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Accumulated Other Comprehensive (Loss) Income (Tables)
12 Months Ended
Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Components of Accumulated Other Comprehensive (Loss) Income
The cumulative balance of each component of accumulated other comprehensive (loss) income is as follows (in thousands):
Foreign
Currency
Translation
Adjustment
Minimum post retirement benefit plan adjustmentsTotal Pre-Tax AmountTax (Benefit) ExpenseAccumulated
Other
Comprehensive
(Loss) Income
Balance at December 31, 2018$(5,939)$(2,040)$(7,979)$(745)$(7,234)
Minimum post retirement benefit plan adjustments— 101 101 24 77 
Foreign currency translation adjustment1,766 — 1,766 — 1,766 
Balance at December 31, 2019$(4,173)$(1,939)$(6,112)$(721)$(5,391)
Minimum post retirement benefit plan adjustments— (487)(487)(116)(371)
Foreign currency translation adjustment3,301 — 3,301 — 3,301 
Balance at December 31, 2020$(872)$(2,426)$(3,298)$(837)$(2,461)