v3.25.1
COMMON STOCK: Level 4 (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2025
USD ($)
$ / shares
shares
Idaho Power Company  
Shareholders' equity  
Ratio of Indebtedness to Net Capital 0.53
Dividend Distribution Restriction Amount | $ $ 1,200,000
Dividend Distribution Restriction Threshold 0.35
Ratio of total Capital to total capital and long-term debt 0.47
Preferred Stock, Shares Outstanding 0
IDACORP  
Shareholders' equity  
Maximum leverage ratio requirement 0.65
Ratio of Indebtedness to Net Capital 0.51
Dividend Distribution Restriction Amount | $ $ 1,500,000
Stock Issued During Period, Shares, New Issues 57,902
IDACORP | Dividend Reinvestment and Stock Purchase Plan  
Shareholders' equity  
Stock Issued During Period, Shares, New Issues 13,310
IDACORP | Directors  
Shareholders' equity  
Stock Issued During Period, Shares, New Issues 9,273
IDACORP | Performance Shares  
Shareholders' equity  
Restricted Stock Unit Awards to Employees 82,344
Stock Issued During Period, Shares, New Issues 35,319
IDACORP | At-the-Market Offering Program  
Shareholders' equity  
At-the-Market Offering Program, Maximum Value Of Shares To Be Issued | $ $ 300,000
Common Stock Capital Shares Reserved For Future Issuance, Remaining | $ $ 155,500
Stock Issued During Period, Shares, New Issues 0
IDACORP | Forward Sale Agreements  
Shareholders' equity  
Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements 0
IDACORP | ATM Forward Sale Agreements  
Shareholders' equity  
Registered Public Offering, Price Per Share | $ / shares $ 114.26
Common Shares To Deliver To Settle Forward Sales Agreement, Gross 1,254,170
Cash To Be Received On Settlement Of Forward Sale Agreement | $ $ 143,302
Registered Public Offering, Initial Common Shares Executed 452,256
Registered Public Offering, Executed Amount | $ $ 52,200
Registered Public Offering, Commission and Fees Amount | $ 700
Cash To Deliver To Settle Forward Sales Agreement, Net | $ $ 1,000
Common Shares To Deliver To Settle Forward Sales Agreement, Net 9,022
IDACORP | ATM Forward Sale Agreements Maturity 11/12/25  
Shareholders' equity  
Registered Public Offering, Price Per Share | $ / shares $ 113.97
Common Shares To Deliver To Settle Forward Sales Agreement, Gross 500,000
Cash To Be Received On Settlement Of Forward Sale Agreement | $ $ 56,984
IDACORP | ATM Forward Sale Agreements Maturity 12/31/25  
Shareholders' equity  
Registered Public Offering, Price Per Share | $ / shares $ 114.98
Common Shares To Deliver To Settle Forward Sales Agreement, Gross 301,914
Cash To Be Received On Settlement Of Forward Sale Agreement | $ $ 34,715
IDACORP | ATM Forward Sale Agreements Maturity 3/31/26 1  
Shareholders' equity  
Registered Public Offering, Price Per Share | $ / shares $ 114.69
Common Shares To Deliver To Settle Forward Sales Agreement, Gross 198,086
Cash To Be Received On Settlement Of Forward Sale Agreement | $ $ 22,718
IDACORP | ATM Forward Sale Agreements Maturity 3/31/26 2  
Shareholders' equity  
Registered Public Offering, Price Per Share | $ / shares $ 113.64
Common Shares To Deliver To Settle Forward Sales Agreement, Gross 254,170
Cash To Be Received On Settlement Of Forward Sale Agreement | $ $ 28,885