Other Comprehensive Income (Loss) - After-tax Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 133,454	$ 111,637	$ 126,653	$ 95,370
Net current period change	(3,017)	(353)	(4,593)	(767)
Ending balance	135,761	120,658	135,761	120,658
Foreign currency translation adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			(20,445)	(19,024)
Net current period change			(9,689)	(1,809)
Ending balance	(30,134)	(20,833)	(30,134)	(20,833)
Pension and post-retirement benefits plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			(22,750)	(27,423)
Amortization of actuarial gain			1,085	2,094
Ending balance	(21,665)	(25,329)	(21,665)	(25,329)
Derivative instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			757	1,441
Net current period change			4,011	(1,052)
Ending balance	4,768	389	4,768	389
Accumulated other comprehensive income (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(44,014)	(45,420)	(42,438)	(45,006)
Net current period change			(9,689)	(1,809)
Ending balance	$ (47,031)	$ (45,773)	$ (47,031)	$ (45,773)