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- Details

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Commitments and Contingencies - Contractual Commitments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Agency Business Commitments
Restricted cash	$ 713,808	$ 486,690	$ 197,470	$ 210,875
Total
2023	2,669,327
2024	3,242,539
2025	2,044,234
2026	4,619,414
2027	704,305
Thereafter	374,874
Total	$ 13,654,693
Operating Lease, Weighted average remaining lease term (in years)	8 years 2 months 12 days	8 years 2 months 12 days
Operating Lease, Weighted average discount rate (as a percent)	6.80%	4.00%
Operating lease expense	$ 9,600	$ 9,300	$ 6,200
Unfunded CLO Commitments
Unfunded commitments related to structured loans and investments	1,150,000	$ 975,200
Fannie Mae Mortgage
Agency Business Commitments
Minimum liquid assets to be maintained to meet operational liquidity requirements	$ 18,500
Period of funding for collateral requirement	48 months
Fannie Mae Mortgage \| Agency Business Segment
Agency Business Commitments
Outstanding letters of credit	$ 64,000
Freddie Mac Mortgage \| Agency Business Segment
Agency Business Commitments
Outstanding letters of credit	$ 5,000
Forward Contracts
Agency Business Commitments
Period of contractual commitment	60 days
Minimum
Total
Remaining lease term	2 months 12 days	1 month 6 days
Maximum
Total
Remaining lease term	10 years 4 months 24 days	9 years
Restricted liquidity arrangement - loans sold under the Fannie Mae DUS program \| Fannie Mae Mortgage
Agency Business Commitments
Minimum liquid assets to be maintained to meet operational liquidity requirements	$ 64,400
Letter of credit assigned	64,000
Reserve required to fund additional restricted liquidity over the next 48 months	$ 37,000
Period of additional funding for collateral requirement	48 months
Cash collateral arrangement - purchase and loss obligations under Freddie Mac's SBL Program
Agency Business Commitments
Cash collateral per securitization	$ 5,000
Outstanding letters of credit	5,000
Minimum capital arrangement - Seller/servicer agreements with secondary market investors
Minimum Annual Operating Lease Payments
2023	8,946
2024	8,881
2025	9,008
2026	9,043
2027	7,598
Thereafter	27,706
Total	71,182
Loss sharing arrangement
Debt Obligations
2023	2,660,381
2024	3,233,658
2025	2,035,226
2026	4,610,371
2027	696,707
Thereafter	347,168
Total	$ 13,583,511