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Benefit Plans - Change in Net Actuarial Loss (Gain) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Benefit Plans |  |  |
Percentage of greater of projected benefit obligation or fair value of plan assets for amortization of actuarial gains or losses | 5.00% |  |
Amortization period for actuarial gains and losses that exceed threshold | 5 years |  |
Pension Plan |  |  |
Change in net actuarial loss (gain) and amortization |  |  |
Net actuarial loss (gain) at beginning of year | $ 36,357 |  |
Amortization cost | (5,643) | $ (6,961) | $ (5,806)
Liability gain | (38,949) | (4,614) | 14,935
Asset loss | 24,047 | 3,581 | (4,839)
Net actuarial loss (gain) at end of year | 15,812 | 36,357 |
Pension Benefits |  |  |
Change in net actuarial loss (gain) and amortization |  |  |
Net actuarial loss (gain) at beginning of year | 36,357 | 44,351 |
Amortization cost | (5,643) | (6,961) |
Liability gain | (38,949) | (4,614) |
Asset loss | 24,047 | 3,581 |
Net actuarial loss (gain) at end of year | 15,812 | 36,357 | 44,351
Other Benefits |  |  |
Change in net actuarial loss (gain) and amortization |  |  |
Net actuarial loss (gain) at beginning of year | (3,094) | (1,068) |
Amortization cost | 497 | 48 | 211
Liability gain | (5,808) | (2,074) | 303
Net actuarial loss (gain) at end of year | $ (8,405) | $ (3,094) | $ (1,068)

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- Definition Amortization period of amount included in accumulated other comprehensive income (AOCI) related to actuarial gain (loss) when such gains or losses exceed a percentage threshold. + References No definition available. + Details
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- Definition The threshold for amortization of amount included in accumulated other comprehensive income (AOCI) related to actuarial gain (loss) as a percentage of the greater of the projected benefit obligation or the fair value of plan assets. + References No definition available. + Details
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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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