Accumulated Other Comprehensive (Loss) Income - Components of and Changes in Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Accumulated Other Comprehensive (Loss) Income [Line Items]
Amounts reclassified from AOCI, tax		$ (2)
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	$ 403,070	361,259
Balance at end of period	416,183	381,847
Unrecognized pension and postretirement benefits
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	394	55
Other comprehensive (loss) income before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive income, net of tax		5
Net current period other comprehensive income (loss), net of tax		5
Balance at end of period	394	60
Foreign currency
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	(258)	1,258
Other comprehensive (loss) income before reclassifications	(7,680)	2,093
Amounts reclassified from accumulated other comprehensive income, net of tax		0
Net current period other comprehensive income (loss), net of tax		2,093
Balance at end of period	(7,938)	3,351
Accumulated other comprehensive (loss) income
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	136	1,313
Other comprehensive (loss) income before reclassifications	(7,680)	2,093
Amounts reclassified from accumulated other comprehensive income, net of tax		5
Net current period other comprehensive income (loss), net of tax		2,098
Balance at end of period	$ (7,544)	$ 3,411