Leases - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Lessee, Lease, Description
Operating lease, liability, including sublease receivables	$ 598,300	$ 705,100
Operating lease, liability	585,747
Operating lease, liability, portion ring-fenced by special purpose vehicles	22,600	36,600
Operating lease, liability, portion ring-fenced excluding special purpose vehicles	10,200	6,800
Operating lease, future contracted revenues and sublease income	158,200	179,300
Operating lease costs	141,200	132,500	$ 119,700
Operating lease payments	141,400	122,300	106,800
Short-term lease expense	600	1,000	700
Sublease income	3,000	2,800	1,500
Lease impairment	$ 0	$ 7,563	14,363
Weighted average discount rate	5.02%	4.87%
Weighted average lease term	5 years 8 months 12 days	6 years 6 months
Right-of-use assets	$ 500,464	$ 596,362
Right-of-use liabilities	$ 108,434	$ 107,084
Operating lease, liability, current, statement of financial position flag	Accounts payable, accrued expenses and other liabilities (see Note 26)	Accounts payable, accrued expenses and other liabilities (see Note 26)
Right-of-use liabilities, non-current	$ 489,832	$ 598,044
Rent expense	170,700	162,500	$ 146,800
Management services, servicing fees and other
Lessee, Lease, Description
Operating lease, liability	$ 151,100	$ 172,700
Minimum
Lessee, Lease, Description
Remaining lease terms	1 year
Options to extend leases	1 year
Maximum
Lessee, Lease, Description
Remaining lease terms	11 years
Options to extend leases	10 years