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Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Current: |  |  |
Federal | $ (5,041) | $ 11,869 | $ (13,551)
State | 2,458 | 1,932 | 3,195
Total current | (2,583) | 13,801 | (10,356)
Deferred: |  |  |
Federal | 95,327 | 53,398 | (14,982)
State | 17,342 | 10,974 | 9,565
Total deferred | 112,669 | 64,372 | (5,417)
Income tax expense/(benefit) | 110,086 | 78,173 | (15,773)
Arizona Public Service Company |  |  |
Current: |  |  |
Federal | 1,514 | 57,299 | (54,697)
State | (11) | 99 | 695
Total current | 1,503 | 57,398 | (54,002)
Deferred: |  |  |
Federal | 101,175 | 15,122 | 29,321
State | 22,875 | 16,244 | 15,109
Total deferred | 124,050 | 31,366 | 44,430
Income tax expense/(benefit) | $ 125,553 | $ 88,764 | $ (9,572)

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