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Accumulated Other Comprehensive Income (Loss)
12 Months Ended
Dec. 31, 2020
Other Comprehensive Income [Abstract]  
Accumulated Other Comprehensive Income ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Accumulated other comprehensive income (loss) includes the following items by components for the years ended December 31, 2020, 2019 and 2018 (in thousands):
Defined Benefit PensionDefined Benefit Post-RetirementForeign Currency TranslationTotal
Balance as of January 1, 2018(60,575)(1,097)(1,348)(63,020)
Other comprehensive income (loss) before reclassifications:
Actuarial gain (loss) for retiree liabilities(41,051)117 — (40,934)
Foreign currency translation adjustment— — (171)(171)
Amounts reclassified from accumulated other comprehensive income:
Actuarial costs (reclassified to salaries, wages and benefits)3,547 219 — 3,766 
Income Tax (Expense) or Benefit9,037 (80)40 8,997 
Other comprehensive income (loss), net of tax(28,467)256 (131)(28,342)
Balance as of December 31, 2018(89,042)(841)(1,479)(91,362)
Other comprehensive income (loss) before reclassifications:
Actuarial gain (loss) for retiree liabilities20,793 — 20,800 
Foreign currency translation adjustment— — (18)(18)
Amounts reclassified from accumulated other comprehensive income:
Foreign currency loss— — 2,253 2,253 
Actuarial costs (reclassified to salaries, wages and benefits)15,528 172 — 15,700 
Income Tax (Expense) or Benefit(8,431)(40)(768)(9,239)
Other comprehensive income (loss), net of tax27,890 139 1,467 29,496 
Balance as of December 31, 2019(61,152)(702)(12)(61,866)
Other comprehensive income (loss) before reclassifications:
Actuarial gain (loss) for retiree liabilities(25,712)74 — (25,638)
Foreign currency translation adjustment— — (2)(2)
Amounts reclassified from accumulated other comprehensive income:
Actuarial costs (reclassified to salaries, wages and benefits)3,763 124 — 3,887 
Income Tax (Expense) or Benefit5,008 (45)— 4,963 
Other comprehensive income (loss), net of tax(16,941)153 (2)(16,790)
Balance as of December 31, 2020(78,093)(549)(14)(78,656)