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Leases - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Lessee, Lease, Description |  |  |
Operating lease, liability, including sublease receivables | $ 672,900 |  | $ 705,100
Operating lease, liability | 663,172 |  | 694,916
Operating lease, liability, portion ring-fenced by special purpose vehicles | 36,600 |  | 36,600
Operating lease, future contracted revenues and sublease income | 202,300 |  | $ 179,300
Operating lease costs | 33,500 | $ 33,900 |
Operating lease payments | 31,800 | 29,900 |
Short-term lease expense | 400 | 200 |
Sublease income | $ 600 | 800 |
Weighted average discount rate | 4.94% |  | 4.87%
Weighted average lease term | 6 years 3 months 18 days |  | 6 years 6 months
Right-of-use assets | $ 568,118 |  | $ 596,362
Right-of-use liabilities | $ 104,891 |  | $ 107,084
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 | $ 568,044 |  | $ 598,044
Rent expense | 41,700 | $ 39,500 |
Management services, servicing fees and other |  |  |
Lessee, Lease, Description |  |  |
Operating lease, liability | $ 159,200 |  | $ 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 |  |

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- Definition Amount of lease cost recognized by lessee for lease contract. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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