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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Statement of Comprehensive Income [Abstract] |  |  |
Net Income | $ 857,658 | $ 712,486 | $ 174,979
Defined benefit pension plans |  |  |
Actuarial gain, net of tax | 367 | 46 | 5,104
Amortization of actuarial (gain) loss, net of tax | 62 | (15) | 603
Effects of settlements, net of tax | 98 | 0 | 4,669
Stranded tax effects of pension plan termination | 0 | 0 | 38,794
Other comprehensive income, net of tax | 527 | 31 | 49,170
Comprehensive income | $ 858,185 | $ 712,517 | $ 224,149

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