Senior Debt - Senior Debt Facilities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total senior debt	$ 877,333,000
Unamortized debt issuance expense	(9,607,000)	$ (14,376,000)
Senior debt, net	867,726,000	866,707,000
Letters of credit, amount outstanding	$ 46,700,000	50,400,000
Revolving Credit Facility
Debt Instrument [Line Items]
Maturity date	Jun. 07, 2029
Maximum borrowing capacity	$ 550,000,000	550,000,000
Total senior debt	75,000,000	70,000,000
Amount Available	$ 428,306,000	429,571,000
Term loan
Debt Instrument [Line Items]
Maturity date	Feb. 17, 2028
Maximum borrowing capacity	$ 875,000,000	875,000,000
Total senior debt	802,333,000	811,083,000
Amount Available	0	0
Term Loan and Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	1,425,000,000	1,425,000,000
Total senior debt	877,333,000	881,083,000
Amount Available	$ 428,306,000	$ 429,571,000