10-K Filing

IDACORP INC CIK: 1057877 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0001057877-25-000014`
Period End Date	20241231
Filing Date	20250220
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	ida-20241231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 188 Income Statement 180 Cash Flow Statement 256 Stockholders Equity 42 Comprehensive Income 30

Balance Sheet 188 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$368.87M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$368.87M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$327.43M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$327.43M	USD	Point-in-time
Customer	`AccountsReceivableNetCurrent`	$114.82M	USD	Point-in-time
Customer	`AccountsReceivableNetCurrent`	$114.82M	USD	Point-in-time
Customer	`AccountsReceivableNetCurrent`	$107.26M	USD	Point-in-time
Customer	`AccountsReceivableNetCurrent`	$107.26M	USD	Point-in-time
Other	`OtherReceivables`	$29.63M	USD	Point-in-time
Other	`OtherReceivables`	$29.63M	USD	Point-in-time
Other	`OtherReceivables`	$44.66M	USD	Point-in-time
Other	`OtherReceivables`	$44.66M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$13.93M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$13.93M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$24.57M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$24.57M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$97.71M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$97.71M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$90.52M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$90.52M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$201.06M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$201.06M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$140.51M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$140.51M	USD	Point-in-time
Fuel stock (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$43.66M	USD	Point-in-time
Fuel stock (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$43.66M	USD	Point-in-time
Fuel stock (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$19.95M	USD	Point-in-time
Fuel stock (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$19.95M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$29.46M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$29.46M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$22.84M	USD	Point-in-time
Prepayments	`PrepaidExpenseCurrent`	$22.84M	USD	Point-in-time
Current regulatory assets	`RegulatoryAssetsCurrent`	$226.24M	USD	Point-in-time
Current regulatory assets	`RegulatoryAssetsCurrent`	$226.24M	USD	Point-in-time
Current regulatory assets	`RegulatoryAssetsCurrent`	$89.31M	USD	Point-in-time
Current regulatory assets	`RegulatoryAssetsCurrent`	$89.31M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$71.00K	USD	Point-in-time
Other	`OtherAssetsCurrent`	$71.00K	USD	Point-in-time
Other	`OtherAssetsCurrent`	-	USD	Point-in-time
Other	`OtherAssetsCurrent`	-	USD	Point-in-time
Total current assets	`AssetsCurrent`	$988.46M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$988.46M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.00B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.00B	USD	Point-in-time
Investments	`LongTermInvestments`	$163.97M	USD	Point-in-time
Investments	`LongTermInvestments`	$163.97M	USD	Point-in-time
Investments	`LongTermInvestments`	$161.34M	USD	Point-in-time
Investments	`LongTermInvestments`	$161.34M	USD	Point-in-time
Utility plant in service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$7.96B	USD	Point-in-time
Utility plant in service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$7.96B	USD	Point-in-time
Utility plant in service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$7.29B	USD	Point-in-time
Utility plant in service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$7.29B	USD	Point-in-time
Accumulated provision for depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.71B	USD	Point-in-time
Accumulated provision for depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.71B	USD	Point-in-time
Accumulated provision for depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.56B	USD	Point-in-time
Accumulated provision for depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.56B	USD	Point-in-time
Utility plant in service - net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$4.73B	USD	Point-in-time
Utility plant in service - net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$4.73B	USD	Point-in-time
Utility plant in service - net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$5.24B	USD	Point-in-time
Utility plant in service - net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$5.24B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$1.24B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$1.24B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$985.50M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$985.50M	USD	Point-in-time
Utility plant held for future use	`PlantHeldForFutureUseAmount`	$9.51M	USD	Point-in-time
Utility plant held for future use	`PlantHeldForFutureUseAmount`	$9.51M	USD	Point-in-time
Utility plant held for future use	`PlantHeldForFutureUseAmount`	$13.21M	USD	Point-in-time
Utility plant held for future use	`PlantHeldForFutureUseAmount`	$13.21M	USD	Point-in-time
Other property, net of accumulated depreciation	`PropertyPlantAndEquipmentOther`	$16.49M	USD	Point-in-time
Other property, net of accumulated depreciation	`PropertyPlantAndEquipmentOther`	$16.49M	USD	Point-in-time
Other property, net of accumulated depreciation	`PropertyPlantAndEquipmentOther`	$16.43M	USD	Point-in-time
Other property, net of accumulated depreciation	`PropertyPlantAndEquipmentOther`	$16.43M	USD	Point-in-time
Property, plant and equipment - net	`PropertyPlantAndEquipmentNet`	$5.75B	USD	Point-in-time
Property, plant and equipment - net	`PropertyPlantAndEquipmentNet`	$5.75B	USD	Point-in-time
Property, plant and equipment - net	`PropertyPlantAndEquipmentNet`	$6.52B	USD	Point-in-time
Property, plant and equipment - net	`PropertyPlantAndEquipmentNet`	$6.52B	USD	Point-in-time
Company-owned life insurance	`LifeInsuranceCorporateOrBankOwnedAmount`	$82.04M	USD	Point-in-time
Company-owned life insurance	`LifeInsuranceCorporateOrBankOwnedAmount`	$82.04M	USD	Point-in-time
Company-owned life insurance	`LifeInsuranceCorporateOrBankOwnedAmount`	$92.06M	USD	Point-in-time
Company-owned life insurance	`LifeInsuranceCorporateOrBankOwnedAmount`	$92.06M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.43B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.43B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.42B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.42B	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$53.81M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$53.81M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$62.13M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$62.13M	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.57B	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.57B	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.56B	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.56B	USD	Point-in-time
Total assets	`Assets`	$9.24B	USD	Point-in-time
Total assets	`Assets`	$9.24B	USD	Point-in-time
Total assets	`Assets`	$7.54B	USD	Point-in-time
Total assets	`Assets`	$7.54B	USD	Point-in-time
Total assets	`Assets`	$8.48B	USD	Point-in-time
Total assets	`Assets`	$8.48B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$19.89M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$19.89M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$49.80M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$49.80M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$307.13M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$307.13M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$308.50M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$308.50M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$6.98M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$6.98M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$6.85M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$6.85M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$38.29M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$38.29M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$42.68M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$42.68M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$64.64M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$64.64M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$70.55M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$70.55M	USD	Point-in-time
Current regulatory liabilities	`RegulatoryLiabilityCurrent`	$7.52M	USD	Point-in-time
Current regulatory liabilities	`RegulatoryLiabilityCurrent`	$7.52M	USD	Point-in-time
Current regulatory liabilities	`RegulatoryLiabilityCurrent`	$7.95M	USD	Point-in-time
Current regulatory liabilities	`RegulatoryLiabilityCurrent`	$7.95M	USD	Point-in-time
Advances from customers	`ContractWithCustomerLiabilityCurrent`	$165.23M	USD	Point-in-time
Advances from customers	`ContractWithCustomerLiabilityCurrent`	$165.23M	USD	Point-in-time
Advances from customers	`ContractWithCustomerLiabilityCurrent`	$104.30M	USD	Point-in-time
Advances from customers	`ContractWithCustomerLiabilityCurrent`	$104.30M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$80.82M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$80.82M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$53.73M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$53.73M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$634.08M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$634.08M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$700.80M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$700.80M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$822.23M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$822.23M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$882.72M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$882.72M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$874.60M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$874.60M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$976.80M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$976.80M	USD	Point-in-time
Pension and other postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$233.97M	USD	Point-in-time
Pension and other postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$233.97M	USD	Point-in-time
Pension and other postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$165.99M	USD	Point-in-time
Pension and other postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$165.99M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$181.80M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$181.80M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$160.02M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$160.02M	USD	Point-in-time
Total other liabilities	`LiabilitiesNoncurrent`	$2.15B	USD	Point-in-time
Total other liabilities	`LiabilitiesNoncurrent`	$2.15B	USD	Point-in-time
Total other liabilities	`LiabilitiesNoncurrent`	$2.15B	USD	Point-in-time
Total other liabilities	`LiabilitiesNoncurrent`	$2.15B	USD	Point-in-time
Long-Term Debt	`LongTermDebt`	$2.78B	USD	Point-in-time
Long-Term Debt	`LongTermDebt`	$2.78B	USD	Point-in-time
Long-Term Debt	`LongTermDebt`	$3.05B	USD	Point-in-time
Long-Term Debt	`LongTermDebt`	$3.05B	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock	`CommonStockValue`	$888.62M	USD	Point-in-time
Common stock	`CommonStockValue`	$888.62M	USD	Point-in-time
Common stock	`CommonStockValue`	$1.19B	USD	Point-in-time
Common stock	`CommonStockValue`	$1.19B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.15B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.15B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.04B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.04B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-13.59M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-13.59M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-17.18M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-17.18M	USD	Point-in-time
Total IDACORP, Inc. shareholders equity	`StockholdersEquity`	$2.91B	USD	Point-in-time
Total IDACORP, Inc. shareholders equity	`StockholdersEquity`	$2.91B	USD	Point-in-time
Total IDACORP, Inc. shareholders equity	`StockholdersEquity`	$2.81B	USD	Point-in-time
Total IDACORP, Inc. shareholders equity	`StockholdersEquity`	$2.81B	USD	Point-in-time
Total IDACORP, Inc. shareholders equity	`StockholdersEquity`	$3.33B	USD	Point-in-time
Total IDACORP, Inc. shareholders equity	`StockholdersEquity`	$3.33B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.91B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.91B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.34B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.34B	USD	Point-in-time
Total	`LiabilitiesAndStockholdersEquity`	$8.48B	USD	Point-in-time
Total	`LiabilitiesAndStockholdersEquity`	$8.48B	USD	Point-in-time
Total	`LiabilitiesAndStockholdersEquity`	$9.24B	USD	Point-in-time
Total	`LiabilitiesAndStockholdersEquity`	$9.24B	USD	Point-in-time

Income Statement 180 line items

Line Item	Tag	Value	Unit	Period
Electric utility revenues	`RegulatedOperatingRevenueElectricNonNuclear`	$1.82B	USD	Annual
Electric utility revenues	`RegulatedOperatingRevenueElectricNonNuclear`	$1.82B	USD	Annual
Electric utility revenues	`RegulatedOperatingRevenueElectricNonNuclear`	$1.76B	USD	Annual
Electric utility revenues	`RegulatedOperatingRevenueElectricNonNuclear`	$1.76B	USD	Annual
Electric utility revenues	`RegulatedOperatingRevenueElectricNonNuclear`	$1.64B	USD	Annual
Electric utility revenues	`RegulatedOperatingRevenueElectricNonNuclear`	$1.64B	USD	Annual
Other operating revenues	`UnregulatedOperatingRevenue`	$3.67M	USD	Annual
Other operating revenues	`UnregulatedOperatingRevenue`	$3.67M	USD	Annual
Other operating revenues	`UnregulatedOperatingRevenue`	$3.46M	USD	Annual
Other operating revenues	`UnregulatedOperatingRevenue`	$3.46M	USD	Annual
Other operating revenues	`UnregulatedOperatingRevenue`	$2.94M	USD	Annual
Other operating revenues	`UnregulatedOperatingRevenue`	$2.94M	USD	Annual
Revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.83B	USD	Annual
Revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.83B	USD	Annual
Revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.64B	USD	Annual
Revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.64B	USD	Annual
Revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.77B	USD	Annual
Revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.77B	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$501.53M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$501.53M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$425.08M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$425.08M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$544.35M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$544.35M	USD	Annual
Fuel expense	`UtilitiesOperatingExpenseFuelUsed`	$230.21M	USD	Annual
Fuel expense	`UtilitiesOperatingExpenseFuelUsed`	$230.21M	USD	Annual
Fuel expense	`UtilitiesOperatingExpenseFuelUsed`	$259.20M	USD	Annual
Fuel expense	`UtilitiesOperatingExpenseFuelUsed`	$259.20M	USD	Annual
Fuel expense	`UtilitiesOperatingExpenseFuelUsed`	$275.40M	USD	Annual
Fuel expense	`UtilitiesOperatingExpenseFuelUsed`	$275.40M	USD	Annual
Power cost adjustment	`Powercostadjustmentexpensedeferral`	$89.76M	USD	Annual
Power cost adjustment	`Powercostadjustmentexpensedeferral`	$89.76M	USD	Annual
Power cost adjustment	`Powercostadjustmentexpensedeferral`	$-100.66M	USD	Annual
Power cost adjustment	`Powercostadjustmentexpensedeferral`	$-100.66M	USD	Annual
Power cost adjustment	`Powercostadjustmentexpensedeferral`	$6.88M	USD	Annual
Power cost adjustment	`Powercostadjustmentexpensedeferral`	$6.88M	USD	Annual
Other operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$399.38M	USD	Annual
Other operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$399.38M	USD	Annual
Other operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$460.95M	USD	Annual
Other operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$460.95M	USD	Annual
Other operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$399.86M	USD	Annual
Other operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$399.86M	USD	Annual
Energy efficiency programs	`EnergyEfficiencyPrograms`	$27.58M	USD	Annual
Energy efficiency programs	`EnergyEfficiencyPrograms`	$27.58M	USD	Annual
Energy efficiency programs	`EnergyEfficiencyPrograms`	$31.95M	USD	Annual
Energy efficiency programs	`EnergyEfficiencyPrograms`	$31.95M	USD	Annual
Energy efficiency programs	`EnergyEfficiencyPrograms`	$33.20M	USD	Annual
Energy efficiency programs	`EnergyEfficiencyPrograms`	$33.20M	USD	Annual
Depreciation	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$170.08M	USD	Annual
Depreciation	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$170.08M	USD	Annual
Depreciation	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$223.41M	USD	Annual
Depreciation	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$223.41M	USD	Annual
Depreciation	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$195.34M	USD	Annual
Depreciation	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$195.34M	USD	Annual
Other electric utility operating expenses	`UtilitiesOperatingExpenseOther`	$8.80M	USD	Annual
Other electric utility operating expenses	`UtilitiesOperatingExpenseOther`	$8.80M	USD	Annual
Other electric utility operating expenses	`UtilitiesOperatingExpenseOther`	$38.55M	USD	Annual
Other electric utility operating expenses	`UtilitiesOperatingExpenseOther`	$38.55M	USD	Annual
Other electric utility operating expenses	`UtilitiesOperatingExpenseOther`	$37.33M	USD	Annual
Other electric utility operating expenses	`UtilitiesOperatingExpenseOther`	$37.33M	USD	Annual
Total electric utility expenses	`UtilitiesOperatingExpense`	$1.49B	USD	Annual
Total electric utility expenses	`UtilitiesOperatingExpense`	$1.49B	USD	Annual
Total electric utility expenses	`UtilitiesOperatingExpense`	$1.45B	USD	Annual
Total electric utility expenses	`UtilitiesOperatingExpense`	$1.45B	USD	Annual
Total electric utility expenses	`UtilitiesOperatingExpense`	$1.31B	USD	Annual
Total electric utility expenses	`UtilitiesOperatingExpense`	$1.31B	USD	Annual
Other	`OtherGeneralExpense`	$4.01M	USD	Annual
Other	`OtherGeneralExpense`	$4.01M	USD	Annual
Other	`OtherGeneralExpense`	$3.36M	USD	Annual
Other	`OtherGeneralExpense`	$3.36M	USD	Annual
Other	`OtherGeneralExpense`	$2.93M	USD	Annual
Other	`OtherGeneralExpense`	$2.93M	USD	Annual
Operating expenses	`OperatingExpenses`	$1.32B	USD	Annual
Operating expenses	`OperatingExpenses`	$1.32B	USD	Annual
Operating expenses	`OperatingExpenses`	$1.45B	USD	Annual
Operating expenses	`OperatingExpenses`	$1.45B	USD	Annual
Operating expenses	`OperatingExpenses`	$1.50B	USD	Annual
Operating expenses	`OperatingExpenses`	$1.50B	USD	Annual
Operating income	`OperatingIncomeLoss`	$327.18M	USD	Annual
Operating income	`OperatingIncomeLoss`	$327.18M	USD	Annual
Operating income	`OperatingIncomeLoss`	$327.84M	USD	Annual
Operating income	`OperatingIncomeLoss`	$327.84M	USD	Annual
Operating income	`OperatingIncomeLoss`	$313.48M	USD	Annual
Operating income	`OperatingIncomeLoss`	$313.48M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$53.24M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$53.24M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$37.28M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$37.28M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$43.22M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$43.22M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$11.51M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$11.51M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$4.54M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$4.54M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$12.43M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$12.43M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$139.20M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$139.20M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$87.26M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$87.26M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$116.22M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$116.22M	USD	Annual
Other interest	`InterestExpenseOther`	$16.03M	USD	Annual
Other interest	`InterestExpenseOther`	$16.03M	USD	Annual
Other interest	`InterestExpenseOther`	$20.25M	USD	Annual
Other interest	`InterestExpenseOther`	$20.25M	USD	Annual
Other interest	`InterestExpenseOther`	$24.45M	USD	Annual
Other interest	`InterestExpenseOther`	$24.45M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$27.79M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$27.79M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$13.91M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$13.91M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$20.01M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$20.01M	USD	Annual
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$10.80M	USD	Annual
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$10.80M	USD	Annual
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$36.52M	USD	Annual
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$36.52M	USD	Annual
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$55.25M	USD	Annual
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$55.25M	USD	Annual
Total nonoperating expense, net	`NonoperatingIncomeExpense`	$-22.84M	USD	Annual
Total nonoperating expense, net	`NonoperatingIncomeExpense`	$-22.84M	USD	Annual
Total nonoperating expense, net	`NonoperatingIncomeExpense`	$-29.77M	USD	Annual
Total nonoperating expense, net	`NonoperatingIncomeExpense`	$-29.77M	USD	Annual
Total nonoperating expense, net	`NonoperatingIncomeExpense`	$-24.29M	USD	Annual
Total nonoperating expense, net	`NonoperatingIncomeExpense`	$-24.29M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$289.19M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$289.19M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$297.40M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$297.40M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$305.00M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$305.00M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$37.84M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$37.84M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$15.05M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$15.05M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$27.30M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$27.30M	USD	Annual
Net Income	`ProfitLoss`	$261.89M	USD	Annual
Net Income	`ProfitLoss`	$261.89M	USD	Annual
Net Income	`ProfitLoss`	$259.56M	USD	Annual
Net Income	`ProfitLoss`	$259.56M	USD	Annual
Net Income	`ProfitLoss`	$289.95M	USD	Annual
Net Income	`ProfitLoss`	$289.95M	USD	Annual
Adjustment for income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$578.00K	USD	Annual
Adjustment for income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$578.00K	USD	Annual
Adjustment for income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$777.00K	USD	Annual
Adjustment for income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$777.00K	USD	Annual
Adjustment for income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$698.00K	USD	Annual
Adjustment for income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$698.00K	USD	Annual
Net Income Attributable to IDACORP, Inc.	`NetIncomeLoss`	$258.98M	USD	Annual
Net Income Attributable to IDACORP, Inc.	`NetIncomeLoss`	$258.98M	USD	Annual
Net Income Attributable to IDACORP, Inc.	`NetIncomeLoss`	$261.19M	USD	Annual
Net Income Attributable to IDACORP, Inc.	`NetIncomeLoss`	$261.19M	USD	Annual
Net Income Attributable to IDACORP, Inc.	`NetIncomeLoss`	$289.17M	USD	Annual
Net Income Attributable to IDACORP, Inc.	`NetIncomeLoss`	$289.17M	USD	Annual
Weighted Average Common Shares Outstanding - Basic (000s) (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	50.72M	shares	Annual
Weighted Average Common Shares Outstanding - Basic (000s) (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	50.72M	shares	Annual
Weighted Average Common Shares Outstanding - Basic (000s) (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	50.66M	shares	Annual
Weighted Average Common Shares Outstanding - Basic (000s) (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	50.66M	shares	Annual
Weighted Average Common Shares Outstanding - Basic (000s) (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	52.54M	shares	Annual
Weighted Average Common Shares Outstanding - Basic (000s) (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	52.54M	shares	Annual
Weighted Average Common Shares Outstanding - Diluted (000s) (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	50.70M	shares	Annual
Weighted Average Common Shares Outstanding - Diluted (000s) (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	50.70M	shares	Annual
Weighted Average Common Shares Outstanding - Diluted (000s) (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	52.62M	shares	Annual
Weighted Average Common Shares Outstanding - Diluted (000s) (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	52.62M	shares	Annual
Weighted Average Common Shares Outstanding - Diluted (000s) (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	50.81M	shares	Annual
Weighted Average Common Shares Outstanding - Diluted (000s) (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	50.81M	shares	Annual
Earnings Attributable to IDACORP, Inc. - Basic (in dollars per share)	`EarningsPerShareBasic`	$5.50	USD	Annual
Earnings Attributable to IDACORP, Inc. - Basic (in dollars per share)	`EarningsPerShareBasic`	$5.50	USD	Annual
Earnings Attributable to IDACORP, Inc. - Basic (in dollars per share)	`EarningsPerShareBasic`	$5.11	USD	Annual
Earnings Attributable to IDACORP, Inc. - Basic (in dollars per share)	`EarningsPerShareBasic`	$5.11	USD	Annual
Earnings Attributable to IDACORP, Inc. - Basic (in dollars per share)	`EarningsPerShareBasic`	$5.15	USD	Annual
Earnings Attributable to IDACORP, Inc. - Basic (in dollars per share)	`EarningsPerShareBasic`	$5.15	USD	Annual
Earnings Attributable to IDACORP, Inc. - Diluted (in dollars per share)	`EarningsPerShareDiluted`	$5.11	USD	Annual
Earnings Attributable to IDACORP, Inc. - Diluted (in dollars per share)	`EarningsPerShareDiluted`	$5.11	USD	Annual
Earnings Attributable to IDACORP, Inc. - Diluted (in dollars per share)	`EarningsPerShareDiluted`	$5.14	USD	Annual
Earnings Attributable to IDACORP, Inc. - Diluted (in dollars per share)	`EarningsPerShareDiluted`	$5.14	USD	Annual
Earnings Attributable to IDACORP, Inc. - Diluted (in dollars per share)	`EarningsPerShareDiluted`	$5.50	USD	Annual
Earnings Attributable to IDACORP, Inc. - Diluted (in dollars per share)	`EarningsPerShareDiluted`	$5.50	USD	Annual

Cash Flow Statement 256 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$261.89M	USD	Annual
Net Income	`ProfitLoss`	$261.89M	USD	Annual
Net Income	`ProfitLoss`	$259.56M	USD	Annual
Net Income	`ProfitLoss`	$259.56M	USD	Annual
Net Income	`ProfitLoss`	$289.95M	USD	Annual
Net Income	`ProfitLoss`	$289.95M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$228.09M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$228.09M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$173.56M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$173.56M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$199.91M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$199.91M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$39.61M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$39.61M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$-511.00K	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$-511.00K	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$-17.59M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$-17.59M	USD	Annual
Changes in regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$4.75M	USD	Annual
Changes in regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$4.75M	USD	Annual
Changes in regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$79.69M	USD	Annual
Changes in regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$79.69M	USD	Annual
Changes in regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-115.03M	USD	Annual
Changes in regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-115.03M	USD	Annual
Pension and postretirement benefit plan expense	`PensionAndOtherPostretirementBenefitExpense`	$27.16M	USD	Annual
Pension and postretirement benefit plan expense	`PensionAndOtherPostretirementBenefitExpense`	$27.16M	USD	Annual
Pension and postretirement benefit plan expense	`PensionAndOtherPostretirementBenefitExpense`	$45.80M	USD	Annual
Pension and postretirement benefit plan expense	`PensionAndOtherPostretirementBenefitExpense`	$45.80M	USD	Annual
Pension and postretirement benefit plan expense	`PensionAndOtherPostretirementBenefitExpense`	$29.29M	USD	Annual
Pension and postretirement benefit plan expense	`PensionAndOtherPostretirementBenefitExpense`	$29.29M	USD	Annual
Contributions to pension and postretirement benefit plans	`PensionAndOtherPostretirementBenefitContributions`	$55.34M	USD	Annual
Contributions to pension and postretirement benefit plans	`PensionAndOtherPostretirementBenefitContributions`	$55.34M	USD	Annual
Contributions to pension and postretirement benefit plans	`PensionAndOtherPostretirementBenefitContributions`	$44.19M	USD	Annual
Contributions to pension and postretirement benefit plans	`PensionAndOtherPostretirementBenefitContributions`	$44.19M	USD	Annual
Contributions to pension and postretirement benefit plans	`PensionAndOtherPostretirementBenefitContributions`	$25.46M	USD	Annual
Contributions to pension and postretirement benefit plans	`PensionAndOtherPostretirementBenefitContributions`	$25.46M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$11.51M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$11.51M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$4.54M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$4.54M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$12.43M	USD	Annual
Earnings of unconsolidated equity-method investments	`IncomeLossFromEquityMethodInvestments`	$12.43M	USD	Annual
Distributions from unconsolidated equity-method investments	`EquityMethodInvestmentDividendsOrDistributions`	$7.85M	USD	Annual
Distributions from unconsolidated equity-method investments	`EquityMethodInvestmentDividendsOrDistributions`	$7.85M	USD	Annual
Distributions from unconsolidated equity-method investments	`EquityMethodInvestmentDividendsOrDistributions`	$2.95M	USD	Annual
Distributions from unconsolidated equity-method investments	`EquityMethodInvestmentDividendsOrDistributions`	$2.95M	USD	Annual
Distributions from unconsolidated equity-method investments	`EquityMethodInvestmentDividendsOrDistributions`	$11.59M	USD	Annual
Distributions from unconsolidated equity-method investments	`EquityMethodInvestmentDividendsOrDistributions`	$11.59M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$53.24M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$53.24M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$43.22M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$43.22M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$37.28M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$37.28M	USD	Annual
Other non-cash adjustments to net income, net	`OtherNoncashIncomeExpense`	$-8.41M	USD	Annual
Other non-cash adjustments to net income, net	`OtherNoncashIncomeExpense`	$-8.41M	USD	Annual
Other non-cash adjustments to net income, net	`OtherNoncashIncomeExpense`	$-14.89M	USD	Annual
Other non-cash adjustments to net income, net	`OtherNoncashIncomeExpense`	$-14.89M	USD	Annual
Other non-cash adjustments to net income, net	`OtherNoncashIncomeExpense`	$-10.44M	USD	Annual
Other non-cash adjustments to net income, net	`OtherNoncashIncomeExpense`	$-10.44M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$17.63M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$17.63M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-31.43M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-31.43M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$81.55M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$81.55M	USD	Annual
Accounts payable and other accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-8.93M	USD	Annual
Accounts payable and other accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-8.93M	USD	Annual
Accounts payable and other accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-3.22M	USD	Annual
Accounts payable and other accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-3.22M	USD	Annual
Accounts payable and other accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-2.16M	USD	Annual
Accounts payable and other accrued liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-2.16M	USD	Annual
Taxes accrued/receivable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-53.24M	USD	Annual
Taxes accrued/receivable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-53.24M	USD	Annual
Taxes accrued/receivable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-84.26M	USD	Annual
Taxes accrued/receivable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-84.26M	USD	Annual
Taxes accrued/receivable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-11.63M	USD	Annual
Taxes accrued/receivable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-11.63M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$81.24M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$81.24M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-112.60M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-112.60M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-16.94M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-16.94M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-4.63M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-4.63M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$10.77M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$10.77M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-12.55M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-12.55M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-22.95M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-22.95M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-10.71M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-10.71M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-32.14M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-32.14M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$267.03M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$267.03M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$594.42M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$594.42M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$351.29M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$351.29M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$611.14M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$611.14M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.01B	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.01B	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$432.59M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$432.59M	USD	Annual
Payments received from transmission project joint funding partners	`Paymentsreceivedfromtransmissionprojectjointfundingpartners`	$17.78M	USD	Annual
Payments received from transmission project joint funding partners	`Paymentsreceivedfromtransmissionprojectjointfundingpartners`	$17.78M	USD	Annual
Payments received from transmission project joint funding partners	`Paymentsreceivedfromtransmissionprojectjointfundingpartners`	$83.71M	USD	Annual
Payments received from transmission project joint funding partners	`Paymentsreceivedfromtransmissionprojectjointfundingpartners`	$83.71M	USD	Annual
Payments received from transmission project joint funding partners	`Paymentsreceivedfromtransmissionprojectjointfundingpartners`	$26.50M	USD	Annual
Payments received from transmission project joint funding partners	`Paymentsreceivedfromtransmissionprojectjointfundingpartners`	$26.50M	USD	Annual
Payments to Acquire Partners Interest in Real Estate Partnership, Net of Cash Acquired	`PaymentsToAcquirePartnersInterestInRealEstatePartnershipNetOfCashAcquired`	$2.53M	USD	Annual
Payments to Acquire Partners Interest in Real Estate Partnership, Net of Cash Acquired	`PaymentsToAcquirePartnersInterestInRealEstatePartnershipNetOfCashAcquired`	$2.53M	USD	Annual
Payments to Acquire Partners Interest in Real Estate Partnership, Net of Cash Acquired	`PaymentsToAcquirePartnersInterestInRealEstatePartnershipNetOfCashAcquired`	$9.88M	USD	Annual
Payments to Acquire Partners Interest in Real Estate Partnership, Net of Cash Acquired	`PaymentsToAcquirePartnersInterestInRealEstatePartnershipNetOfCashAcquired`	$9.88M	USD	Annual
Payments to Acquire Partners Interest in Real Estate Partnership, Net of Cash Acquired	`PaymentsToAcquirePartnersInterestInRealEstatePartnershipNetOfCashAcquired`	$3.81M	USD	Annual
Payments to Acquire Partners Interest in Real Estate Partnership, Net of Cash Acquired	`PaymentsToAcquirePartnersInterestInRealEstatePartnershipNetOfCashAcquired`	$3.81M	USD	Annual
Proceeds from Equity Method Investment, Distribution, Return of Capital	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$8.49M	USD	Annual
Proceeds from Equity Method Investment, Distribution, Return of Capital	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$8.49M	USD	Annual
Proceeds from Equity Method Investment, Distribution, Return of Capital	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	-	USD	Annual
Proceeds from Equity Method Investment, Distribution, Return of Capital	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	-	USD	Annual
Proceeds from Equity Method Investment, Distribution, Return of Capital	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	-	USD	Annual
Proceeds from Equity Method Investment, Distribution, Return of Capital	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	-	USD	Annual
Payments to Acquire Equity Securities, FV-NI	`PaymentsToAcquireEquitySecuritiesFvNi`	$11.64M	USD	Annual
Payments to Acquire Equity Securities, FV-NI	`PaymentsToAcquireEquitySecuritiesFvNi`	$11.64M	USD	Annual
Payments to Acquire Equity Securities, FV-NI	`PaymentsToAcquireEquitySecuritiesFvNi`	$45.57M	USD	Annual
Payments to Acquire Equity Securities, FV-NI	`PaymentsToAcquireEquitySecuritiesFvNi`	$45.57M	USD	Annual
Payments to Acquire Equity Securities, FV-NI	`PaymentsToAcquireEquitySecuritiesFvNi`	$12.23M	USD	Annual
Payments to Acquire Equity Securities, FV-NI	`PaymentsToAcquireEquitySecuritiesFvNi`	$12.23M	USD	Annual
Debt Securities, Held-to-Maturity, Purchase	`DebtSecuritiesHeldToMaturityPurchase`	$-31.22M	USD	Annual
Debt Securities, Held-to-Maturity, Purchase	`DebtSecuritiesHeldToMaturityPurchase`	$-31.22M	USD	Annual
Debt Securities, Held-to-Maturity, Purchase	`DebtSecuritiesHeldToMaturityPurchase`	$-1.84M	USD	Annual
Debt Securities, Held-to-Maturity, Purchase	`DebtSecuritiesHeldToMaturityPurchase`	$-1.84M	USD	Annual
Debt Securities, Held-to-Maturity, Purchase	`DebtSecuritiesHeldToMaturityPurchase`	$-1.62M	USD	Annual
Debt Securities, Held-to-Maturity, Purchase	`DebtSecuritiesHeldToMaturityPurchase`	$-1.62M	USD	Annual
Proceeds from Sale, Debt Security, Trading, and Equity Security, FV-NI, Held-for-Investment	`ProceedsFromSaleOfTradingSecuritiesHeldforinvestment`	$8.92M	USD	Annual
Proceeds from Sale, Debt Security, Trading, and Equity Security, FV-NI, Held-for-Investment	`ProceedsFromSaleOfTradingSecuritiesHeldforinvestment`	$8.92M	USD	Annual
Proceeds from Sale, Debt Security, Trading, and Equity Security, FV-NI, Held-for-Investment	`ProceedsFromSaleOfTradingSecuritiesHeldforinvestment`	$63.86M	USD	Annual
Proceeds from Sale, Debt Security, Trading, and Equity Security, FV-NI, Held-for-Investment	`ProceedsFromSaleOfTradingSecuritiesHeldforinvestment`	$63.86M	USD	Annual
Proceeds from Sale, Debt Security, Trading, and Equity Security, FV-NI, Held-for-Investment	`ProceedsFromSaleOfTradingSecuritiesHeldforinvestment`	$10.64M	USD	Annual
Proceeds from Sale, Debt Security, Trading, and Equity Security, FV-NI, Held-for-Investment	`ProceedsFromSaleOfTradingSecuritiesHeldforinvestment`	$10.64M	USD	Annual
Payments to Acquire Short-term Investments	`PaymentsToAcquireShortTermInvestments`	-	USD	Annual
Payments to Acquire Short-term Investments	`PaymentsToAcquireShortTermInvestments`	-	USD	Annual
Payments to Acquire Short-term Investments	`PaymentsToAcquireShortTermInvestments`	-	USD	Annual
Payments to Acquire Short-term Investments	`PaymentsToAcquireShortTermInvestments`	-	USD	Annual
Payments to Acquire Short-term Investments	`PaymentsToAcquireShortTermInvestments`	$25.00M	USD	Annual
Payments to Acquire Short-term Investments	`PaymentsToAcquireShortTermInvestments`	$25.00M	USD	Annual
Proceeds from Maturities, Prepayments and Calls of Short-term Investments	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	-	USD	Annual
Proceeds from Maturities, Prepayments and Calls of Short-term Investments	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	-	USD	Annual
Proceeds from Maturities, Prepayments and Calls of Short-term Investments	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	$25.00M	USD	Annual
Proceeds from Maturities, Prepayments and Calls of Short-term Investments	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	$25.00M	USD	Annual
Proceeds from Maturities, Prepayments and Calls of Short-term Investments	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	-	USD	Annual
Proceeds from Maturities, Prepayments and Calls of Short-term Investments	`ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments`	-	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-2.15M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-2.15M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-4.88M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-4.88M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-14.57M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-14.57M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-424.27M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-424.27M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-917.66M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-917.66M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-589.95M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-589.95M	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$300.00M	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$300.00M	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$872.00M	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$872.00M	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$198.00M	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$198.00M	USD	Annual
Premium on issuance of long-term debt [Abstract]	`PremiumOnIssuanceOfLongTermDebt`	-	USD	Annual
Premium on issuance of long-term debt [Abstract]	`PremiumOnIssuanceOfLongTermDebt`	-	USD	Annual
Premium on issuance of long-term debt [Abstract]	`PremiumOnIssuanceOfLongTermDebt`	$-186.00K	USD	Annual
Premium on issuance of long-term debt [Abstract]	`PremiumOnIssuanceOfLongTermDebt`	$-186.00K	USD	Annual
Premium on issuance of long-term debt [Abstract]	`PremiumOnIssuanceOfLongTermDebt`	$-7.01M	USD	Annual
Premium on issuance of long-term debt [Abstract]	`PremiumOnIssuanceOfLongTermDebt`	$-7.01M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$49.80M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$49.80M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$225.00M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$225.00M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$4.36M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$4.36M	USD	Annual
Dividends on common stock	`PaymentsOfDividendsCommonStock`	$176.56M	USD	Annual
Dividends on common stock	`PaymentsOfDividendsCommonStock`	$176.56M	USD	Annual
Dividends on common stock	`PaymentsOfDividendsCommonStock`	$163.54M	USD	Annual
Dividends on common stock	`PaymentsOfDividendsCommonStock`	$163.54M	USD	Annual
Dividends on common stock	`PaymentsOfDividendsCommonStock`	$154.29M	USD	Annual
Dividends on common stock	`PaymentsOfDividendsCommonStock`	$154.29M	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	$298.45M	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	$298.45M	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Acquisition of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$3.27M	USD	Annual
Acquisition of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$3.27M	USD	Annual
Acquisition of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$3.11M	USD	Annual
Acquisition of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$3.11M	USD	Annual
Acquisition of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$3.78M	USD	Annual
Acquisition of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$3.78M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-926.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-926.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-403.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-403.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.44M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.44M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$364.68M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$364.68M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$472.77M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$472.77M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$35.32M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$35.32M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-37.67M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-37.67M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$149.85M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$149.85M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$41.44M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$41.44M	USD	Annual
Cash and cash equivalents at beginning of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$327.43M	USD	Point-in-time
Cash and cash equivalents at beginning of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$327.43M	USD	Point-in-time
Cash and cash equivalents at beginning of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$368.87M	USD	Point-in-time
Cash and cash equivalents at beginning of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$368.87M	USD	Point-in-time
Cash and cash equivalents at beginning of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$215.24M	USD	Point-in-time
Cash and cash equivalents at beginning of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$215.24M	USD	Point-in-time
Cash and cash equivalents at beginning of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$177.58M	USD	Point-in-time
Cash and cash equivalents at beginning of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$177.58M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$327.43M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$327.43M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$368.87M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$368.87M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$215.24M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$215.24M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$177.58M	USD	Point-in-time
Cash and cash equivalents at end of the year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$177.58M	USD	Point-in-time
Income taxes	`IncomeTaxesPaidNet`	$6.20M	USD	Annual
Income taxes	`IncomeTaxesPaidNet`	$6.20M	USD	Annual
Income taxes	`IncomeTaxesPaidNet`	$45.88M	USD	Annual
Income taxes	`IncomeTaxesPaidNet`	$45.88M	USD	Annual
Income taxes	`IncomeTaxesPaidNet`	$25.20M	USD	Annual
Income taxes	`IncomeTaxesPaidNet`	$25.20M	USD	Annual
Interest (net of amount capitalized)	`InterestPaidNet`	$85.98M	USD	Annual
Interest (net of amount capitalized)	`InterestPaidNet`	$85.98M	USD	Annual
Interest (net of amount capitalized)	`InterestPaidNet`	$109.07M	USD	Annual
Interest (net of amount capitalized)	`InterestPaidNet`	$109.07M	USD	Annual
Interest (net of amount capitalized)	`InterestPaidNet`	$97.74M	USD	Annual
Interest (net of amount capitalized)	`InterestPaidNet`	$97.74M	USD	Annual
Additions to property, plant and equipment in accounts payable	`CapitalExpendituresIncurredButNotYetPaid`	$84.32M	USD	Annual
Additions to property, plant and equipment in accounts payable	`CapitalExpendituresIncurredButNotYetPaid`	$84.32M	USD	Annual
Additions to property, plant and equipment in accounts payable	`CapitalExpendituresIncurredButNotYetPaid`	$168.11M	USD	Annual
Additions to property, plant and equipment in accounts payable	`CapitalExpendituresIncurredButNotYetPaid`	$168.11M	USD	Annual
Additions to property, plant and equipment in accounts payable	`CapitalExpendituresIncurredButNotYetPaid`	$185.40M	USD	Annual
Additions to property, plant and equipment in accounts payable	`CapitalExpendituresIncurredButNotYetPaid`	$185.40M	USD	Annual

Stockholders Equity 42 line items

Line Item	Tag	Value	Unit	Period
Dividends Declared Per Share of Common Stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.35	USD	Annual
Dividends Declared Per Share of Common Stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.35	USD	Annual
Dividends Declared Per Share of Common Stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.04	USD	Annual
Dividends Declared Per Share of Common Stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.04	USD	Annual
Dividends Declared Per Share of Common Stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.20	USD	Annual
Dividends Declared Per Share of Common Stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.20	USD	Annual
Net income attributable to IDACORP, Inc.	`NetIncomeLoss`	$258.98M	USD	Annual
Net income attributable to IDACORP, Inc.	`NetIncomeLoss`	$258.98M	USD	Annual
Net income attributable to IDACORP, Inc.	`NetIncomeLoss`	$261.19M	USD	Annual
Net income attributable to IDACORP, Inc.	`NetIncomeLoss`	$261.19M	USD	Annual
Net income attributable to IDACORP, Inc.	`NetIncomeLoss`	$289.17M	USD	Annual
Net income attributable to IDACORP, Inc.	`NetIncomeLoss`	$289.17M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-27.12M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-27.12M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$4.26M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$4.26M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.59M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.59M	USD	Annual
Total IDACORP, Inc. shareholders equity at end of year	`StockholdersEquity`	$2.91B	USD	Point-in-time
Total IDACORP, Inc. shareholders equity at end of year	`StockholdersEquity`	$2.91B	USD	Point-in-time
Total IDACORP, Inc. shareholders equity at end of year	`StockholdersEquity`	$2.81B	USD	Point-in-time
Total IDACORP, Inc. shareholders equity at end of year	`StockholdersEquity`	$2.81B	USD	Point-in-time
Total IDACORP, Inc. shareholders equity at end of year	`StockholdersEquity`	$3.33B	USD	Point-in-time
Total IDACORP, Inc. shareholders equity at end of year	`StockholdersEquity`	$3.33B	USD	Point-in-time
Balance at beginning of year	`MinorityInterest`	$7.00M	USD	Point-in-time
Balance at beginning of year	`MinorityInterest`	$7.00M	USD	Point-in-time
Balance at beginning of year	`MinorityInterest`	$7.17M	USD	Point-in-time
Balance at beginning of year	`MinorityInterest`	$7.17M	USD	Point-in-time
Adjustment for income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$578.00K	USD	Annual
Adjustment for income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$578.00K	USD	Annual
Adjustment for income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$777.00K	USD	Annual
Adjustment for income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$777.00K	USD	Annual
Adjustment for income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$698.00K	USD	Annual
Adjustment for income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$698.00K	USD	Annual
Equity, Attributable to Noncontrolling Interest, Ending Balance	`MinorityInterest`	$7.00M	USD	Point-in-time
Equity, Attributable to Noncontrolling Interest, Ending Balance	`MinorityInterest`	$7.00M	USD	Point-in-time
Equity, Attributable to Noncontrolling Interest, Ending Balance	`MinorityInterest`	$7.17M	USD	Point-in-time
Equity, Attributable to Noncontrolling Interest, Ending Balance	`MinorityInterest`	$7.17M	USD	Point-in-time
Total equity at end of year	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.91B	USD	Point-in-time
Total equity at end of year	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.91B	USD	Point-in-time
Total equity at end of year	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.34B	USD	Point-in-time
Total equity at end of year	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.34B	USD	Point-in-time

Comprehensive Income 30 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$261.89M	USD	Annual
Net Income	`ProfitLoss`	$261.89M	USD	Annual
Net Income	`ProfitLoss`	$259.56M	USD	Annual
Net Income	`ProfitLoss`	$259.56M	USD	Annual
Net Income	`ProfitLoss`	$289.95M	USD	Annual
Net Income	`ProfitLoss`	$289.95M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-27.12M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-27.12M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$4.26M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$4.26M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.59M	USD	Annual
Unfunded pension liability adjustment, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.59M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$257.63M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$257.63M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$286.68M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$286.68M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$293.54M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$293.54M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$578.00K	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$578.00K	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$698.00K	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$698.00K	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$777.00K	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$777.00K	USD	Annual
Comprehensive Income Attributable to IDACORP, Inc.	`ComprehensiveIncomeNetOfTax`	$286.10M	USD	Annual
Comprehensive Income Attributable to IDACORP, Inc.	`ComprehensiveIncomeNetOfTax`	$286.10M	USD	Annual
Comprehensive Income Attributable to IDACORP, Inc.	`ComprehensiveIncomeNetOfTax`	$292.77M	USD	Annual
Comprehensive Income Attributable to IDACORP, Inc.	`ComprehensiveIncomeNetOfTax`	$292.77M	USD	Annual
Comprehensive Income Attributable to IDACORP, Inc.	`ComprehensiveIncomeNetOfTax`	$256.93M	USD	Annual
Comprehensive Income Attributable to IDACORP, Inc.	`ComprehensiveIncomeNetOfTax`	$256.93M	USD	Annual

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