Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI before tax, beginning balance	$ (3,298)	$ (6,112)
Accumulated other comprehensive income, tax, beginning balance	(837)	(721)
Accumulated other comprehensive income, beginning balance	(2,461)	(5,391)
Adjustment to pension benefit liability, taxes	10	7
Other comprehensive income (loss), net of tax	3,225	(5,880)
AOCI before tax, ending balance	(63)	(11,985)
Accumulated other comprehensive income, tax, ending balance	(827)	(714)
Accumulated other comprehensive income, ending balance	764	(11,271)
Accumulated Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI before tax, beginning balance	(872)	(4,173)
Other comprehensive income adjustments	3,198	(5,898)
Other comprehensive income (loss), net of tax	3,198	(5,898)
AOCI before tax, ending balance	2,326	(10,071)
Accumulated Defined Benefit Plans Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive income adjustments	37	25
Other comprehensive income (loss), net of tax	27	18
Minimum post retirement benefit plan adjustments | Accumulated Defined Benefit Plans Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI before tax, beginning balance	(2,426)	(1,939)
Other comprehensive income adjustments	37	25
AOCI before tax, ending balance	$ (2,389)	$ (1,914)