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Long-Term Indebtedness (Schedule of Long-term Debt) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Debt Instrument [Line Items]
Unamortized deferred financing fees	$ (11,413)	$ (12,882)
Long-term debt	852,590	945,185
Less current portion	(3,658)	(3,683)
Long-term debt, excluding current maturities	848,932	941,502
2030 Convertible Notes
Debt Instrument [Line Items]
Long-term debt, gross	460,000	460,000
2026 Convertible Notes
Debt Instrument [Line Items]
Long-term debt, gross	0	92,000
Line of Credit
Debt Instrument [Line Items]
Long-term debt, gross	0	0
Term Loan
Debt Instrument [Line Items]
Long-term debt, gross	395,010	397,005	$ 280,000
Other
Debt Instrument [Line Items]
Long-term debt, gross	$ 8,993	$ 9,062