Leases - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lessee, Lease, Description
Operating lease, liability, including sublease receivables	$ 705,100	$ 723,900
Operating lease, liability	694,916	712,849
Operating lease, liability, portion ring-fenced by special purpose vehicles	36,600	36,500
Operating lease, future contracted revenues and sublease income	179,300	183,700
Operating lease costs	132,500	119,700	$ 75,500
Operating lease payments	122,300	106,800	81,700
Short-term lease expense	1,000	700	1,100
Sublease income	2,800	1,500	600
Lease impairment	$ 7,563	$ 14,363	0
Weighted average discount rate	4.87%	4.61%
Weighted average lease term	6 years 6 months	7 years
Right-of-use assets	$ 596,362	$ 638,592
Right-of-use liabilities	$ 107,084	$ 96,860
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	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	$ 598,044	$ 627,088
Rent expense	162,500	146,800	$ 105,200
Management services, servicing fees and other
Lessee, Lease, Description
Operating lease, liability	$ 172,700	$ 188,000
Minimum
Lessee, Lease, Description
Remaining lease terms	1 year
Options to extend leases	1 year
Maximum
Lessee, Lease, Description
Remaining lease terms	12 years
Options to extend leases	10 years