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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 |

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