Debt (Schedule of Short-Term and Long-Term Balances of Term Loan) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Jun. 18, 2020	Dec. 31, 2015	Apr. 30, 2014
Debt Instrument [Line Items]
Total principal debt	$ 320,195	$ 312,045
Less: Unamortized debt issuance costs	(5,848)	(5,063)
Total debt	314,347	306,982
Less: Current portion of long-term debt	(195)	(1,451)
Long-term debt, net	314,152	305,531
Convertible Senior Notes
Debt Instrument [Line Items]
Total principal debt	$ 100,000	100,000
Interest rate on amounts borrowed	4.25%		4.25%
Unamortized debt issuance costs	$ 400	1,100
Old Term Loan Facility
Debt Instrument [Line Items]
Total principal debt	0	211,500
2.45% Sparkasse Zollernalb (KFW Loan 1)
Debt Instrument [Line Items]
Total principal debt	$ 0	61
Interest rate on amounts borrowed	2.45%				2.45%
1.40% Sparkasse Zollernalb (KFW Loan 2)
Debt Instrument [Line Items]
Total principal debt	$ 195	484
Interest rate on amounts borrowed	1.40%			1.40%
Term Loan Facility
Debt Instrument [Line Items]
Total principal debt	$ 190,000	0
Revolving Credit Facility
Debt Instrument [Line Items]
Total principal debt	30,000	$ 0
Unamortized debt issuance costs	$ 1,700