Accumulated Other Comprehensive (Loss) Income - Components of and Changes in Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accumulated Other Comprehensive (Loss) Income [Line Items]
Amounts reclassified from AOCI, tax		$ (1)
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	$ 403,070	361,259
Balance at end of period	409,881	369,849
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		3
Net current period other comprehensive income (loss), net of tax		3
Balance at end of period	394	58
Foreign currency
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	(258)	1,258
Other comprehensive (loss) income before reclassifications	(2,315)	(714)
Amounts reclassified from accumulated other comprehensive income, net of tax		0
Net current period other comprehensive income (loss), net of tax		(714)
Balance at end of period	(2,573)	544
Accumulated other comprehensive (loss) income
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	136	1,313
Other comprehensive (loss) income before reclassifications	(2,315)	(714)
Amounts reclassified from accumulated other comprehensive income, net of tax		3
Net current period other comprehensive income (loss), net of tax		(711)
Balance at end of period	$ (2,179)	$ 602