Per Share	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$1.18B	USD	Point-in-time
Less: Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$270.60M	USD	Point-in-time
Less: Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$245.21M	USD	Point-in-time
Plus: Construction work in progress	`ConstructionInProgressGross`	$84.51M	USD	Point-in-time
Plus: Construction work in progress	`ConstructionInProgressGross`	$56.28M	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$986.66M	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$1.13B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.61M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.85M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$4.57M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$4.18M	USD	Point-in-time
Accounts receivable (less allowance for uncollectible accounts of $936 and $909, respectively)	`AccountsReceivableNetCurrent`	$77.22M	USD	Point-in-time
Accounts receivable (less allowance for uncollectible accounts of $936 and $909, respectively)	`AccountsReceivableNetCurrent`	$62.80M	USD	Point-in-time
Accrued revenue	`AccruedRevenue`	$16.99M	USD	Point-in-time
Accrued revenue	`AccruedRevenue`	$22.28M	USD	Point-in-time
Propane inventory, at average cost	`EnergyRelatedInventoryPropaneGas`	$6.46M	USD	Point-in-time
Propane inventory, at average cost	`EnergyRelatedInventoryPropaneGas`	$8.32M	USD	Point-in-time
Other inventory, at average cost	`OtherInventory`	$4.58M	USD	Point-in-time
Other inventory, at average cost	`OtherInventory`	$12.02M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$7.69M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$10.93M	USD	Point-in-time
Storage gas prepayments	`EnergyRelatedInventoryNaturalGasInStorage`	$5.25M	USD	Point-in-time
Storage gas prepayments	`EnergyRelatedInventoryNaturalGasInStorage`	$5.48M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$14.78M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$22.89M	USD	Point-in-time
Prepaid expenses	`PrepaidExpenseCurrent`	$13.62M	USD	Point-in-time
Prepaid expenses	`PrepaidExpenseCurrent`	$6.79M	USD	Point-in-time
Derivative assets, at fair value	`EnergyMarketingContractsAssetsCurrent`	$823.00K	USD	Point-in-time
Derivative assets, at fair value	`EnergyMarketingContractsAssetsCurrent`	$1.29M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$2.47M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$7.26M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$178.59M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$141.15M	USD	Point-in-time
Goodwill	`Goodwill`	$15.07M	USD	Point-in-time
Goodwill	`Goodwill`	$22.10M	USD	Point-in-time
Other intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$4.69M	USD	Point-in-time
Other intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$1.84M	USD	Point-in-time
Investments, at fair value	`InvestmentsFairValueDisclosure`	$4.90M	USD	Point-in-time
Investments, at fair value	`InvestmentsFairValueDisclosure`	$6.76M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$75.58M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$76.80M	USD	Point-in-time
Receivables and other deferred charges	`ReceivablesAndOtherDeferredCharges`	$2.79M	USD	Point-in-time
Receivables and other deferred charges	`ReceivablesAndOtherDeferredCharges`	$3.70M	USD	Point-in-time
Total deferred charges and other assets	`DeferredChargesAndOtherAssets`	$112.82M	USD	Point-in-time
Total deferred charges and other assets	`DeferredChargesAndOtherAssets`	$101.40M	USD	Point-in-time
Total Assets	`Assets`	$1.42B	USD	Point-in-time
Total Assets	`Assets`	$1.23B	USD	Point-in-time
Preferred stock, par value $0.01 per share (authorized 2,000,000 shares), no shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, par value $0.01 per share (authorized 2,000,000 shares), no shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, par value $0.4867 per share (authorized 50,000,000 shares)	`CommonStockValue`	$7.93M	USD	Point-in-time
Common stock, par value $0.4867 per share (authorized 50,000,000 shares)	`CommonStockValue`	$7.96M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$253.47M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$250.97M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$192.06M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$229.14M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.27M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.88M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-5.84M	USD	Point-in-time
Deferred compensation obligation	`CompensationAndBenefitsTrust`	$3.40M	USD	Point-in-time
Deferred compensation obligation	`CompensationAndBenefitsTrust`	$2.42M	USD	Point-in-time
Treasury stock	`TreasuryStockValue`	$2.42M	USD	Point-in-time
Treasury stock	`TreasuryStockValue`	$3.40M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$358.14M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$300.32M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$486.29M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$446.09M	USD	Point-in-time
Long-term debt, net of current maturities	`LongtermDebtandCapitalLeaseObligationsNetofCurrentMaturities`	$197.40M	USD	Point-in-time
Long-term debt, net of current maturities	`LongtermDebtandCapitalLeaseObligationsNetofCurrentMaturities`	$136.95M	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$583.04M	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$683.69M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$9.42M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$12.10M	USD	Point-in-time
Short-term borrowing	`ShortTermBorrowings`	$250.97M	USD	Point-in-time
Short-term borrowing	`ShortTermBorrowings`	$209.87M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$56.94M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$74.69M	USD	Point-in-time
Customer deposits and refunds	`CustomerAdvancesAndDepositsCurrent`	$34.75M	USD	Point-in-time
Customer deposits and refunds	`CustomerAdvancesAndDepositsCurrent`	$29.24M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$1.31M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$1.74M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$4.97M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$5.31M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$13.11M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$10.50M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$6.49M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$1.29M	USD	Point-in-time
Derivative liabilities, at fair value	`EnergyMarketingContractLiabilitiesCurrent`	$6.25M	USD	Point-in-time
Derivative liabilities, at fair value	`EnergyMarketingContractLiabilitiesCurrent`	$773.00K	USD	Point-in-time
Other accrued liabilities	`OtherAccruedLiabilitiesCurrent`	$7.06M	USD	Point-in-time
Other accrued liabilities	`OtherAccruedLiabilitiesCurrent`	$10.27M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$413.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$334.05M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$222.89M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$135.85M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$43.06M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$140.98M	USD	Point-in-time
Environmental liabilities	`AccruedEnvironmentalLossContingenciesNoncurrent`	$8.26M	USD	Point-in-time
Environmental liabilities	`AccruedEnvironmentalLossContingenciesNoncurrent`	$8.59M	USD	Point-in-time
Other pension and benefit costs	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$32.83M	USD	Point-in-time
Other pension and benefit costs	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$29.70M	USD	Point-in-time
Deferred investment tax credits and other liabilities	`OtherLiabilitiesNoncurrent`	$4.75M	USD	Point-in-time
Deferred investment tax credits and other liabilities	`OtherLiabilitiesNoncurrent`	$5.96M	USD	Point-in-time
Total deferred credits and other liabilities	`DeferredCreditsAndOtherLiabilities`	$320.75M	USD	Point-in-time
Total deferred credits and other liabilities	`DeferredCreditsAndOtherLiabilities`	$312.13M	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Total Capitalization and Liabilities	`LiabilitiesAndStockholdersEquity`	$1.23B	USD	Point-in-time
Total Capitalization and Liabilities	`LiabilitiesAndStockholdersEquity`	$1.42B	USD	Point-in-time

Income Statement 109 line items

Line Item	Tag	Value	Unit	Period
Regulated Energy	`RegulatedOperatingRevenue`	$326.31M	USD	Annual
Regulated Energy	`RegulatedOperatingRevenue`	$305.69M	USD	Annual
Regulated Energy	`RegulatedOperatingRevenue`	$301.90M	USD	Annual
Unregulated Energy	`UnregulatedOperatingRevenue`	$324.60M	USD	Annual
Unregulated Energy	`UnregulatedOperatingRevenue`	$162.11M	USD	Annual
Unregulated Energy	`UnregulatedOperatingRevenue`	$203.78M	USD	Annual
Other businesses and eliminations	`OtherSalesRevenueNet`	$-33.32M	USD	Annual
Other businesses and eliminations	`OtherSalesRevenueNet`	$-4.77M	USD	Annual
Other businesses and eliminations	`OtherSalesRevenueNet`	$-10.61M	USD	Annual
Total operating revenues	`Revenues`	$617.58M	USD	Annual
Total operating revenues	`Revenues`	$498.86M	USD	Annual
Total operating revenues	`Revenues`	$102.34M	USD	1 Quarter
Total operating revenues	`Revenues`	$185.16M	USD	1 Quarter
Total operating revenues	`Revenues`	$108.35M	USD	1 Quarter
Total operating revenues	`Revenues`	$459.24M	USD	Annual
Total operating revenues	`Revenues`	$141.87M	USD	1 Quarter
Total operating revenues	`Revenues`	$126.94M	USD	1 Quarter
Total operating revenues	`Revenues`	$146.30M	USD	1 Quarter
Total operating revenues	`Revenues`	$180.40M	USD	1 Quarter
Total operating revenues	`Revenues`	$125.08M	USD	1 Quarter
Regulated Energy cost of sales	`RegulatedEnergyCostOfSales`	$109.61M	USD	Annual
Regulated Energy cost of sales	`RegulatedEnergyCostOfSales`	$118.77M	USD	Annual
Regulated Energy cost of sales	`RegulatedEnergyCostOfSales`	$122.81M	USD	Annual
Unregulated Energy and other cost of sales	`UnregulatedEnergyAndOtherCostOfSales`	$219.15M	USD	Annual
Unregulated Energy and other cost of sales	`UnregulatedEnergyAndOtherCostOfSales`	$128.43M	USD	Annual
Unregulated Energy and other cost of sales	`UnregulatedEnergyAndOtherCostOfSales`	$97.23M	USD	Annual
Operations	`Operations`	$107.56M	USD	Annual
Operations	`Operations`	$117.57M	USD	Annual
Operations	`Operations`	$127.57M	USD	Annual
Maintenance	`MaintenanceCosts`	$11.80M	USD	Annual
Maintenance	`MaintenanceCosts`	$12.39M	USD	Annual
Maintenance	`MaintenanceCosts`	$12.70M	USD	Annual
Gain from a settlement	`AssetImpairmentCharges`	$-130.00K	USD	Annual
Gain from a settlement	`AssetImpairmentCharges`	$-1.50M	USD	Annual
Gain from a settlement	`AssetImpairmentCharges`	$-130.00K	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$32.16M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$36.60M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$29.97M	USD	Annual
Other taxes	`TaxesOther`	$14.73M	USD	Annual
Other taxes	`TaxesOther`	$13.61M	USD	Annual
Other taxes	`TaxesOther`	$17.09M	USD	Annual
Total operating expenses	`OperatingExpenses`	$381.49M	USD	Annual
Total operating expenses	`OperatingExpenses`	$531.74M	USD	Annual
Total operating expenses	`OperatingExpenses`	$414.76M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$34.68M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$23.26M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$21.82M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$36.38M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$84.10M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$77.76M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$85.84M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$15.74M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$14.24M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$10.16M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$13.67M	USD	1 Quarter
Other (expense) income, net	`OtherNonoperatingIncomeExpense`	$293.00K	USD	Annual
Other (expense) income, net	`OtherNonoperatingIncomeExpense`	$-441.00K	USD	Annual
Other (expense) income, net	`OtherNonoperatingIncomeExpense`	$-765.00K	USD	Annual
Interest charges	`InterestExpense`	$12.64M	USD	Annual
Interest charges	`InterestExpense`	$10.64M	USD	Annual
Interest charges	`InterestExpense`	$10.01M	USD	Annual
Income Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$72.43M	USD	Annual
Income Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$68.05M	USD	Annual
Income Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$73.02M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$26.91M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$28.34M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$14.31M	USD	Annual
Net Income	`NetIncomeLoss`	$19.14M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$58.12M	USD	Annual
Net Income	`NetIncomeLoss`	$11.86M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$4.42M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$44.67M	USD	Annual
Net Income	`NetIncomeLoss`	$6.05M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$6.83M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$20.37M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$26.10M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$8.03M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$41.14M	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	15.09M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	15.57M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	16.34M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	15.61M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	15.14M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	16.38M	shares	Annual
Basic (in usd per share)	`EarningsPerShareBasic`	$1.60	USD	1 Quarter
Basic (in usd per share)	`EarningsPerShareBasic`	$2.73	USD	Annual
Basic (in usd per share)	`EarningsPerShareBasic`	$0.37	USD	1 Quarter
Basic (in usd per share)	`EarningsPerShareBasic`	$2.87	USD	Annual
Basic (in usd per share)	`EarningsPerShareBasic`	$0.42	USD	1 Quarter
Basic (in usd per share)	`EarningsPerShareBasic`	$0.73	USD	1 Quarter
Basic (in usd per share)	`EarningsPerShareBasic`	$0.52	USD	1 Quarter
Basic (in usd per share)	`EarningsPerShareBasic`	$3.56	USD	Annual
Basic (in usd per share)	`EarningsPerShareBasic`	$1.17	USD	1 Quarter
Basic (in usd per share)	`EarningsPerShareBasic`	$1.33	USD	1 Quarter
Basic (in usd per share)	`EarningsPerShareBasic`	$0.29	USD	1 Quarter
Diluted (in usd per share)	`EarningsPerShareDiluted`	$2.72	USD	Annual
Diluted (in usd per share)	`EarningsPerShareDiluted`	$3.55	USD	Annual
Diluted (in usd per share)	`EarningsPerShareDiluted`	$1.33	USD	1 Quarter
Diluted (in usd per share)	`EarningsPerShareDiluted`	$0.29	USD	1 Quarter
Diluted (in usd per share)	`EarningsPerShareDiluted`	$0.73	USD	1 Quarter
Diluted (in usd per share)	`EarningsPerShareDiluted`	$0.42	USD	1 Quarter
Diluted (in usd per share)	`EarningsPerShareDiluted`	$1.17	USD	1 Quarter
Diluted (in usd per share)	`EarningsPerShareDiluted`	$0.52	USD	1 Quarter
Diluted (in usd per share)	`EarningsPerShareDiluted`	$0.37	USD	1 Quarter
Diluted (in usd per share)	`EarningsPerShareDiluted`	$1.59	USD	1 Quarter
Diluted (in usd per share)	`EarningsPerShareDiluted`	$2.86	USD	Annual
Cash Dividends Declared Per Share of Common Stock (in usd per share)	`CommonStockDividendsPerShareDeclared`	$1.13	USD	Annual
Cash Dividends Declared Per Share of Common Stock (in usd per share)	`CommonStockDividendsPerShareDeclared`	$1.28	USD	Annual
Cash Dividends Declared Per Share of Common Stock (in usd per share)	`CommonStockDividendsPerShareDeclared`	$1.20	USD	Annual

Cash Flow Statement 118 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$19.14M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$58.12M	USD	Annual
Net Income	`NetIncomeLoss`	$11.86M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$4.42M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$44.67M	USD	Annual
Net Income	`NetIncomeLoss`	$6.05M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$6.83M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$20.37M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$26.10M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$8.03M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$41.14M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$36.60M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$32.16M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$29.97M	USD	Annual
Depreciation and accretion included in operations expenses	`DepreciationAndAccretionIncludedInOtherCosts`	$8.12M	USD	Annual
Depreciation and accretion included in operations expenses	`DepreciationAndAccretionIncludedInOtherCosts`	$7.33M	USD	Annual
Depreciation and accretion included in operations expenses	`DepreciationAndAccretionIncludedInOtherCosts`	$6.98M	USD	Annual
Deferred income taxes, net	`DeferredIncomeTaxExpenseBenefit`	$11.09M	USD	Annual
Deferred income taxes, net	`DeferredIncomeTaxExpenseBenefit`	$31.26M	USD	Annual
Deferred income taxes, net	`DeferredIncomeTaxExpenseBenefit`	$20.52M	USD	Annual
Realized (gain) loss on sale of assets/investments	`GainLossOnDispositionOfAssets1`	$-3.18M	USD	Annual
Realized (gain) loss on sale of assets/investments	`GainLossOnDispositionOfAssets1`	$-695.00K	USD	Annual
Realized (gain) loss on sale of assets/investments	`GainLossOnDispositionOfAssets1`	$340.00K	USD	Annual
Unrealized (gain) loss on investments/commodity contracts	`UnrealizedGainLossOnCommodityContracts`	$1.00M	USD	Annual
Unrealized (gain) loss on investments/commodity contracts	`UnrealizedGainLossOnCommodityContracts`	$385.00K	USD	Annual
Unrealized (gain) loss on investments/commodity contracts	`UnrealizedGainLossOnCommodityContracts`	$-96.00K	USD	Annual
Employee benefits and compensation	`EmployeeBenefitsAndShareBasedCompensation`	$1.24M	USD	Annual
Employee benefits and compensation	`EmployeeBenefitsAndShareBasedCompensation`	$1.58M	USD	Annual
Employee benefits and compensation	`EmployeeBenefitsAndShareBasedCompensation`	$1.89M	USD	Annual
Share-based compensation	`ShareBasedCompensation`	$2.37M	USD	Annual
Share-based compensation	`ShareBasedCompensation`	$2.49M	USD	Annual
Share-based compensation	`ShareBasedCompensation`	$1.94M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$750.00K	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$79.00K	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$-47.00K	USD	Annual
Accounts receivable and accrued revenue	`IncreaseDecreaseInAccountsReceivable`	$27.01M	USD	Annual
Accounts receivable and accrued revenue	`IncreaseDecreaseInAccountsReceivable`	$19.51M	USD	Annual
Accounts receivable and accrued revenue	`IncreaseDecreaseInAccountsReceivable`	$-17.10M	USD	Annual
Propane inventory, storage gas and other inventory	`IncreaseDecreaseInInventories`	$9.04M	USD	Annual
Propane inventory, storage gas and other inventory	`IncreaseDecreaseInInventories`	$2.53M	USD	Annual
Propane inventory, storage gas and other inventory	`IncreaseDecreaseInInventories`	$-1.53M	USD	Annual
Regulatory assets/liabilities, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$2.85M	USD	Annual
Regulatory assets/liabilities, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$7.52M	USD	Annual
Regulatory assets/liabilities, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-3.88M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$1.39M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$759.00K	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$7.00M	USD	Annual
Accounts payable and other accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-11.32M	USD	Annual
Accounts payable and other accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$15.60M	USD	Annual
Accounts payable and other accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$19.60M	USD	Annual
Income taxes receivable (payable)	`IncreaseDecreaseInIncomeTaxesReceivable`	$-8.11M	USD	Annual
Income taxes receivable (payable)	`IncreaseDecreaseInIncomeTaxesReceivable`	$4.97M	USD	Annual
Income taxes receivable (payable)	`IncreaseDecreaseInIncomeTaxesReceivable`	$-2.47M	USD	Annual
Customer deposits and refunds	`IncreaseDecreaseInCustomerDeposits`	$1.98M	USD	Annual
Customer deposits and refunds	`IncreaseDecreaseInCustomerDeposits`	$2.06M	USD	Annual
Customer deposits and refunds	`IncreaseDecreaseInCustomerDeposits`	$5.51M	USD	Annual
Accrued compensation	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$-331.00K	USD	Annual
Accrued compensation	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$2.49M	USD	Annual
Accrued compensation	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$358.00K	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingLiabilities`	$-2.65M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingLiabilities`	$-1.80M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingLiabilities`	$-3.97M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$104.14M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$104.72M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$110.09M	USD	Annual
Property, plant and equipment expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$143.60M	USD	Annual
Property, plant and equipment expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$169.86M	USD	Annual
Property, plant and equipment expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$175.33M	USD	Annual
Proceeds from sale of assets	`ProceedsFromSaleOfProductiveAssets`	$164.00K	USD	Annual
Proceeds from sale of assets	`ProceedsFromSaleOfProductiveAssets`	$174.00K	USD	Annual
Proceeds from sale of assets	`ProceedsFromSaleOfProductiveAssets`	$708.00K	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesGross`	$20.93M	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesGross`	$11.95M	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesGross`	-	USD	Annual
Environmental expenditures	`PaymentsForEnvironmentalLiabilities`	$329.00K	USD	Annual
Environmental expenditures	`PaymentsForEnvironmentalLiabilities`	$174.00K	USD	Annual
Environmental expenditures	`PaymentsForEnvironmentalLiabilities`	$350.00K	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-164.54M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-170.04M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-186.90M	USD	Annual
Common stock dividends	`PaymentsOfDividendsCommonStock`	$17.48M	USD	Annual
Common stock dividends	`PaymentsOfDividendsCommonStock`	$15.92M	USD	Annual
Common stock dividends	`PaymentsOfDividendsCommonStock`	$19.93M	USD	Annual
Issuance of stock for Dividend Reinvestment Plan	`ProceedsFromRepurchaseOfEquity`	$89.00K	USD	Annual
Issuance of stock for Dividend Reinvestment Plan	`ProceedsFromRepurchaseOfEquity`	$813.00K	USD	Annual
Issuance of stock for Dividend Reinvestment Plan	`ProceedsFromRepurchaseOfEquity`	$811.00K	USD	Annual
Proceeds from issuance of common stock, net of expenses	`ProceedsFromIssuanceOfCommonStock`	$57.36M	USD	Annual
Proceeds from issuance of common stock, net of expenses	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from issuance of common stock, net of expenses	`ProceedsFromIssuanceOfCommonStock`	$-10.00K	USD	Annual
Payments Related to Tax Withholding for Share-based Compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$770.00K	USD	Annual
Payments Related to Tax Withholding for Share-based Compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$592.00K	USD	Annual
Payments Related to Tax Withholding for Share-based Compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$692.00K	USD	Annual
Change in cash overdrafts due to outstanding checks	`IncreaseDecreaseInOutstandingChecksFinancingActivities`	$2.45M	USD	Annual
Change in cash overdrafts due to outstanding checks	`IncreaseDecreaseInOutstandingChecksFinancingActivities`	$3.92M	USD	Annual
Change in cash overdrafts due to outstanding checks	`IncreaseDecreaseInOutstandingChecksFinancingActivities`	$1.74M	USD	Annual
Net borrowing under line of credit agreements	`ProceedsFromRepaymentsOfLinesOfCredit`	$82.18M	USD	Annual
Net borrowing under line of credit agreements	`ProceedsFromRepaymentsOfLinesOfCredit`	$39.34M	USD	Annual
Net borrowing under line of credit agreements	`ProceedsFromRepaymentsOfLinesOfCredit`	$32.53M	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$69.81M	USD	Annual
Repayment of long-term debt and capital lease obligation	`RepaymentsOfLongTermDebt`	$12.10M	USD	Annual
Repayment of long-term debt and capital lease obligation	`RepaymentsOfLongTermDebt`	$10.82M	USD	Annual
Repayment of long-term debt and capital lease obligation	`RepaymentsOfLongTermDebt`	$9.15M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$67.22M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$58.10M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$78.24M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$1.32M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-1.72M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$1.44M	USD	Annual
Cash and Cash Equivalents Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$4.18M	USD	Point-in-time
Cash and Cash Equivalents Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$5.61M	USD	Point-in-time
Cash and Cash Equivalents Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$2.85M	USD	Point-in-time
Cash and Cash Equivalents Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$4.57M	USD	Point-in-time
Cash and Cash Equivalents End of Period	`CashAndCashEquivalentsAtCarryingValue`	$2.85M	USD	Point-in-time
Cash and Cash Equivalents End of Period	`CashAndCashEquivalentsAtCarryingValue`	$4.57M	USD	Point-in-time
Cash and Cash Equivalents End of Period	`CashAndCashEquivalentsAtCarryingValue`	$5.61M	USD	Point-in-time
Cash and Cash Equivalents End of Period	`CashAndCashEquivalentsAtCarryingValue`	$4.18M	USD	Point-in-time

Stockholders Equity 55 line items

Line Item	Tag	Value	Unit	Period
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	2.00M	shares	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	2.00M	shares	Point-in-time
Preferred Stock, Par or Stated Value Per Share	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred Stock, Par or Stated Value Per Share	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Shares Held In Trust For Deferred Compensation Plan	`SharesHeldInTrustForDeferredCompensationPlan`	70,631.00	shares	Point-in-time
Shares Held In Trust For Deferred Compensation Plan	`SharesHeldInTrustForDeferredCompensationPlan`	76,745.00	shares	Point-in-time
Shares Held In Trust For Deferred Compensation Plan	`SharesHeldInTrustForDeferredCompensationPlan`	90,961.00	shares	Point-in-time
Dividends Declared	`CommonStockDividendsPerShareDeclared`	$1.28	USD	Annual
Dividends Declared	`CommonStockDividendsPerShareDeclared`	$1.13	USD	Annual
Dividends Declared	`CommonStockDividendsPerShareDeclared`	$1.20	USD	Annual
Shares Issued Under Performance Incentive Plan Withheld For Employee Taxes	`SharesIssuedUnderPerformanceIncentivePlanWithheldForEmployeeTaxes`	10,269.00	shares	Annual
Shares Issued Under Performance Incentive Plan Withheld For Employee Taxes	`SharesIssuedUnderPerformanceIncentivePlanWithheldForEmployeeTaxes`	12,620.00	shares	Annual
Shares Issued Under Performance Incentive Plan Withheld For Employee Taxes	`SharesIssuedUnderPerformanceIncentivePlanWithheldForEmployeeTaxes`	12,031.00	shares	Annual
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$192.06M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$229.14M	USD	Point-in-time
Beginning Balances	`StockholdersEquity`	$358.14M	USD	Point-in-time
Beginning Balances	`StockholdersEquity`	$300.32M	USD	Point-in-time
Beginning Balances	`StockholdersEquity`	$486.29M	USD	Point-in-time
Beginning Balances	`StockholdersEquity`	$446.09M	USD	Point-in-time
Net Income	`NetIncomeLoss`	$41.14M	USD	Annual
Net Income	`NetIncomeLoss`	$8.03M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$20.37M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$6.83M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$6.05M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$26.10M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$4.42M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$11.86M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$44.67M	USD	Annual
Net Income	`NetIncomeLoss`	$58.12M	USD	Annual
Net Income	`NetIncomeLoss`	$19.14M	USD	1 Quarter
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$962.00K	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$606.00K	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-164.00K	USD	Annual
Dividends	`Dividends`	$21.05M	USD	Annual
Dividends	`Dividends`	$17.22M	USD	Annual
Dividends	`Dividends`	$18.85M	USD	Annual
Stock Issued During Period, Value, Dividend Reinvestment Plan	`StockIssuedDuringPeriodValueDividendReinvestmentPlan`	$735.00K	USD	Annual
Proceeds from issuance of common stock, net of expenses	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from issuance of common stock, net of expenses	`ProceedsFromIssuanceOfCommonStock`	$57.36M	USD	Annual
Proceeds from issuance of common stock, net of expenses	`ProceedsFromIssuanceOfCommonStock`	$-10.00K	USD	Annual
Stock Issued During Period, Shares, New Issues	`StockIssuedDuringPeriodSharesNewIssues`	960,488.00	shares	Annual
Stock Issued During Period, Value, Acquisitions	`StockIssuedDuringPeriodValueAcquisitions`	$30.16M	USD	Annual
Stock Issued During The Period Value Retirement Savings Plan And Dividend Reinvestment Plan	`StockIssuedDuringThePeriodValueRetirementSavingsPlanAndDividendReinvestmentPlan`	$2.24M	USD	Annual
Stock Issued During The Period Value Retirement Savings Plan And Dividend Reinvestment Plan	`StockIssuedDuringThePeriodValueRetirementSavingsPlanAndDividendReinvestmentPlan`	$2.23M	USD	Annual
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.66M	USD	Annual
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.56M	USD	Annual
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.80M	USD	Annual
Treasury stock activities	`TreasuryStockActivityAndDeferredCompensationPlanActivityDuringPeriodValue`	-	USD	Annual
Ending Balances	`StockholdersEquity`	$358.14M	USD	Point-in-time
Ending Balances	`StockholdersEquity`	$300.32M	USD	Point-in-time
Ending Balances	`StockholdersEquity`	$486.29M	USD	Point-in-time
Ending Balances	`StockholdersEquity`	$446.09M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.88M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.27M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-5.84M	USD	Point-in-time

Comprehensive Income 35 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$19.14M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$41.14M	USD	Annual
Tax expense recognized on the amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-27.00K	USD	Annual
Net Income	`NetIncomeLoss`	$8.03M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$26.10M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$20.37M	USD	1 Quarter
Tax expense recognized on the amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-31.00K	USD	Annual
Net Income	`NetIncomeLoss`	$6.83M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$6.05M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$44.67M	USD	Annual
Net Income	`NetIncomeLoss`	$4.42M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$11.86M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$58.12M	USD	Annual
Tax expense recognized on the amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-29.00K	USD	Annual
Tax expense recognized on the net gain (loss)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-73.00K	USD	Annual
Tax expense recognized on the net gain (loss)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-178.00K	USD	Annual
Tax expense recognized on the net gain (loss)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-432.00K	USD	Annual
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$496.00K	USD	Annual
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-8.00K	USD	Annual
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-150.00K	USD	Annual
Amortization of prior service cost, net of tax of $(31), $(29) and $(27), respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-40.00K	USD	Annual
Amortization of prior service cost, net of tax of $(31), $(29) and $(27), respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-46.00K	USD	Annual
Amortization of prior service cost, net of tax of $(31), $(29) and $(27), respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-48.00K	USD	Annual
Net gain, net of tax of $432, $178, and $73, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-268.00K	USD	Annual
Net gain, net of tax of $432, $178, and $73, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-663.00K	USD	Annual
Net gain, net of tax of $432, $178, and $73, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-103.00K	USD	Annual
Unrealized (loss)/gain on commodity contract cash flow hedges, net of tax of $(8), $496 and $(150), respectively	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-11.00K	USD	Annual
Unrealized (loss)/gain on commodity contract cash flow hedges, net of tax of $(8), $496 and $(150), respectively	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$742.00K	USD	Annual
Unrealized (loss)/gain on commodity contract cash flow hedges, net of tax of $(8), $496 and $(150), respectively	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-227.00K	USD	Annual
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$962.00K	USD	Annual
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$606.00K	USD	Annual
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-164.00K	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$58.73M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$40.98M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$45.64M	USD	Annual

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