Condensed Consolidated Statements of Income Statement - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Operating Revenues:
Electric utility revenues	$ 315,774	$ 338,699	$ 665,546	$ 648,160
Other operating revenues	1,121	1,253	1,668	1,898
Total operating revenues	316,895	339,952	667,214	650,058
Operating Expenses:
Purchased power	58,063	62,980	120,894	124,908
Fuel expense	20,826	21,515	72,696	49,250
Power cost adjustment	16,122	19,963	42,347	45,501
Other operations and maintenance	87,007	92,314	175,913	178,512
Energy efficiency programs	11,458	8,802	21,570	16,399
Depreciation	41,172	41,348	83,406	81,416
Taxes other than income taxes	9,377	9,118	18,237	18,395
Total electric utility expenses	244,025	256,040	535,063	514,381
Other	1,090	1,077	2,252	2,253
Total operating expenses	245,115	257,117	537,315	516,634
Operating Income	71,780	82,835	129,899	133,424
Other Income (Expense):
Allowance for equity funds used during construction	6,699	5,985	13,054	12,018
Earnings of equity-method investments	2,997	1,537	5,379	5,552
Other Income (Expense), Net	1,060	309	3,173	(150)
Interest Expense:
Interest on long-term debt	21,156	21,412	42,310	42,099
Other interest	3,685	2,162	7,138	5,121
Allowance for borrowed funds used during construction	(2,733)	(2,606)	(5,324)	(5,078)
Total interest expense, net	22,108	20,968	44,124	42,142
Income Before Income Taxes	60,428	69,698	107,381	108,702
Income Tax Expense	7,028	7,105	11,344	9,998
Net Income	53,400	62,593	96,037	98,704
Adjustment for loss attributable to noncontrolling interests	(244)	(305)	(195)	(274)
Net Income Attributable to IDACORP, Inc.	$ 53,156	$ 62,288	$ 95,842	$ 98,430
Weighted-average common shares outstanding - basic	50,499	50,435	50,504	50,430
Weighted-average common shares outstanding - diluted	50,507	50,481	50,512	50,472
Earnings Per Share of Common Stock:
Earnings attributable to IDACORP, Inc. - basic (in dollars per share)	$ 1.05	$ 1.24	$ 1.90	$ 1.95
Earnings attributable to IDACORP, Inc. - diluted (in dollars per share)	$ 1.05	$ 1.23	$ 1.90	$ 1.95
Idaho Power Company
Operating Revenues:
Electric utility revenues	$ 315,774	$ 338,699	$ 665,546	$ 648,160
Operating Expenses:
Purchased power	58,063	62,980	120,894	124,908
Fuel expense	20,826	21,515	72,696	49,250
Power cost adjustment	16,122	19,963	42,347	45,501
Other operations and maintenance	87,007	92,314	175,913	178,512
Energy efficiency programs	11,458	8,802	21,570	16,399
Depreciation	41,172	41,348	83,406	81,416
Taxes other than income taxes	9,377	9,118	18,237	18,395
Total electric utility expenses	244,025	256,040	535,063	514,381
Operating Income	71,749	82,659	130,483	133,779
Other Income (Expense):
Allowance for equity funds used during construction	6,699	5,985	13,054	12,018
Earnings of equity-method investments	2,034	683	4,265	4,825
Other Income (Expense), Net	165	(391)	1,087	(1,519)
Total other income	8,898	6,277	18,406	15,324
Interest Expense:
Interest on long-term debt	21,156	21,412	42,310	42,099
Other interest	3,677	2,148	7,106	5,093
Allowance for borrowed funds used during construction	(2,733)	(2,606)	(5,324)	(5,078)
Total interest expense, net	22,100	20,954	44,092	42,114
Income Before Income Taxes	58,547	67,982	104,797	106,989
Income Tax Expense	7,371	7,345	12,037	10,496
Net Income	$ 51,176	$ 60,637	$ 92,760	$ 96,493