Debt (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term principal	$ 1,037,000	$ 1,036,735
Debt issuance costs	(1,917)	(1,926)
Unamortized discounts	(431)	(1,081)
Total long-term debt	1,034,652	1,033,728
Less: current portion of long-term debt	(99,552)	(175,615)
Long-term debt	935,100	858,113
Variable Rate Term Loans [Member]
Debt Instrument [Line Items]
Long-term principal	937,000	761,000
Fixed Rate Term Loans [Member]
Debt Instrument [Line Items]
Long-term principal	100,000	210,000
Revenue Bonds [Member]
Debt Instrument [Line Items]
Long-term principal	$ 0	$ 65,735