RELATED PARTY TRANSACTIONS: Related Party Transactions Level 4 (Details) - Idaho Power Company - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
IDACORP
Related Party Transaction
Services billed to IDACORP	$ 800,000	$ 700,000	$ 700,000
Idaho Power
Related Party Transaction
Payable from Idaho Power to IDACORP	1,900,000	1,900,000	1,900,000
Ida-West
Related Party Transaction
Power purchased from Ida-West	$ 8,600,000	$ 9,700,000	$ 9,800,000

Amount for accounts payable to related parties.

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