Idaho Power Company Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net income	$ 46,184	$ 44,800
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	45,494	44,286
Deferred income taxes and investment tax credits	(2,517)	(3,390)
Changes in regulatory assets and liabilities	7,873	2,833
Pension and postretirement benefit plan expense	7,266	7,367
Contributions to pension and postretirement benefit plans	(997)	(918)
Earnings of unconsolidated equity-method investments	(2,308)	(2,317)
Distributions from equity-method investments	2,480	2,550
Allowance for equity funds used during construction	(9,123)	(7,769)
Other non-cash adjustments to net income, net	4,083	3,238
Change in:
Receivables	(4,257)	(3,451)
Accounts payable	(44,989)	(42,219)
Taxes accrued/receivable	16,377	17,156
Other current assets	14,521	19,403
Other current liabilities	13,894	2,425
Other assets	(3,672)	(2,234)
Other liabilities	2,690	1,902
Net cash provided by operating activities	92,999	83,662
Investing Activities:
Additions to utility plant	(102,535)	(77,293)
Payments received from transmission project joint funding partners	1,299	1,096
Distributions from equity-method investments, return of investment	2,920	750
Purchases of equity securities	(20,988)	(171)
Purchases of held-to-maturity securities	(29,692)	0
Proceeds from the sale of equity securities	51,288	1,557
Other	2,049	47
Net cash used in investing activities	(98,287)	(79,349)
Financing Activities:
Issuance of long-term debt	50,000	0
Dividends on common stock	(38,371)	(36,379)
Debt issuance costs and other	(76)	(17)
Net cash provided by (used in) financing activities	8,595	(39,422)
Net increase (decrease) in cash and cash equivalents	3,307	(35,109)
Cash and cash equivalents at beginning of the period	215,243	275,116
Cash and cash equivalents at end of the period	218,550	240,007
Supplemental Disclosure of Cash Flow Information:
Interest (net of amount capitalized)	25,306	25,306
Non-cash investing activities:
Additions to property, plant and equipment in accounts payable	52,137	27,910
Idaho Power Company [Member]
Net income	46,214	44,369
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	45,344	44,138
Deferred income taxes and investment tax credits	(3,791)	(2,958)
Changes in regulatory assets and liabilities	7,873	2,833
Pension and postretirement benefit plan expense	7,266	7,367
Contributions to pension and postretirement benefit plans	(997)	(918)
Earnings of unconsolidated equity-method investments	(2,480)	(2,550)
Distributions from equity-method investments	2,480	2,550
Allowance for equity funds used during construction	(9,123)	(7,769)
Other non-cash adjustments to net income, net	908	528
Change in:
Receivables	(4,151)	(5,600)
Accounts payable	(44,982)	(42,193)
Taxes accrued/receivable	18,322	17,482
Other current assets	14,544	19,414
Other current liabilities	13,824	2,451
Other assets	(3,683)	(2,245)
Other liabilities	2,791	2,003
Net cash provided by operating activities	90,359	78,902
Investing Activities:
Additions to utility plant	(102,394)	(77,293)
Payments received from transmission project joint funding partners	1,299	1,096
Distributions from equity-method investments, return of investment	2,920	750
Purchases of equity securities	(20,413)	(171)
Purchases of held-to-maturity securities	(29,692)	0
Proceeds from the sale of equity securities	51,288	1,557
Other	2,049	47
Net cash used in investing activities	(94,943)	(74,014)
Financing Activities:
Issuance of long-term debt	50,000	0
Dividends on common stock	(38,198)	(35,941)
Debt issuance costs and other	(74)	(15)
Net cash provided by (used in) financing activities	11,728	(35,956)
Net increase (decrease) in cash and cash equivalents	7,144	(31,068)
Cash and cash equivalents at beginning of the period	60,075	165,604
Cash and cash equivalents at end of the period	67,219	134,536
Supplemental Disclosure of Cash Flow Information:
Interest (net of amount capitalized)	25,301	25,346
Non-cash investing activities:
Additions to property, plant and equipment in accounts payable	$ 52,137	$ 27,910