Stockholders' Equity (Components of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 277,042	$ 257,857	$ 241,752
Other comprehensive income (loss), before tax amount	(4,534)	(1,776)	4,687
Other comprehensive income (loss), tax effect	(1,358)	(561)	345
Other comprehensive income (loss), net of tax	(5,892)	(2,337)	5,032
Balance at end of period	306,522	277,042	257,857
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(35,008)	(32,671)	(37,703)
Other comprehensive income (loss), net of tax	(5,892)	(2,337)	5,032
Balance at end of period	(40,900)	(35,008)	(32,671)
Pension and other postretirement actuarial items
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(4,732)	(7,079)	(6,942)
Balance at end of period		(4,732)	(7,079)
Pension and other postretirement actuarial items, before reclassifications
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(5,123)	(7,543)
Other comprehensive income (loss), before reclassifications, before tax amount	5,797	2,332	(920)
Other comprehensive income (loss), before reclassifications, tax	(1,021)	(376)	319
Other comprehensive income (loss), before reclassifications, net of tax amount	4,776	1,956	(601)
Balance at end of period	44	(5,123)	(7,543)
Reclassification adjustment for recognition of actuarial items
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification adjustment, before tax amount	721	498	537
Reclassification adjustment, tax effect	(176)	(107)	(73)
Reclassification adjustment, net of tax amount	545	391	464
Foreign currency translation adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(30,276)	(25,592)	(30,761)
Other comprehensive income (loss), before reclassifications, before tax amount	(11,243)	(4,606)	5,070
Other comprehensive income (loss), before reclassifications, tax	(161)	(78)	99
Other comprehensive income (loss), before reclassifications, net of tax amount	(11,404)	(4,684)	5,169
Reclassification adjustment, before tax amount	191
Reclassification adjustment, tax effect	0
Reclassification adjustment, net of tax amount	191
Balance at end of period	$ (41,680)	$ (30,276)	$ (25,592)