Commitments and Contingencies - Schedule of Principal Debt Repayments (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
2023	$ 639,362
2024	3,285,816
2025	2,008,791
2026	6,086,384
2027	3,896,095
Thereafter	1,660,796
Net book value	$ 17,577,244
Amortization percentage	1.00%
Securitized debt obligations excluded from contractual obligations	$ 2,700,000
Nonconsolidated securitized debt excluded from contractual obligations	1,600,000
Loan participations sold, net, Face Amount	224,744	$ 0
Secured Debt
Debt Instrument [Line Items]
2023	397,365
2024	3,263,819
2025	1,170,360
2026	4,783,810
2027	3,155,937
Thereafter	778,457
Net book value	13,549,748
Asset-Specific Debt
Debt Instrument [Line Items]
2023	0
2024	0
2025	816,434
2026	0
2027	31,900
Thereafter	101,944
Net book value	950,278
Term Loans
Debt Instrument [Line Items]
2023	21,997
2024	21,997
2025	21,997
2026	1,302,574
2027	8,258
Thereafter	780,395
Net book value	2,157,218
Senior Secured Notes
Debt Instrument [Line Items]
2023	0
2024	0
2025	0
2026	0
2027	400,000
Thereafter	0
Net book value	400,000
Convertible Notes
Debt Instrument [Line Items]
2023	220,000
2024	0
2025	0
2026	0
2027	300,000
Thereafter	0
Net book value	$ 520,000

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