Long-Term Debt - Outstanding amounts and available borrowings under Senior Secured Credit Facilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Long-term debt
Less: unamortized original issue discount	$ (9,600)
Less: unamortized finance costs	(6,900)
Long-Term Debt	1,516,593	$ 1,521,079
Less: current portion	(23,275)	(22,121)
Long-term debt, net of current portion	1,493,318	1,498,958
Less: outstanding letters of credit	(19,200)	(17,200)
Senior Secured Credit Facilities
Long-term debt
Less: outstanding letters of credit	(4,900)	(4,900)
Term Loan Facility
Long-term debt
Principal amount of borrowings	1,400,000	1,400,000
Less: cumulative principal payments	(51,049)	(37,034)
Less: unamortized original issue discount	(9,600)	(12,016)
Less: unamortized finance costs	(3,816)	(4,721)
Long-Term Debt	1,335,535	1,346,229
Less: current portion	(14,015)	(14,015)
Long-term debt, net of current portion	1,321,520	1,332,214
Revolving Credit Facility
Long-term debt
Principal amount of borrowings	65,000	65,000
Less: outstanding letters of credit	(4,902)	(4,930)
Less: availability reduction due to Total Leverage Ratio	(37,348)	(37,320)
Additional letters of credit capacity	$ 22,750	$ 22,750