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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Statement of Comprehensive Income [Abstract] |  |  |
Net Income | $ 712,486 | $ 174,979 | $ 80,925
Defined benefit pension plans |  |  |
Actuarial gain (loss), net of tax | 46 | 5,104 | (3,466)
Amortization of actuarial (gain) loss, net of tax | (15) | 603 | (131)
Effects of Settlements, net of tax | 0 | 4,669 | 1,001
Stranded tax effects of pension plan termination | 0 | 38,794 | 0
Other comprehensive income (loss), net of tax | 31 | 49,170 | (2,596)
Comprehensive income | $ 712,517 | $ 224,149 | $ 78,329

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