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v3.20.4

Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Pension and postretirement benefits [Abstract] |  |  |  |
Amortization of net actuarial loss, Gross Amount | [1] | $ 1,912 | $ 926 | $ 2,317
Amortization of net actuarial loss, Income Tax (Provision) Benefit | [1] | (483) | (236) | (585)
Amortization of net actuarial loss, Net Amount | [1] | 1,429 | 690 | 1,732
Actuarial gains (losses), Gross Amount | [1] | (31,755) | (6,548) | 7,322
Actuarial gains (losses), Income Tax (Provision) Benefit | [1] | 7,006 | 1,655 | (1,416)
Actuarial gains (losses), Net Amount | [1] | (24,749) | (4,893) | 5,906
Reclassification to retained earnings of stranded tax effects from tax reform, Gross Amount |  | 0 | 0 | 0
Adoption of ASU 2018-02 - reclassification to retained earnings, Income Tax (Provision) Benefit |  | 0 | 0 | (7,925)
Reclassification to retained earnings of stranded tax effects from tax reform, Net Amount |  | 0 | 0 | (7,925)
Foreign currency translation adjustments, Gross Amount |  | (333) | (85) | (819)
Foreign currency translation, Income Tax (Provision) Benefit |  | 0 | 0 | 0
Foreign currency translation adjustments, Net Amount |  | (333) | (85) | (819)
Total other comprehensive income, Gross Amount |  | (30,176) | (5,707) | 8,820
Total other comprehensive income, Income Tax (Provision) Benefit |  | 6,523 | 1,419 | (9,926)
Total other comprehensive loss, net of taxes |  | $ (23,653) | $ (4,288) | $ (1,106)
[1] | Actuarial gains (losses) are amortized into other income (expense). (See Note 12 – Retirement Plans)

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