Debt - Future Minimum Principal Payments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Convertible and exchangeable senior notes, outstanding principal	$ 278,422	$ 278,422
Corporate Debt
Debt Instrument [Line Items]
Remaining 2023	200,000
2024	0
2025	78,422
2026	300,000
2027	0
2028 and thereafter	0
Total	578,422
Nonrecourse
Debt Instrument [Line Items]
Remaining 2023	102,985
2024	863,853
2025	700,000
2026	1,519,690
2027	600,000
2028 and thereafter	1,085,000
Total	4,871,528	4,634,235
Secured Debt \| Corporate Debt
Debt Instrument [Line Items]
Remaining 2023	0
2024	0
2025	0
2026	300,000
2027	0
2028 and thereafter	0
Total	300,000
Secured Debt \| Nonrecourse \| Operating
Debt Instrument [Line Items]
Remaining 2023	102,985
2024	863,253
2025	700,000
2026	1,519,690
2027	600,000
2028 and thereafter	1,085,000
Total	4,870,928	4,633,735
Secured Debt \| Nonrecourse \| Corporate and Other—Consolidated fund
Debt Instrument [Line Items]
Remaining 2023	0
2024	600
2025	0
2026	0
2027	0
2028 and thereafter	0
Total	600	500
Convertible and Exchangeable Senior Notes \| 5.00% Convertible Senior Notes
Debt Instrument [Line Items]
Convertible and exchangeable senior notes, outstanding principal	$ 200,000	$ 200,000
Interest rate	5.00%
Convertible and Exchangeable Senior Notes \| Corporate Debt
Debt Instrument [Line Items]
Remaining 2023	$ 200,000
2024	0
2025	78,422
2026	0
2027	0
2028 and thereafter	0
Total	$ 278,422

Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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