$RGCO
RGC RESOURCES INC Stock $rgco

$rgco Overview Financials Valuation SEC Filings Company Website

2019 Form 10-K Financial Statement

#000106953319000048 Filed on December 03, 2019

Income Statement

Concept	2019	2018 Q3	2018 Q2
Revenue	$68.03M	$9.971M	$11.89M
YoY Change	3.8%	-1.98%	3.97%
Cost Of Revenue	$32.80M	$4.120M	$5.050M
YoY Change	0.0%	-2.37%	5.21%
Gross Profit	$35.20M	$5.850M	$6.840M
YoY Change	7.65%	-1.75%	3.1%
Gross Profit Margin	51.74%	58.67%	57.53%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$7.601M	$1.790M	$1.770M
YoY Change	7.2%	12.58%	11.32%
% of Gross Profit	21.59%	30.6%	25.88%
Operating Expenses	$23.60M	$5.140M	$5.000M
YoY Change	10.8%	10.3%	-5.84%
Operating Profit	$11.60M	$714.3K	$1.836M
YoY Change	1.09%	-6.82%	38.2%
Interest Expense	$3.619M	-$280.0K	$583.6K
YoY Change	47.0%	-28.21%	23.56%
% of Operating Profit	31.21%	-39.2%	31.79%
Other Income/Expense, Net	$351.9K	$150.0K	$36.86K
YoY Change	43.7%	-123.44%	-521.8%
Pretax Income	$11.35M	$590.0K	$1.534M
YoY Change	11.35%	118.52%	59.99%
Income Tax	$2.651M	-$100.0K	$446.6K
% Of Pretax Income	23.36%	-16.95%	29.11%
Net Earnings	$8.698M	$684.5K	$1.087M
YoY Change	19.2%	328.09%	76.64%
Net Earnings / Revenue	12.79%	6.86%	9.15%
Basic Earnings Per Share	$1.08	$0.09	$0.14
Diluted Earnings Per Share	$1.08	$0.09	$0.14
COMMON SHARES
Basic Shares Outstanding	8.039M shares	7.987M shares	7.982M shares
Diluted Shares Outstanding	8.079M shares		8.031M shares

Balance Sheet

Concept	2019	2018 Q3	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.600M	$200.0K	$1.200M
YoY Change	700.0%	100.0%	50.0%
Cash & Equivalents	$1.600M	$247.4K	$1.201M
Short-Term Investments
Other Short-Term Assets	$3.500M	$688.0K	$1.479M
YoY Change	16.67%	-56.36%	16.15%
Inventory	$7.500M	$8.500M	$6.100M
Prepaid Expenses
Receivables	$3.900M	$3.744M	$4.028M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$16.40M	$15.54M	$13.14M
YoY Change	5.81%	-0.9%	0.14%
LONG-TERM ASSETS
Property, Plant & Equipment	$182.0M	$166.0M	$161.1M
YoY Change	9.64%	12.24%	11.1%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$47.40M	$28.50M	$22.00M
YoY Change	66.32%	285.14%	285.96%
Other Assets	$12.60M	$472.7K	$484.7K
YoY Change	32.63%	148.73%	318.87%
Total Long-Term Assets	$242.0M	$38.05M	$34.51M
YoY Change	18.57%	94.92%	68.8%
TOTAL ASSETS
Total Short-Term Assets	$16.40M	$15.54M	$13.14M
Total Long-Term Assets	$242.0M	$38.05M	$34.51M
Total Assets	$258.4M	$219.6M	$208.8M
YoY Change	17.67%	19.89%	16.93%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$4.500M	$5.211M	$6.789M
YoY Change	-13.46%	1.72%	18.47%
Accrued Expenses	$3.400M	$3.080M	$2.488M
YoY Change	9.68%	2.44%	0.13%
Deferred Revenue		$1.004M
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$21.60M	$24.09M	$24.55M
YoY Change	-10.37%	67.7%	56.15%
LONG-TERM LIABILITIES
Long-Term Debt	$103.4M	$70.32M	$57.05M
YoY Change	47.08%	14.7%	7.48%
Other Long-Term Liabilities	$37.30M	$33.00M	$36.10M
YoY Change	13.03%	35.8%	22.79%
Total Long-Term Liabilities	$140.7M	$45.56M	$47.72M
YoY Change	36.21%	-3.91%	-4.67%
TOTAL LIABILITIES
Total Short-Term Liabilities	$21.60M	$24.09M	$24.55M
Total Long-Term Liabilities	$140.7M	$45.56M	$47.72M
Total Liabilities	$175.3M	$69.66M	$72.27M
YoY Change	25.21%	12.74%	9.87%
SHAREHOLDERS EQUITY
Retained Earnings		$27.44M	$27.76M
YoY Change		10.88%	8.28%
Common Stock		$53.02M	$52.76M
YoY Change		45.26%	45.19%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$83.10M	$79.58M	$79.43M
YoY Change
Total Liabilities & Shareholders Equity	$258.4M	$219.6M	$208.8M
YoY Change	17.67%	19.89%	16.93%

Cashflow Statement

Concept	2019	2018 Q3	2018 Q2
OPERATING ACTIVITIES
Net Income	$8.698M	$684.5K	$1.087M
YoY Change	19.2%	328.09%	76.64%
Depreciation, Depletion And Amortization	$7.601M	$1.790M	$1.770M
YoY Change	7.2%	12.58%	11.32%
Cash From Operating Activities	$14.70M	-$360.0K	$3.210M
YoY Change	8.84%	-87.0%	-21.9%
INVESTING ACTIVITIES
Capital Expenditures	$21.88M	-$7.200M	-$6.020M
YoY Change	-6.04%	67.44%	19.21%
Acquisitions
YoY Change
Other Investing Activities	-$20.95M	-$5.680M	-$1.410M
YoY Change	92.56%	497.89%	60.23%
Cash From Investing Activities	-$42.83M	-$12.87M	-$7.450M
YoY Change	25.36%	145.14%	25.63%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$1.747M
YoY Change	-89.43%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$29.52M	12.27M	590.0K
YoY Change	41.63%	67.39%	-71.08%
NET CHANGE
Cash From Operating Activities	$14.70M	-360.0K	3.210M
Cash From Investing Activities	-$42.83M	-12.87M	-7.450M
Cash From Financing Activities	$29.52M	12.27M	590.0K
Net Change In Cash	$1.384M	-960.0K	-3.650M
YoY Change	678.49%	39.13%	-1759.09%
FREE CASH FLOW
Cash From Operating Activities	$14.70M	-$360.0K	$3.210M
Capital Expenditures	$21.88M	-$7.200M	-$6.020M
Free Cash Flow	-$7.187M	$6.840M	$9.230M
YoY Change	-26.57%	347.06%	0.76%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0001069533
CY2019Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	8081123	shares
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2019Q1	dei	Entity Public Float EntityPublicFloat	199858266	USD
CY2019	dei	Entity Registrant Name EntityRegistrantName	RGC RESOURCES INC
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019	dei	Entity Small Business EntitySmallBusiness	true
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2017	rgco	Accounts Payable Customer Credits And Accrued Expenses Net AccountsPayableCustomerCreditsAndAccruedExpensesNet	-1374713	USD
CY2018	rgco	Accounts Payable Customer Credits And Accrued Expenses Net AccountsPayableCustomerCreditsAndAccruedExpensesNet	-25902	USD
CY2019	rgco	Accounts Payable Customer Credits And Accrued Expenses Net AccountsPayableCustomerCreditsAndAccruedExpensesNet	-2745377	USD
CY2018Q3	rgco	Accrual Of Estimated Revenues For Natural Gas Delivered To Customers But Not Billed During Period AccrualOfEstimatedRevenuesForNaturalGasDeliveredToCustomersButNotBilledDuringPeriod	911657	USD
CY2019Q3	rgco	Accrual Of Estimated Revenues For Natural Gas Delivered To Customers But Not Billed During Period AccrualOfEstimatedRevenuesForNaturalGasDeliveredToCustomersButNotBilledDuringPeriod	1236384	USD
CY2018Q2	rgco	Asset Management Contract Term AssetManagementContractTerm	P3Y
CY2018Q3	rgco	Capital Contributions Payable CapitalContributionsPayable	10142766	USD
CY2019Q3	rgco	Capital Contributions Payable CapitalContributionsPayable	5024824	USD
CY2017	rgco	Changein Investmentin Unconsolidated Affiliate ChangeinInvestmentinUnconsolidatedAffiliate	3948702	USD
CY2018	rgco	Changein Investmentin Unconsolidated Affiliate ChangeinInvestmentinUnconsolidatedAffiliate	21062040	USD
CY2019	rgco	Changein Investmentin Unconsolidated Affiliate ChangeinInvestmentinUnconsolidatedAffiliate	18868313	USD
CY2017	rgco	Cost Of Plant Retirement CostOfPlantRetirement	354744	USD
CY2018	rgco	Cost Of Plant Retirement CostOfPlantRetirement	288222	USD
CY2019	rgco	Cost Of Plant Retirement CostOfPlantRetirement	443586	USD
CY2017	rgco	Cost Of Revenue And Operating Expenses CostOfRevenueAndOperatingExpenses	50104128	USD
CY2018	rgco	Cost Of Revenue And Operating Expenses CostOfRevenueAndOperatingExpenses	54064229	USD
CY2019	rgco	Cost Of Revenue And Operating Expenses CostOfRevenueAndOperatingExpenses	56431061	USD
CY2019	rgco	Debt Instrument Debt Covenant Ratioof Longterm Debtto Total Capitalization Maximum DebtInstrumentDebtCovenantRatioofLongtermDebttoTotalCapitalizationMaximum	0.65
CY2019	rgco	Deferred Charges Amortization Period DeferredChargesAmortizationPeriod	P12M
CY2018Q3	rgco	Deferred Tax Asset Regulatory Effect Of Tax Cuts And Jobs Act Of2017 DeferredTaxAssetRegulatoryEffectOfTaxCutsAndJobsActOf2017	2946649	USD
CY2019Q3	rgco	Deferred Tax Asset Regulatory Effect Of Tax Cuts And Jobs Act Of2017 DeferredTaxAssetRegulatoryEffectOfTaxCutsAndJobsActOf2017	2867383	USD
CY2018Q3	rgco	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions And Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionsAndPostretirementBenefits	897834	USD
CY2019Q3	rgco	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions And Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionsAndPostretirementBenefits	782592	USD
CY2018Q3	rgco	Deferred Tax Assets Tax Deferred Expense Costs Of Gas Held In Storage DeferredTaxAssetsTaxDeferredExpenseCostsOfGasHeldInStorage	591899	USD
CY2019Q3	rgco	Deferred Tax Assets Tax Deferred Expense Costs Of Gas Held In Storage DeferredTaxAssetsTaxDeferredExpenseCostsOfGasHeldInStorage	590495	USD
CY2018Q3	rgco	Deferred Tax Assets Tax Deferred Expense Customer Refund Liability DeferredTaxAssetsTaxDeferredExpenseCustomerRefundLiability	339812	USD
CY2019Q3	rgco	Deferred Tax Assets Tax Deferred Expense Customer Refund Liability DeferredTaxAssetsTaxDeferredExpenseCustomerRefundLiability	130063	USD
CY2019Q3	rgco	Defined Benefit Plan Amortization Of Net Gains Losses Regulatory Deferral DefinedBenefitPlanAmortizationOfNetGainsLossesRegulatoryDeferral	603000	USD
CY2019	rgco	Effect Of Change In Deprecation Rate On Depreciation Expense EffectOfChangeInDeprecationRateOnDepreciationExpense	-32570	USD
CY2018	rgco	Tax Cuts And Jobs Act Of2017 Effect On Revenues From Contract With Customer TaxCutsAndJobsActOf2017EffectOnRevenuesFromContractWithCustomer	1320167	USD
CY2019	rgco	Effect Of Changein Depreciation Rateon Net Income EffectOfChangeinDepreciationRateonNetIncome	24187	USD
CY2019	rgco	Effective Income Tax Rate Reconciliation At Federal Statutory Stateand Local Income Taxes EffectiveIncomeTaxRateReconciliationAtFederalStatutoryStateandLocalIncomeTaxes	0.2574
CY2019	rgco	Effectof Changein Deprecation Rateon Eps EffectofChangeinDeprecationRateonEPS	0.01
CY2019Q3	rgco	Energy Purchase Obligation Due In Next Twelve Months EnergyPurchaseObligationDueInNextTwelveMonths	2071061	MMBTU
CY2019Q3	rgco	Energy Purchase Obligation Due In Second Year EnergyPurchaseObligationDueInSecondYear	295866	MMBTU
CY2019Q3	rgco	Energy Purchase Obligation Due Total EnergyPurchaseObligationDueTotal	2366927	MMBTU
CY2019	rgco	Franchise Agreement Term FranchiseAgreementTerm	P20Y
CY2019	rgco	Franchise Fee Annual Increase FranchiseFeeAnnualIncrease	0.03
CY2019	rgco	Franchise Fee Total Cost Through End Of Agreement FranchiseFeeTotalCostThroughEndOfAgreement	2405109	USD
CY2017	rgco	Increase Decrease In Accounts Receivable Net Of Customer Deposits IncreaseDecreaseInAccountsReceivableNetOfCustomerDeposits	191386	USD
CY2018	rgco	Increase Decrease In Accounts Receivable Net Of Customer Deposits IncreaseDecreaseInAccountsReceivableNetOfCustomerDeposits	476161	USD
CY2019	rgco	Increase Decrease In Accounts Receivable Net Of Customer Deposits IncreaseDecreaseInAccountsReceivableNetOfCustomerDeposits	122165	USD
CY2019	rgco	Increase Decrease In Contract With Customer Refund Liability IncreaseDecreaseInContractWithCustomerRefundLiability	10988	USD
CY2017	rgco	Increase Decrease In Other Operating Assets And Other Regulatory Assets IncreaseDecreaseInOtherOperatingAssetsAndOtherRegulatoryAssets	956894	USD
CY2018	rgco	Increase Decrease In Other Operating Assets And Other Regulatory Assets IncreaseDecreaseInOtherOperatingAssetsAndOtherRegulatoryAssets	138332	USD
CY2019	rgco	Increase Decrease In Other Operating Assets And Other Regulatory Assets IncreaseDecreaseInOtherOperatingAssetsAndOtherRegulatoryAssets	156799	USD
CY2017	rgco	Net Amortization Of Excess Deferred Taxes On Regulated Operations NetAmortizationOfExcessDeferredTaxesOnRegulatedOperations	0	USD
CY2018	rgco	Net Amortization Of Excess Deferred Taxes On Regulated Operations NetAmortizationOfExcessDeferredTaxesOnRegulatedOperations	264106	USD
CY2019	rgco	Net Amortization Of Excess Deferred Taxes On Regulated Operations NetAmortizationOfExcessDeferredTaxesOnRegulatedOperations	212896	USD
CY2017	rgco	Noncash Increase Decrease In Unconsolidated Affilliate NoncashIncreaseDecreaseInUnconsolidatedAffilliate	767710	USD
CY2018	rgco	Noncash Increase Decrease In Unconsolidated Affilliate NoncashIncreaseDecreaseInUnconsolidatedAffilliate	9087262	USD
CY2019	rgco	Noncash Increase Decrease In Unconsolidated Affilliate NoncashIncreaseDecreaseInUnconsolidatedAffilliate	-5117942	USD
CY2019Q3	rgco	Number Of Customers NumberOfCustomers	60700	customer
CY2019	rgco	Number Of Pipelines NumberOfPipelines	2	pipeline
CY2017	rgco	Other Comprehensive Income Amortizationof Defined Benefit Plan Recognizedin Net Periodic Pension Cost Tax OtherComprehensiveIncomeAmortizationofDefinedBenefitPlanRecognizedinNetPeriodicPensionCostTax	-97369	USD
CY2018	rgco	Other Comprehensive Income Amortizationof Defined Benefit Plan Recognizedin Net Periodic Pension Cost Tax OtherComprehensiveIncomeAmortizationofDefinedBenefitPlanRecognizedinNetPeriodicPensionCostTax	6890	USD
CY2019	rgco	Other Comprehensive Income Amortizationof Defined Benefit Plan Recognizedin Net Periodic Pension Cost Tax OtherComprehensiveIncomeAmortizationofDefinedBenefitPlanRecognizedinNetPeriodicPensionCostTax	2652	USD
CY2017	rgco	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansRecognizedInNetPeriodicBenefitCostBeforeTax	-256234	USD
CY2018	rgco	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansRecognizedInNetPeriodicBenefitCostBeforeTax	23887	USD
CY2019	rgco	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansRecognizedInNetPeriodicBenefitCostBeforeTax	10305	USD
CY2017	rgco	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansRecognizedInNetPeriodicPensionCostNetOfTax	-158865	USD
CY2018	rgco	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansRecognizedInNetPeriodicPensionCostNetOfTax	16997	USD
CY2019	rgco	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansRecognizedInNetPeriodicPensionCostNetOfTax	7653	USD
CY2018Q3	rgco	Public Utilities Property Plant And Equipment In Service Net PublicUtilitiesPropertyPlantAndEquipmentInServiceNet	161755014	USD
CY2019Q3	rgco	Public Utilities Property Plant And Equipment In Service Net PublicUtilitiesPropertyPlantAndEquipmentInServiceNet	170579630	USD
CY2018Q3	rgco	Public Utilities Property Plant And Equipment Liquefied Natural Gas PublicUtilitiesPropertyPlantAndEquipmentLiquefiedNaturalGas	13413175	USD
CY2019Q3	rgco	Public Utilities Property Plant And Equipment Liquefied Natural Gas PublicUtilitiesPropertyPlantAndEquipmentLiquefiedNaturalGas	13417077	USD
CY2018Q3	rgco	Public Utilities Property Plant And Equipment Other Property Plant And Equipment Gross PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipmentGross	14662599	USD
CY2019Q3	rgco	Public Utilities Property Plant And Equipment Other Property Plant And Equipment Gross PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipmentGross	15198548	USD
CY2018Q3	rgco	Regulatory Cost Of Retirement Obligations RegulatoryCostOfRetirementObligations	11163981	USD
CY2019Q3	rgco	Regulatory Cost Of Retirement Obligations RegulatoryCostOfRetirementObligations	11892352	USD
CY2018Q3	rgco	Regulatory Liability Noncurrent Gross RegulatoryLiabilityNoncurrentGross	29029665	USD
CY2019Q3	rgco	Regulatory Liability Noncurrent Gross RegulatoryLiabilityNoncurrentGross	29615469	USD
CY2019	rgco	Regulatory Utility Assets Provision Period RegulatoryUtilityAssetsProvisionPeriod	P5Y
CY2017	rgco	Revenue From Alternative Revenue Programs RevenueFromAlternativeRevenuePrograms	1781540	USD
CY2018	rgco	Revenue From Alternative Revenue Programs RevenueFromAlternativeRevenuePrograms	-430299	USD
CY2019	rgco	Revenue From Alternative Revenue Programs RevenueFromAlternativeRevenuePrograms	385445	USD
CY2018	rgco	Tax Cuts And Jobs Act Of2017 Decrease In Deferred Tax Liability TaxCutsAndJobsActOf2017DecreaseInDeferredTaxLiability	9000000	USD
CY2019	rgco	Tax Cuts And Jobs Act Of2017 Effect On Revenues From Contract With Customer TaxCutsAndJobsActOf2017EffectOnRevenuesFromContractWithCustomer	523881	USD
CY2018	rgco	Tax Cuts And Jobs Act Of2017 Gross Up To Pre Tax Basis TaxCutsAndJobsActOf2017GrossUpToPreTaxBasis	3000000	USD
CY2018	rgco	Tax Cuts And Jobs Act Of2017 Reclassification Adjustment Tax Effect TaxCutsAndJobsActOf2017ReclassificationAdjustmentTaxEffect	20285	USD
CY2018	rgco	Tax Cutsand Jobs Actof2017 Estimated Accounting Changein Tax Rate Regulatory Liability TaxCutsandJobsActof2017EstimatedAccountingChangeinTaxRateRegulatoryLiability	11800000	USD
CY2019	rgco	Unamortized Losson Early Retirementof Debt Amortization Period UnamortizedLossonEarlyRetirementofDebtAmortizationPeriod	P20Y
CY2018Q3	rgco	Unamortizedlossonearlyretirementofdebtdeferredasregulatoryasset Unamortizedlossonearlyretirementofdebtdeferredasregulatoryasset	1826995	USD
CY2019Q3	rgco	Unamortizedlossonearlyretirementofdebtdeferredasregulatoryasset Unamortizedlossonearlyretirementofdebtdeferredasregulatoryasset	1712808	USD
CY2018Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	5211032	USD
CY2019Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	4483233	USD
CY2018Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3744228	USD
CY2019Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3870211	USD
CY2018Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	3080432	USD
CY2019Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	3448000	USD
CY2018Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-871668	USD
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CY2018Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	13043656	USD
CY2019Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	14397072	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	96508	USD
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CY2017	us-gaap	Adjustments To Additional Paid In Capital Stock Split AdjustmentsToAdditionalPaidInCapitalStockSplit	0	USD
CY2017	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	6748113	USD
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CY2016Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	76934	USD
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CY2018Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	103573	USD
CY2019Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	110743	USD
CY2017	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	110725	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	78919	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	96614	USD
CY2017	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	172790	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	243898	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	309483	USD
CY2018	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	332537	USD
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	370844	USD
CY2018	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	79608	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	177646	USD
CY2018	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	126907	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	177755	USD
CY2018	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	62717	USD
CY2019	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	0	USD
CY2017Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	6069993	USD
CY2018Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	6417948	USD
CY2019Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	6788683	USD
CY2017Q3	us-gaap	Assets Assets	183135071	USD
CY2018Q3	us-gaap	Assets Assets	219560106	USD
CY2019Q3	us-gaap	Assets Assets	258353696	USD
CY2018Q3	us-gaap	Assets Current AssetsCurrent	15544602	USD
CY2019Q3	us-gaap	Assets Current AssetsCurrent	16385192	USD
CY2018Q3	us-gaap	Assets Noncurrent AssetsNoncurrent	38051876	USD
CY2019Q3	us-gaap	Assets Noncurrent AssetsNoncurrent	59965548	USD
CY2016Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	643252	USD
CY2017Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	69640	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	247411	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1631348	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-573612	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	177771	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1383937	USD
CY2018Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.58
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.62
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.66
CY2018Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2019Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2018Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	10000000	shares
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	10000000	shares
CY2018Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	7994615	shares
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8073264	shares
CY2018Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	7994615	shares
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	8073264	shares
CY2018Q3	us-gaap	Common Stock Value CommonStockValue	39973075	USD
CY2019Q3	us-gaap	Common Stock Value CommonStockValue	40366320	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	7527832	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	7841853	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	7081163	USD
CY2018Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	911657	USD
CY2019Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	1236384	USD
CY2018Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1003622	USD
CY2019Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	880295	USD
CY2018Q3	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	1421043	USD
CY2019Q3	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	1432031	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	72368	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1831085	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1698215	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	480011	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2139142	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1966703	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	407643	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	308057	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	268488	USD
CY2018Q3	us-gaap	Customer Refund Liability Current CustomerRefundLiabilityCurrent	0	USD
CY2018Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	70604217	USD
CY2019Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	103684673	USD
CY2019	us-gaap	Debt Instrument Term DebtInstrumentTerm	P20Y
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	3129925	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	440282	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	272079	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3325379	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	755994	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	684028	USD
CY2018Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	18563402	USD
CY2019Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	18847728	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	195454	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	315712	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	411949	USD
CY2018Q3	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	0	USD
CY2019Q3	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	230204	USD
CY2018Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	5977825	USD
CY2019Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	5869205	USD
CY2018Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	298129	USD
CY2019Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	261125	USD
CY2018Q3	us-gaap	Deferred Tax Assets Regulatory Assets And Liabilities DeferredTaxAssetsRegulatoryAssetsAndLiabilities	0	USD
CY2019Q3	us-gaap	Deferred Tax Assets Regulatory Assets And Liabilities DeferredTaxAssetsRegulatoryAssetsAndLiabilities	23979	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Compensated Absences DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences	160001	USD
CY2019Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Compensated Absences DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences	150882	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	716843	USD
CY2019Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	803979	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	26658	USD
CY2019Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	28503	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	245678	USD
CY2019Q3	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	705193	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	12585577	USD
CY2019Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	12978523	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	79939	USD
CY2019Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	10513	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	17982215	USD
CY2019Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	18132022	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Regulatory Assets And Liabilities DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities	255570	USD
CY2019Q3	us-gaap	Deferred Tax Liabilities Regulatory Assets And Liabilities DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities	0	USD
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	2387000	USD
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	109000	USD
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	2954000	USD
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	136000	USD
CY2019Q3	us-gaap	Defined Benefit Plan Expected Amortization Next Fiscal Year DefinedBenefitPlanExpectedAmortizationNextFiscalYear	90000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	361702	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	338066	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	348369	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	6256737	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	6956344	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	7454274	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6378368	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7090169	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7600852	USD
CY2018Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	100723	USD
CY2019Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	0	USD
CY2018Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	209840	USD
CY2019Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	0	USD
CY2018Q3	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	0	USD
CY2019Q3	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	147556	USD
CY2018Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	0	USD
CY2019Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	746785	USD
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	4195910	USD
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	4839514	USD
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	5314544	USD
CY2018Q3	us-gaap	Dividends Payable Current DividendsPayableCurrent	1242753	USD
CY2019Q3	us-gaap	Dividends Payable Current DividendsPayableCurrent	1339522	USD
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.86
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.28
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.47
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.14
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.09
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.95
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.30
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.14
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.06
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.08
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.86
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.28
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.47
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.09
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.95
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.30
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.06
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.08
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.34
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.243
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-26421	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-68364	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-96499	USD
CY2018Q3	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	7627196	USD
CY2019Q3	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	6448307	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	10038255	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	10192341	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	11349143	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	421646	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	938531	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3020348	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3805390	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2895136	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2650731	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	3413007	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2476739	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2383320	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	20760	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	22230	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	39261	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	398044	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	472193	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	537545	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	726000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1180000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2287000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	324727	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-123327	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	462161	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-182000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1070896	USD
CY2017	us-gaap	Increase Decrease In Regulatory Liabilities IncreaseDecreaseInRegulatoryLiabilities	528387	USD
CY2018	us-gaap	Increase Decrease In Regulatory Liabilities IncreaseDecreaseInRegulatoryLiabilities	-117907	USD
CY2019	us-gaap	Increase Decrease In Regulatory Liabilities IncreaseDecreaseInRegulatoryLiabilities	2643589	USD
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	37360	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	46687	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	39466	shares
CY2017	us-gaap	Interest Expense InterestExpense	1917254	USD
CY2018	us-gaap	Interest Expense InterestExpense	2461565	USD
CY2019	us-gaap	Interest Expense InterestExpense	3618551	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	1734178	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	2137782	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	3328130	USD
CY2018Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	28507146	USD
CY2019Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	47375459	USD
CY2018Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	219560106	USD
CY2019Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	258353696	USD
CY2018Q3	us-gaap	Liabilities Current LiabilitiesCurrent	24091849	USD
CY2019Q3	us-gaap	Liabilities Current LiabilitiesCurrent	21633064	USD
CY2018Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	45563209	USD
CY2019Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	50252882	USD
CY2017	us-gaap	Line Of Credit Facility Average Outstanding Amount LineOfCreditFacilityAverageOutstandingAmount	10936114	USD
CY2018	us-gaap	Line Of Credit Facility Average Outstanding Amount LineOfCreditFacilityAverageOutstandingAmount	6730334	USD
CY2019	us-gaap	Line Of Credit Facility Average Outstanding Amount LineOfCreditFacilityAverageOutstandingAmount	6049527	USD
CY2017Q3	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	21000000	USD
CY2018Q3	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	20000000	USD
CY2019Q3	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	22000000	USD
CY2017Q3	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0223
CY2018Q3	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0326
CY2019Q3	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0302
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	62500000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	10000000	USD
CY2017	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0192
CY2018	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0253
CY2019	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0340
CY2017	us-gaap	Line Of Credit Facility Maximum Monthend Outstanding Amount LineOfCreditFacilityMaximumMonthendOutstandingAmount	17791760	USD
CY2018	us-gaap	Line Of Credit Facility Maximum Monthend Outstanding Amount LineOfCreditFacilityMaximumMonthendOutstandingAmount	17054377	USD
CY2019	us-gaap	Line Of Credit Facility Maximum Monthend Outstanding Amount LineOfCreditFacilityMaximumMonthendOutstandingAmount	15801798	USD
CY2017	us-gaap	Line Of Credit Facility Unused Capacity Commitment Fee Percentage LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage	0.0015
CY2018	us-gaap	Line Of Credit Facility Unused Capacity Commitment Fee Percentage LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage	0.0015
CY2019	us-gaap	Line Of Credit Facility Unused Capacity Commitment Fee Percentage LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage	0.0015
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	7000000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	24184673	USD
CY2018Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	70321936	USD
CY2019Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	103371358	USD
CY2017Q3	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	17791760	USD
CY2018Q3	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	7361017	USD
CY2019Q3	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	8172473	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	9937965	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	20840554	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	29516238	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-23492555	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-34166578	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-42830005	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12980978	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	13503795	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	14697704	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	6232865	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	2059462	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	3465929	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	1087355	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	684459	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	7297205	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	2434162	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	4670090	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	1138555	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	455605	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	8698412	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	12192742	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	3644491	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	5276085	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	1835590	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	714341	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	64835	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	11470507	USD
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	3264222	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	6203483	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	1637057	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	490702	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	11595464	USD
CY2018Q3	us-gaap	Other Assets Current OtherAssetsCurrent	687972	USD
CY2019Q3	us-gaap	Other Assets Current OtherAssetsCurrent	733525	USD
CY2018Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	472743	USD
CY2019Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	411236	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-1971739	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-571683	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	972917	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-1222478	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-406798	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	722488	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	1063613	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	423795	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-714835	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	651892	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	171775	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-247777	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-749261	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-164885	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	250429	USD
CY2017	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	2088582	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	765403	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-2177821	USD
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	116843	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	193720	USD
CY2019	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	-1204904	USD
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	72489	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	137850	USD
CY2019	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-894761	USD
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	44354	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	55870	USD
CY2019	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-310143	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1294967	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	544648	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1617249	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	1715505	USD
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CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	24053	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	87309	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	17116	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	6937	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	22474	USD
CY2017	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	793615	USD
CY2017	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	9916000	USD
CY2018	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	19431000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	220755	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-560572	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	116843	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	217773	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-1117595	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	72489	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	154966	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-829926	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	44354	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	62807	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-287669	USD
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CY2019Q3	us-gaap	Other Inventory OtherInventory	1021882	USD
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CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-163482	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-488202	USD
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CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	244868	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	351882	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	64835	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	32678	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	93104	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	4115873	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	4647042	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	5217775	USD
CY2017	us-gaap	Payments To Acquire Additional Interest In Subsidiaries PaymentsToAcquireAdditionalInterestInSubsidiaries	2759346	USD
CY2018	us-gaap	Payments To Acquire Additional Interest In Subsidiaries PaymentsToAcquireAdditionalInterestInSubsidiaries	11036247	USD
CY2019	us-gaap	Payments To Acquire Additional Interest In Subsidiaries PaymentsToAcquireAdditionalInterestInSubsidiaries	20965907	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	20750181	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	23290994	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	21884317	USD
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CY2019Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2018Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
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CY2019Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
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CY2019Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2018Q3	us-gaap	Prepaid Taxes PrepaidTaxes	837683	USD
CY2019Q3	us-gaap	Prepaid Taxes PrepaidTaxes	1157980	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	967698	USD
CY2019	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	56269000	USD
CY2017	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	42569303	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	29814468	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	33735144	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	16520016	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1746661	USD
CY2018	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0332
CY2019	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0331
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CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	32923688	USD
CY2017	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	USD
CY2018	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	16972	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	160663	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	20219	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	142241	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	19945	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	412179	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	84587	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	169096	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	220039	USD
CY2018Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	63099306	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	67207334	USD
CY2018Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	4208614	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	11423326	USD
CY2017	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0329
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	182002956	USD
CY2018Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	224854320	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	237786964	USD
CY2018Q3	us-gaap	Public Utilities Property Plant And Equipment Transmission And Distribution PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution	196778546	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Transmission And Distribution PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution	209171339	USD
CY2019Q3	us-gaap	Purchase Obligation PurchaseObligation	50784588	USD
CY2019Q3	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	3916965	USD
CY2019Q3	us-gaap	Purchase Obligation Due In Fifth Year PurchaseObligationDueInFifthYear	5593093	USD
CY2019Q3	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	7351348	USD
CY2019Q3	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	11532130	USD
CY2019Q3	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	11532130	USD
CY2019Q3	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	10858922	USD
CY2018Q3	us-gaap	Regulatory Assets RegulatoryAssets	10259592	USD
CY2019Q3	us-gaap	Regulatory Assets RegulatoryAssets	13712737	USD
CY2018Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	1385500	USD
CY2019Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	1521939	USD
CY2018Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	8862147	USD
CY2019Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	12178853	USD
CY2018Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	31019866	USD
CY2019Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	34493072	USD
CY2018Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	1990201	USD
CY2019Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	4877603	USD
CY2018Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	11447736	USD
CY2019Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	10934434	USD
CY2019Q3	us-gaap	Remaining Amounts Of Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided	13700792	USD
CY2017	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	39334328	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	40245210	USD
CY2018Q4	us-gaap	Revenues Revenues	21216747	USD
CY2019Q1	us-gaap	Revenues Revenues	25274959	USD
CY2019Q2	us-gaap	Revenues Revenues	11682950	USD
CY2019	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	24000000	USD
CY2018Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	27438049	USD
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	30821917	USD
CY2018Q3	us-gaap	Retained Earnings Undistributed Earnings From Equity Method Investees RetainedEarningsUndistributedEarningsFromEquityMethodInvestees	1024266	USD
CY2019Q3	us-gaap	Retained Earnings Undistributed Earnings From Equity Method Investees RetainedEarningsUndistributedEarningsFromEquityMethodInvestees	3267176	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	60515330	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	65965035	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	67641080	USD
CY2017	us-gaap	Revenues Revenues	62296870	USD
CY2017Q4	us-gaap	Revenues Revenues	18756051	USD
CY2018Q1	us-gaap	Revenues Revenues	24917973	USD
CY2018Q2	us-gaap	Revenues Revenues	11889570	USD
CY2018Q3	us-gaap	Revenues Revenues	9971142	USD
CY2018	us-gaap	Revenues Revenues	65534736	USD
CY2019Q3	us-gaap	Revenues Revenues	9851869	USD
CY2019	us-gaap	Revenues Revenues	68026525	USD
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CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
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CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	25500	shares
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CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0.00
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0.00
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	200211	USD
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1448338	USD
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1237286	USD
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	981170	USD
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	87300	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	101575	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	100000	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	68492	shares
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.50
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.31
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.34
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.91
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	68492	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	14.91
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	981170	USD
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.67
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.66
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	13.08
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0.00
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0.00
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0.00
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0.00
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0.00
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0.00
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	16.37
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P10Y
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y10M
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y7M
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y7M
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y2M
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P6Y2M
CY2018Q1	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	700000	shares
CY2017	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	47187	shares
CY2018	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	752194	shares
CY2019	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	47141	shares
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	11225	shares
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1575	shares
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	31508	shares
CY2017	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	921965	USD
CY2018	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	17490530	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1334482	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	73780	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	142241	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	19945	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	412179	USD
CY2017	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	73780	USD
CY2018	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	0	USD
CY2019	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	0	USD
CY2016Q3	us-gaap	Stockholders Equity StockholdersEquity	55667072	USD
CY2017Q3	us-gaap	Stockholders Equity StockholdersEquity	60040472	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	79583112	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	83096392	USD
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit	0	USD
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit	260000	USD
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit	256444	USD
CY2019	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit	0	USD
CY2017	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	1786070	USD
CY2018	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	1878010	USD
CY2019	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	2066794	USD
CY2018Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	282281	USD
CY2019Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	313315	USD
CY2018Q3	us-gaap	Unrecovered Costs For Purchased Gas Amount UnrecoveredCostsForPurchasedGasAmount	0	USD
CY2018Q3	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	63243200	USD
CY2019Q3	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	95512200	USD
CY2017	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	12573608	USD
CY2018	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	12471428	USD
CY2019	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	14089019	USD
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	7256046	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	7695712	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8078950	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	7218686	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	7649025	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8039484	shares
CY2019	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;padding-left:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Business and Credit Concentrations</font><font style="font-family:inherit;font-size:10pt;font-style:italic;">—</font><font style="font-family:inherit;font-size:10pt;">The primary business of the Company is the distribution of natural gas to residential, commercial and industrial customers in its service territories.</font></div><div style="line-height:120%;padding-top:12px;padding-left:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">No</font><font style="font-family:inherit;font-size:10pt;"> sales to individual customers accounted for more than </font><font style="font-family:inherit;font-size:10pt;">5%</font><font style="font-family:inherit;font-size:10pt;"> of total revenue in any period or amounted to more than </font><font style="font-family:inherit;font-size:10pt;">5%</font><font style="font-family:inherit;font-size:10pt;"> of total accounts receivable.</font></div><div style="line-height:120%;padding-top:12px;padding-left:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Roanoke Gas currently holds the only franchises and CPCNs to distribute natural gas in its service area. These franchises are effective through </font><font style="font-family:inherit;font-size:10pt;">January 1, 2036</font><font style="font-family:inherit;font-size:10pt;">. The Company's current CPCNs in Virginia are exclusive and are intended for perpetual duration.</font></div><div style="line-height:120%;padding-top:12px;padding-left:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Roanoke Gas is served directly by </font><font style="font-family:inherit;font-size:10pt;">two</font><font style="font-family:inherit;font-size:10pt;"> primary pipelines that provide all of the natural gas supplied to the Company’s customers. Depending upon weather conditions and the level of customer demand, failure of one or both of these transmission pipelines could have a major adverse impact on the Company.</font></div></div>
CY2019	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;padding-left:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Reclassifications to certain line items of the prior years' consolidated balance sheet and consolidated income statements were made to place them on a comparable basis with the current year.</font></div></div>
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;padding-left:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font><font style="font-family:inherit;font-size:10pt;">—The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</font></div></div>

Files In Submission

Name	View Source	Status
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0001069533-19-000048-index.html	Edgar Link	pending
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$RGCO
RGC RESOURCES INC Stock $rgco

2019 Form 10-K Financial Statement

#000106953319000048 Filed on December 03, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RGCO RGC RESOURCES INC Stock $rgco

2019 Form 10-K Financial Statement

#000106953319000048 Filed on December 03, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RGCO
RGC RESOURCES INC Stock $rgco