Stockholders' Equity (Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 1,355,036	$ 1,381,008	$ 1,092,875
Net foreign currency translation adjustment	(10,807)	8,532	(20,920)
Actuarial (loss) gain on pension plans	(233)	(964)	28,125
Net current-period other comprehensive income (loss)	(11,040)	7,568
Ending Balance	1,386,886	1,355,036	1,381,008
Accumulated Other Comprehensive (Loss) Income
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	14,272	6,704	(501)
Ending Balance	3,232	14,272	6,704
Foreign currency items
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(14,789)	(23,321)
Net foreign currency translation adjustment	(9,366)	8,532
Actuarial (loss) gain on pension plans	0	0
Net current-period other comprehensive income (loss)	(9,366)	8,532
Ending Balance	(24,155)	(14,789)	(23,321)
Pension items
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	29,061	30,025
Net foreign currency translation adjustment	(1,441)	0
Actuarial (loss) gain on pension plans	(233)	(964)
Net current-period other comprehensive income (loss)	(1,674)	(964)
Ending Balance	$ 27,387	$ 29,061	$ 30,025