10-Q Filing

BLACK HILLS CORP /SD/ CIK: 1130464 Q3 2017

Filing Information

Form Type	10-Q
Accession Number	`0001130464-17-000053`
Period End Date	20170930
Filing Date	20171106
Fiscal Year	2017
Fiscal Period	Q3
XBRL Instance	bkh-20170930.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 150 Income Statement 104 Cash Flow Statement 80 Comprehensive Income 36

Balance Sheet 150 line items

Line Item	Tag	Value	Unit	Period
Common Stock, Par Value (usd per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common Stock, Par Value (usd per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common Stock, Par Value (usd per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common Stock, Shares Issued	`CommonStockSharesIssued`	53.51M	shares	Point-in-time
Common Stock, Shares Issued	`CommonStockSharesIssued`	52.30M	shares	Point-in-time
Common Stock, Shares Issued	`CommonStockSharesIssued`	53.40M	shares	Point-in-time
Treasury Stock, Shares	`TreasuryStockShares`	39,329.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$31.81M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$13.51M	USD	Point-in-time
Treasury Stock, Shares	`TreasuryStockShares`	15,258.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$440.86M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$13.58M	USD	Point-in-time
Treasury Stock, Shares	`TreasuryStockShares`	18,900.00	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Restricted cash and equivalents	`RestrictedCashAndInvestmentsCurrent`	$2.14M	USD	Point-in-time
Restricted cash and equivalents	`RestrictedCashAndInvestmentsCurrent`	$2.27M	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Restricted cash and equivalents	`RestrictedCashAndInvestmentsCurrent`	$2.68M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$154.62M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$263.29M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$153.83M	USD	Point-in-time
Materials, supplies and fuel	`InventoryNet`	$113.47M	USD	Point-in-time
Materials, supplies and fuel	`InventoryNet`	$107.21M	USD	Point-in-time
Materials, supplies and fuel	`InventoryNet`	$126.52M	USD	Point-in-time
Derivative assets, current	`DerivativeAssetsCurrent`	$4.14M	USD	Point-in-time
Derivative assets, current	`DerivativeAssetsCurrent`	$4.38M	USD	Point-in-time
Derivative assets, current	`DerivativeAssetsCurrent`	$657.00K	USD	Point-in-time
Regulatory assets, current	`RegulatoryAssetsCurrent`	$49.26M	USD	Point-in-time
Regulatory assets, current	`RegulatoryAssetsCurrent`	$50.56M	USD	Point-in-time
Regulatory assets, current	`RegulatoryAssetsCurrent`	$61.02M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$26.79M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$27.06M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$30.03M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$387.02M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$385.02M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$466.81M	USD	Point-in-time
Investments	`LongTermInvestments`	$12.42M	USD	Point-in-time
Investments	`LongTermInvestments`	$12.95M	USD	Point-in-time
Investments	`LongTermInvestments`	$12.56M	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$6.31B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$6.41B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$6.62B	USD	Point-in-time
Less: accumulated depreciation and depletion	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$2.02B	USD	Point-in-time
Less: accumulated depreciation and depletion	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.94B	USD	Point-in-time
Less: accumulated depreciation and depletion	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.84B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$4.47B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$4.59B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$4.47B	USD	Point-in-time
Goodwill	`Goodwill`	$1.30B	USD	Point-in-time
Goodwill	`Goodwill`	$1.30B	USD	Point-in-time
Goodwill	`Goodwill`	$1.30B	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$7.76M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$8.39M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$8.94M	USD	Point-in-time
Regulatory assets, non-current	`RegulatoryAssetsNoncurrent`	$246.88M	USD	Point-in-time
Regulatory assets, non-current	`RegulatoryAssetsNoncurrent`	$239.57M	USD	Point-in-time
Regulatory assets, non-current	`RegulatoryAssetsNoncurrent`	$234.24M	USD	Point-in-time
Derivative assets, non-current	`DerivativeAssetsNoncurrent`	$222.00K	USD	Point-in-time
Derivative assets, non-current	`DerivativeAssetsNoncurrent`	-	USD	Point-in-time
Derivative assets, non-current	`DerivativeAssetsNoncurrent`	$183.00K	USD	Point-in-time
Other assets, non-current	`OtherAssetsNoncurrent`	$12.13M	USD	Point-in-time
Other assets, non-current	`OtherAssetsNoncurrent`	$12.80M	USD	Point-in-time
Other assets, non-current	`OtherAssetsNoncurrent`	$11.65M	USD	Point-in-time
Total other assets, non-current	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.57B	USD	Point-in-time
Total other assets, non-current	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.56B	USD	Point-in-time
Total other assets, non-current	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.56B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$6.52B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$6.55B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$6.42B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$110.63M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$95.59M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$153.48M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$213.57M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$244.03M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$228.52M	USD	Point-in-time
Derivative liabilities, current	`DerivativeLiabilitiesCurrent`	$2.46M	USD	Point-in-time
Derivative liabilities, current	`DerivativeLiabilitiesCurrent`	$1.94M	USD	Point-in-time
Derivative liabilities, current	`DerivativeLiabilitiesCurrent`	$1.56M	USD	Point-in-time
Accrued income taxes, net	`AccruedIncomeTaxes`	$12.55M	USD	Point-in-time
Accrued income taxes, net	`AccruedIncomeTaxes`	$10.91M	USD	Point-in-time
Accrued income taxes, net	`AccruedIncomeTaxes`	$5.59M	USD	Point-in-time
Regulatory liabilities, current	`RegulatoryLiabilityCurrent`	$16.93M	USD	Point-in-time
Regulatory liabilities, current	`RegulatoryLiabilityCurrent`	$7.04M	USD	Point-in-time
Regulatory liabilities, current	`RegulatoryLiabilityCurrent`	$13.07M	USD	Point-in-time
Notes payable	`ShortTermBorrowings`	$75.00M	USD	Point-in-time
Notes payable	`ShortTermBorrowings`	$225.17M	USD	Point-in-time
Notes payable	`ShortTermBorrowings`	$96.60M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$5.74M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$5.74M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$5.74M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$449.67M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$554.27M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$527.93M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$3.21B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$3.21B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$3.11B	USD	Point-in-time
Deferred income tax liabilities, net, non-current	`DeferredTaxLiabilitiesNoncurrent`	$605.74M	USD	Point-in-time
Deferred income tax liabilities, net, non-current	`DeferredTaxLiabilitiesNoncurrent`	$535.61M	USD	Point-in-time
Deferred income tax liabilities, net, non-current	`DeferredTaxLiabilitiesNoncurrent`	$533.87M	USD	Point-in-time
Derivative liabilities, non-current	`DerivativeLiabilitiesNoncurrent`	$274.00K	USD	Point-in-time
Derivative liabilities, non-current	`DerivativeLiabilitiesNoncurrent`	$317.00K	USD	Point-in-time
Derivative liabilities, non-current	`DerivativeLiabilitiesNoncurrent`	$74.00K	USD	Point-in-time
Regulatory liabilities, non-current	`RegulatoryLiabilityNoncurrent`	$186.50M	USD	Point-in-time
Regulatory liabilities, non-current	`RegulatoryLiabilityNoncurrent`	$198.19M	USD	Point-in-time
Regulatory liabilities, non-current	`RegulatoryLiabilityNoncurrent`	$193.69M	USD	Point-in-time
Benefit plan liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$173.68M	USD	Point-in-time
Benefit plan liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$171.63M	USD	Point-in-time
Benefit plan liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$149.80M	USD	Point-in-time
Other deferred credits and other liabilities	`OtherLiabilitiesNoncurrent`	$137.25M	USD	Point-in-time
Other deferred credits and other liabilities	`OtherLiabilitiesNoncurrent`	$141.01M	USD	Point-in-time
Other deferred credits and other liabilities	`OtherLiabilitiesNoncurrent`	$138.64M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesNoncurrent`	$1.04B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesNoncurrent`	$1.09B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesNoncurrent`	$1.03B	USD	Point-in-time
Commitments and contingencies (See Notes 8, 10, 15, 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (See Notes 8, 10, 15, 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (See Notes 8, 10, 15, 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityOtherCarryingAmount`	-	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityOtherCarryingAmount`	$4.29M	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityOtherCarryingAmount`	$4.21M	USD	Point-in-time
Common stock $1 par value; 100,000,000 shares authorized; issued 53,524,529; 53,397,467; and 53,131,469 shares, respectively	`CommonStockValue`	$53.40M	USD	Point-in-time
Common stock $1 par value; 100,000,000 shares authorized; issued 53,524,529; 53,397,467; and 53,131,469 shares, respectively	`CommonStockValue`	$53.52M	USD	Point-in-time
Common stock $1 par value; 100,000,000 shares authorized; issued 53,524,529; 53,397,467; and 53,131,469 shares, respectively	`CommonStockValue`	$53.13M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.15B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.12B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.14B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$462.09M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$457.93M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$516.37M	USD	Point-in-time
Treasury stock, at cost 41,457; 15,258; and 22,368 shares, respectively	`TreasuryStockValue`	$791.00K	USD	Point-in-time
Treasury stock, at cost 41,457; 15,258; and 22,368 shares, respectively	`TreasuryStockValue`	$1.16M	USD	Point-in-time
Treasury stock, at cost 41,457; 15,258; and 22,368 shares, respectively	`TreasuryStockValue`	$2.45M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-32.95M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-34.88M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-9.05M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-32.57M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.60B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.68B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.61B	USD	Point-in-time
Noncontrolling interest	`NoncontrollingInterestInVariableInterestEntity`	$117.38M	USD	Point-in-time
Noncontrolling interest	`NoncontrollingInterestInVariableInterestEntity`	$113.18M	USD	Point-in-time
Noncontrolling interest	`NoncontrollingInterestInVariableInterestEntity`	$115.50M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.80B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.73B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.72B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.47B	USD	Point-in-time
TOTAL LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND TOTAL EQUITY	`LiabilitiesAndStockholdersEquity`	$6.52B	USD	Point-in-time
TOTAL LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND TOTAL EQUITY	`LiabilitiesAndStockholdersEquity`	$6.42B	USD	Point-in-time
TOTAL LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND TOTAL EQUITY	`LiabilitiesAndStockholdersEquity`	$6.55B	USD	Point-in-time

Income Statement 104 line items

Line Item	Tag	Value	Unit	Period
Revenue	`SalesRevenueNet`	$1.24B	USD	3 Qtrs
Revenue	`SalesRevenueNet`	$333.79M	USD	1 Quarter
Revenue	`SalesRevenueNet`	$1.11B	USD	3 Qtrs
Revenue	`SalesRevenueNet`	$342.14M	USD	1 Quarter
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$404.22M	USD	3 Qtrs
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$86.28M	USD	1 Quarter
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$336.54M	USD	3 Qtrs
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$80.19M	USD	1 Quarter
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$334.71M	USD	3 Qtrs
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$114.65M	USD	1 Quarter
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$115.10M	USD	1 Quarter
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$354.15M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$48.92M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$146.74M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$49.43M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$140.64M	USD	3 Qtrs
Taxes - property, production and severance	`TaxesExcludingIncomeAndExciseTaxes`	$13.09M	USD	1 Quarter
Taxes - property, production and severance	`TaxesExcludingIncomeAndExciseTaxes`	$36.99M	USD	3 Qtrs
Taxes - property, production and severance	`TaxesExcludingIncomeAndExciseTaxes`	$40.80M	USD	3 Qtrs
Taxes - property, production and severance	`TaxesExcludingIncomeAndExciseTaxes`	$12.11M	USD	1 Quarter
Impairment of long-lived assets	`ImpairmentOfLongLivedAssetsHeldForUse`	$52.29M	USD	3 Qtrs
Impairment of long-lived assets	`ImpairmentOfLongLivedAssetsHeldForUse`	-	USD	3 Qtrs
Impairment of long-lived assets	`ImpairmentOfLongLivedAssetsHeldForUse`	-	USD	1 Quarter
Impairment of long-lived assets	`ImpairmentOfLongLivedAssetsHeldForUse`	$12.29M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$164.00K	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$3.30M	USD	3 Qtrs
Other operating expenses	`OtherCostAndExpenseOperating`	$40.73M	USD	3 Qtrs
Other operating expenses	`OtherCostAndExpenseOperating`	$6.75M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$263.62M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$949.22M	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$941.89M	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$275.38M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$294.90M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$78.52M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$167.30M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$58.41M	USD	1 Quarter
Interest expense incurred (including amortization of debt issuance costs, premiums and discounts)	`InterestCostsIncurred`	$35.30M	USD	1 Quarter
Interest expense incurred (including amortization of debt issuance costs, premiums and discounts)	`InterestCostsIncurred`	$103.99M	USD	3 Qtrs
Interest expense incurred (including amortization of debt issuance costs, premiums and discounts)	`InterestCostsIncurred`	$105.50M	USD	3 Qtrs
Interest expense incurred (including amortization of debt issuance costs, premiums and discounts)	`InterestCostsIncurred`	$37.31M	USD	1 Quarter
Allowance for funds used during construction - borrowed	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionBorrowedInterestCostsCapitalized`	$860.00K	USD	1 Quarter
Allowance for funds used during construction - borrowed	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionBorrowedInterestCostsCapitalized`	$753.00K	USD	1 Quarter
Allowance for funds used during construction - borrowed	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionBorrowedInterestCostsCapitalized`	$2.06M	USD	3 Qtrs
Allowance for funds used during construction - borrowed	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionBorrowedInterestCostsCapitalized`	$2.12M	USD	3 Qtrs
Capitalized interest	`InterestCostsCapitalizedAdjustment`	$448.00K	USD	3 Qtrs
Capitalized interest	`InterestCostsCapitalizedAdjustment`	$149.00K	USD	1 Quarter
Capitalized interest	`InterestCostsCapitalizedAdjustment`	$785.00K	USD	3 Qtrs
Capitalized interest	`InterestCostsCapitalizedAdjustment`	$282.00K	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$912.00K	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$2.51M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$402.00K	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$700.00K	USD	3 Qtrs
Allowance for funds used during construction - equity	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$1.21M	USD	1 Quarter
Allowance for funds used during construction - equity	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$696.00K	USD	1 Quarter
Allowance for funds used during construction - equity	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$2.90M	USD	3 Qtrs
Allowance for funds used during construction - equity	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$1.98M	USD	3 Qtrs
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$189.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$29.00K	USD	3 Qtrs
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$160.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$801.00K	USD	3 Qtrs
Total other income (expense), net	`NonoperatingIncomeExpense`	$-94.88M	USD	3 Qtrs
Total other income (expense), net	`NonoperatingIncomeExpense`	$-100.28M	USD	3 Qtrs
Total other income (expense), net	`NonoperatingIncomeExpense`	$-33.12M	USD	1 Quarter
Total other income (expense), net	`NonoperatingIncomeExpense`	$-33.88M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$194.62M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$24.53M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$72.42M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$45.40M	USD	1 Quarter
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$13.80M	USD	1 Quarter
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$11.21M	USD	3 Qtrs
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$6.64M	USD	1 Quarter
Income tax benefit (expense)	`IncomeTaxExpenseBenefit`	$57.56M	USD	3 Qtrs
Net income	`ProfitLoss`	$31.60M	USD	1 Quarter
Net income	`ProfitLoss`	$137.06M	USD	3 Qtrs
Net income	`ProfitLoss`	$61.22M	USD	3 Qtrs
Net income	`ProfitLoss`	$17.88M	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.94M	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.75M	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.67M	USD	3 Qtrs
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$6.42M	USD	3 Qtrs
Net income available for common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$14.13M	USD	1 Quarter
Net income available for common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$126.38M	USD	3 Qtrs
Net income available for common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$27.66M	USD	1 Quarter
Net income available for common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$54.80M	USD	3 Qtrs
Earnings (loss) per share, Basic (usd per share)	`EarningsPerShareBasic`	$2.38	USD	3 Qtrs
Earnings (loss) per share, Basic (usd per share)	`EarningsPerShareBasic`	$0.52	USD	1 Quarter
Earnings (loss) per share, Basic (usd per share)	`EarningsPerShareBasic`	$0.27	USD	1 Quarter
Earnings (loss) per share, Basic (usd per share)	`EarningsPerShareBasic`	$1.06	USD	3 Qtrs
Earnings (loss) per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$0.26	USD	1 Quarter
Earnings (loss) per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$0.50	USD	1 Quarter
Earnings (loss) per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$2.29	USD	3 Qtrs
Earnings (loss) per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$1.04	USD	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	53.24M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	51.58M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	53.21M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	52.18M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	55.43M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	52.89M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	55.25M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	53.73M	shares	1 Quarter
Dividends declared per share of common stock (usd per share)	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Dividends declared per share of common stock (usd per share)	`CommonStockDividendsPerShareDeclared`	$1.26	USD	3 Qtrs
Dividends declared per share of common stock (usd per share)	`CommonStockDividendsPerShareDeclared`	$1.33	USD	3 Qtrs
Dividends declared per share of common stock (usd per share)	`CommonStockDividendsPerShareDeclared`	$0.45	USD	1 Quarter

Cash Flow Statement 80 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$31.60M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$137.06M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$61.22M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$17.88M	USD	1 Quarter
Net income available for common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$14.13M	USD	1 Quarter
Net income available for common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$126.38M	USD	3 Qtrs
Net income available for common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$27.66M	USD	1 Quarter
Net income available for common stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$54.80M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$48.92M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$146.74M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$49.43M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$140.64M	USD	3 Qtrs
Deferred financing cost amortization	`AmortizationOfFinancingCostsAndDiscounts`	$6.21M	USD	3 Qtrs
Deferred financing cost amortization	`AmortizationOfFinancingCostsAndDiscounts`	$4.00M	USD	3 Qtrs
Impairment of long-lived assets	`ImpairmentOfOilAndGasProperties`	-	USD	3 Qtrs
Impairment of long-lived assets	`ImpairmentOfOilAndGasProperties`	$52.29M	USD	3 Qtrs
Derivative fair value adjustments	`UnrealizedGainLossOnDerivativesAndCommodityContracts`	$-1.93M	USD	3 Qtrs
Derivative fair value adjustments	`UnrealizedGainLossOnDerivativesAndCommodityContracts`	$7.31M	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$9.12M	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$7.59M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$64.67M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$38.58M	USD	3 Qtrs
Employee benefit plans	`PensionAndOtherPostretirementBenefitExpense`	$8.47M	USD	3 Qtrs
Employee benefit plans	`PensionAndOtherPostretirementBenefitExpense`	$11.83M	USD	3 Qtrs
Other adjustments, net	`OtherNoncashIncomeExpense`	$5.55M	USD	3 Qtrs
Other adjustments, net	`OtherNoncashIncomeExpense`	$2.08M	USD	3 Qtrs
Materials, supplies and fuel	`IncreaseDecreaseInInventories`	$5.17M	USD	3 Qtrs
Materials, supplies and fuel	`IncreaseDecreaseInInventories`	$19.56M	USD	3 Qtrs
Accounts receivable, unbilled revenues and other operating assets	`IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets`	$-78.87M	USD	3 Qtrs
Accounts receivable, unbilled revenues and other operating assets	`IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets`	$-107.03M	USD	3 Qtrs
Accounts payable and other operating liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$-101.47M	USD	3 Qtrs
Accounts payable and other operating liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$-117.63M	USD	3 Qtrs
Regulatory assets - current	`IncreaseDecreaseInOtherRegulatoryAssets`	$-8.45M	USD	3 Qtrs
Regulatory assets - current	`IncreaseDecreaseInOtherRegulatoryAssets`	$-1.29M	USD	3 Qtrs
Regulatory liabilities - current	`IncreaseDecreaseInRegulatoryLiabilities`	$-8.18M	USD	3 Qtrs
Regulatory liabilities - current	`IncreaseDecreaseInRegulatoryLiabilities`	$-4.33M	USD	3 Qtrs
Contributions to defined benefit pension plans	`PensionContributions`	$14.20M	USD	3 Qtrs
Contributions to defined benefit pension plans	`PensionContributions`	$27.70M	USD	3 Qtrs
Interest rate swap settlement	`GainLossOnSaleOfDerivatives`	-	USD	3 Qtrs
Interest rate swap settlement	`GainLossOnSaleOfDerivatives`	$28.82M	USD	3 Qtrs
Other operating activities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$6.00M	USD	3 Qtrs
Other operating activities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$2.95M	USD	3 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$209.20M	USD	3 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$319.43M	USD	3 Qtrs
Property, plant and equipment additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$256.14M	USD	3 Qtrs
Property, plant and equipment additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$334.10M	USD	3 Qtrs
Acquisition, net of long term debt assumed	`BusinessCombinationConsiderationTransferredNetofLongTermDebtandCashAcquired`	-	USD	3 Qtrs
Acquisition, net of long term debt assumed	`BusinessCombinationConsiderationTransferredNetofLongTermDebtandCashAcquired`	$1.12B	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$860.00K	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$250.00K	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.46B	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-256.39M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividends`	$65.25M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividends`	$71.33M	USD	3 Qtrs
Common stock issued	`ProceedsFromIssuanceOfCommonStock`	$107.69M	USD	3 Qtrs
Common stock issued	`ProceedsFromIssuanceOfCommonStock`	$3.56M	USD	3 Qtrs
Sale of noncontrolling interest	`ProceedsFromMinorityShareholders`	$216.37M	USD	3 Qtrs
Sale of noncontrolling interest	`ProceedsFromMinorityShareholders`	-	USD	3 Qtrs
Net (payments) borrowings of short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$128.57M	USD	3 Qtrs
Net (payments) borrowings of short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-1.80M	USD	3 Qtrs
Long-term debt - issuances	`ProceedsFromIssuanceOfLongTermDebt`	$1.77B	USD	3 Qtrs
Long-term debt - issuances	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	3 Qtrs
Long-term debt - repayments	`RepaymentsOfLongTermDebt`	$104.31M	USD	3 Qtrs
Long-term debt - repayments	`RepaymentsOfLongTermDebt`	$1.16B	USD	3 Qtrs
Distributions to noncontrolling interest	`PaymentsToMinorityShareholders`	$12.88M	USD	3 Qtrs
Distributions to noncontrolling interest	`PaymentsToMinorityShareholders`	$4.52M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-16.29M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.72M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-63.11M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$840.95M	USD	3 Qtrs
Net change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-409.05M	USD	3 Qtrs
Net change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-70.00K	USD	3 Qtrs
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$31.81M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$13.51M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$440.86M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$13.58M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$31.81M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$13.51M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$440.86M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$13.58M	USD	Point-in-time

Comprehensive Income 36 line items

Line Item	Tag	Value	Unit	Period
Reclassification adjustment of benefit plan - prior service cost, (tax) benefit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-52.00K	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$31.60M	USD	1 Quarter
Reclassification adjustment of benefit plan - prior service cost, (tax) benefit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-57.00K	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$137.06M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$61.22M	USD	3 Qtrs
Reclassification adjustment of benefit plan - prior service cost, (tax) benefit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-17.00K	USD	1 Quarter
Reclassification adjustment of benefit plan - prior service cost, (tax) benefit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-19.00K	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$17.88M	USD	1 Quarter
Reclassification adjustment of benefit plan liabilities, (tax) benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$445.00K	USD	3 Qtrs
Reclassification adjustment of benefit plan liabilities, (tax) benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$171.00K	USD	1 Quarter
Reclassification adjustment of benefit plan liabilities, (tax) benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$517.00K	USD	3 Qtrs
Reclassification adjustment of benefit plan liabilities, (tax) benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$145.00K	USD	1 Quarter
Reclassification adjustments of benefit plan liability - prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-32.00K	USD	1 Quarter
Reclassification adjustments of benefit plan liability - prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-36.00K	USD	1 Quarter
Reclassification adjustments of benefit plan liability - prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-108.00K	USD	3 Qtrs
Reclassification adjustments of benefit plan liability - prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-94.00K	USD	3 Qtrs
Reclassification adjustments of benefit plan liability - net gain (loss)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-269.00K	USD	1 Quarter
Reclassification adjustments of benefit plan liability - net gain (loss)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-323.00K	USD	1 Quarter
Reclassification adjustments of benefit plan liability - net gain (loss)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-797.00K	USD	3 Qtrs
Reclassification adjustments of benefit plan liability - net gain (loss)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-966.00K	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.32M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$375.00K	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-1.19M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-23.90M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$37.32M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$16.70M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$139.37M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$31.97M	USD	1 Quarter
Less: comprehensive income attributable to noncontrolling interest	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$3.75M	USD	1 Quarter
Less: comprehensive income attributable to noncontrolling interest	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$3.94M	USD	1 Quarter
Less: comprehensive income attributable to noncontrolling interest	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$10.67M	USD	3 Qtrs
Less: comprehensive income attributable to noncontrolling interest	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$6.42M	USD	3 Qtrs
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$28.04M	USD	1 Quarter
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$128.70M	USD	3 Qtrs
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$12.94M	USD	1 Quarter
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$30.91M	USD	3 Qtrs

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