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Benefit Plans - Amounts Recognized in Other Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Pension Plan |  |  |
Amounts arising during the year: |  |  |
Net (gain) loss on pension assets | $ 3,581 | $ (4,839) | $ (16,278)
Net loss (gain) on pension obligations | (4,614) | 14,935 | 21,512
Reclassification adjustments recognized as components of net periodic benefit cost during the year: |  |  |
Net (gain) loss | (6,961) | (5,806) | (6,995)
Amount recognized in other comprehensive income | (7,994) | 4,290 | (1,761)
Other Benefits |  |  |
Amounts arising during the year: |  |  |
Net loss (gain) on pension obligations | (2,074) | 303 | 540
Reclassification adjustments recognized as components of net periodic benefit cost during the year: |  |  |
Net (gain) loss | 48 | 211 | 385
Prior service credit |  | 51 | 429
Amount recognized in other comprehensive income | $ (2,026) | $ 565 | $ 1,354

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- Definition Amount before tax of increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit. + References No definition available. + Details
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- Definition Amount before tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption that has not been recognized in net periodic benefit (cost) credit. + References No definition available. + Details
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