SHARE-BASED COMPENSATION Schedule of Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award
Compensation cost	$ 8,788	$ 9,362	$ 7,384
IDACORP
Share-based Compensation Arrangement by Share-based Payment Award
Compensation cost	8,788	9,362	7,384
Income tax benefit	2,262	2,410	2,887
Idaho Power Company
Share-based Compensation Arrangement by Share-based Payment Award
Compensation cost	8,639	9,276	7,304
Income tax benefit	$ 2,224	$ 2,388	$ 2,856

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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