Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	$ 12,520	$ 13,775
Equipment under Finance Leases	$ 485	616
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term debt, net of current portion and unamortized debt issuance costs
Total debt	$ 609,218	603,790
Less current portion of long-term debt and finance leases	252	436
Long-term debt, net of current portion and unamortized debt issuance costs	596,446	589,579
2029 Convertible Notes
Debt Instrument [Line Items]
Long-Term Debt	345,000	345,000
Unamortized Debt Issuance Expense	8,800
Line of Credit - Due October 2026 \| China Merchant Bank \| Line of Credit [Member]
Debt Instrument [Line Items]
Long-Term Debt	0	0
Term Loan - Due June 2028 \| Wells Fargo Bank
Debt Instrument [Line Items]
Long-Term Debt	250,000	250,000
Mortgage Payable - Paid off June 2024 \| East West Bank [Member]
Debt Instrument [Line Items]
Long-Term Debt		8,016
French Government Loan 4 - Due December 2026 \| Seine-Normandie Water Agency [Member]
Debt Instrument [Line Items]
Long-Term Debt	168	158
Revolving line of credit - closed in June 2023 \| Capital One, N.A. \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-Term Debt	$ 0	$ 0

Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments.

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