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Debt (Schedule of Short-Term and Long-Term Balances of Term Loan) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jan. 18, 2024	Dec. 31, 2023	Jun. 18, 2020
Debt Instrument [Line Items]
Total loan balance	$ 320,280		$ 312,045
Less unamortized loan origination costs	(6,312)		(5,063)
Net borrowings	313,968		306,982
Less short-term Convertible Senior Notes, net	(99,418)		0
Less short-term loan balance, net	(280)		(1,451)
Long-term loan balance, net	214,270		305,531
Convertible Senior Notes
Debt Instrument [Line Items]
Total loan balance	100,000		100,000
Interest rate on amounts borrowed		4.25%		4.25%
Secured Debt
Debt Instrument [Line Items]
Total loan balance	0		211,500
2.45% Sparkasse Zollernalb (KFW Loan 1)
Debt Instrument [Line Items]
Total loan balance	$ 0		61
Interest rate on amounts borrowed	2.45%
1.40% Sparkasse Zollernalb (KFW Loan 2)
Debt Instrument [Line Items]
Total loan balance	$ 280		484
Interest rate on amounts borrowed	1.40%
Initial Term Loan Facility
Debt Instrument [Line Items]
Total loan balance	$ 190,000		0
Revolving Credit Facility
Debt Instrument [Line Items]
Total loan balance	$ 30,000		$ 0