Debt Obligations - Credit and Repurchase Facilities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2025	Dec. 31, 2024	Jan. 31, 2025
Debt Obligations
Debt Carrying Value	$ 4,780,753	$ 3,559,490
Collateral Carrying Value	$ 6,714,699	5,087,957
Wtd. Avg. Note Rate	6.70%
Outstanding principal balance repaid	$ 26,600	26,600
Mortgage notes payable — real estate owned	123,851	74,897
Mortgages
Debt Obligations
Mortgage notes payable — real estate owned	123,900	74,900
Structured Business
Debt Obligations
Debt Carrying Value	4,501,349	3,136,829
Collateral Carrying Value	$ 6,401,776	4,652,502
Wtd. Avg. Note Rate	6.75%
Deferred financing fees	$ 10,900	8,600
Structured Business \| $1.9B joint repurchase facility
Debt Obligations
Maximum borrowing capacity	1,900,000
Debt Carrying Value	748,753	657,690
Collateral Carrying Value	$ 1,235,968	1,104,791
Wtd. Avg. Note Rate	6.75%
Structured Business \| $1.15B repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 1,150,000
Debt Carrying Value	1,113,614	0
Collateral Carrying Value	$ 1,398,106	0
Wtd. Avg. Note Rate	6.26%
Structured Business \| $1B repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 1,000,000
Debt Carrying Value	196,386	215,459
Collateral Carrying Value	$ 303,943	336,193
Wtd. Avg. Note Rate	6.96%
Structured Business \| $1B repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 1,000,000
Debt Carrying Value	761,498	781,812
Collateral Carrying Value	$ 1,039,585	1,055,321
Wtd. Avg. Note Rate	7.18%
Expiration period after the lender provides written notice	6 months
Line of credit facility, repurchase period	6 months
Structured Business \| $750M repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 750,000
Debt Carrying Value	313,503	202,798
Collateral Carrying Value	$ 491,985	362,695
Wtd. Avg. Note Rate	6.83%
Structured Business \| $650M repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 650,000
Debt Carrying Value	470,189	499,017
Collateral Carrying Value	$ 638,975	678,017
Wtd. Avg. Note Rate	6.90%
Structured Business \| $400M credit facility
Debt Obligations
Maximum borrowing capacity	$ 400,000		$ 400,000
Debt Carrying Value	107,321	138,695
Collateral Carrying Value	$ 207,035	237,123
Wtd. Avg. Note Rate	7.67%
Structured Business \| $400M repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 400,000
Debt Carrying Value	91,935	74,896
Collateral Carrying Value	$ 134,335	109,920
Wtd. Avg. Note Rate	6.76%
Structured Business \| $350M repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 350,000
Debt Carrying Value	127,773	134,189
Collateral Carrying Value	$ 203,135	203,135
Wtd. Avg. Note Rate	6.52%
Structured Business \| $250M repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 250,000
Debt Carrying Value	7,569	0
Collateral Carrying Value	$ 13,453	0
Wtd. Avg. Note Rate	7.67%
Length of extension option	1 year
Structured Business \| $250M repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 250,000
Debt Carrying Value	116,628	0
Collateral Carrying Value	$ 146,365	0
Wtd. Avg. Note Rate	5.90%
Structured Business \| $200M repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 200,000
Debt Carrying Value	187,369	155,676
Collateral Carrying Value	$ 260,960	214,441
Wtd. Avg. Note Rate	6.96%
Structured Business \| $150M repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 150,000
Debt Carrying Value	123,536	108,696
Collateral Carrying Value	$ 164,863	145,148
Wtd. Avg. Note Rate	7.42%
Structured Business \| $110M loan specific credit facilities
Debt Obligations
Maximum borrowing capacity	$ 110,000
Debt Carrying Value	101,414	133,965
Collateral Carrying Value	$ 138,458	181,108
Wtd. Avg. Note Rate	6.56%
Structured Business \| $40M credit facility
Debt Obligations
Maximum borrowing capacity	$ 40,000
Debt Carrying Value	15,422	15,387
Collateral Carrying Value	$ 24,610	24,610
Wtd. Avg. Note Rate	6.76%
Structured Business \| $35M working capital facility
Debt Obligations
Maximum borrowing capacity	$ 35,000
Debt Carrying Value	0	0
Collateral Carrying Value	$ 0	0
Wtd. Avg. Note Rate	0.00%
Structured Business \| Repurchase facility - securities
Debt Obligations
Debt Carrying Value	$ 18,439	18,549
Collateral Carrying Value	$ 0	0
Wtd. Avg. Note Rate	6.11%
Structured Business \| $500M credit facility, performing loans
Debt Obligations
Maximum borrowing capacity	$ 500,000
Structured Business \| $250M credit facility, nonperforming loans
Debt Obligations
Maximum borrowing capacity	250,000
Agency Business
Debt Obligations
Debt Carrying Value	279,404	422,661
Collateral Carrying Value	$ 312,923	435,455
Wtd. Avg. Note Rate	5.83%
Deferred financing fees	$ 300	200
Agency Business \| $750M ASAP agreement
Debt Obligations
Maximum borrowing capacity	750,000
Debt Carrying Value	39,606	62,196
Collateral Carrying Value	$ 39,656	62,372
Wtd. Avg. Note Rate	5.46%
Agency Business \| $500M repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 500,000
Debt Carrying Value	6,909	40,872
Collateral Carrying Value	$ 6,909	41,165
Wtd. Avg. Note Rate	5.80%
Agency Business \| $200M credit facility
Debt Obligations
Maximum borrowing capacity	$ 200,000
Debt Carrying Value	125,570	141,169
Collateral Carrying Value	$ 137,407	141,971
Wtd. Avg. Note Rate	5.81%
Agency Business \| $200M credit facility
Debt Obligations
Maximum borrowing capacity	$ 200,000
Debt Carrying Value	42,514	137,762
Collateral Carrying Value	$ 42,577	138,793
Wtd. Avg. Note Rate	5.76%
Agency Business \| $100M joint repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 100,000
Debt Carrying Value	62,301	28,611
Collateral Carrying Value	$ 83,870	38,962
Wtd. Avg. Note Rate	6.16%
Agency Business \| $50M credit facility
Debt Obligations
Maximum borrowing capacity	$ 50,000
Debt Carrying Value	2,504	11,723
Collateral Carrying Value	$ 2,504	11,723
Wtd. Avg. Note Rate	5.76%
Agency Business \| $1M repurchase facility
Debt Obligations
Maximum borrowing capacity	$ 1,000
Debt Carrying Value	0	328
Collateral Carrying Value	$ 0	$ 469
Wtd. Avg. Note Rate	6.80%

The balance represents the carrying value of loans and securities held as collateral.

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Mortgage Note Payable, Real Estate Owned

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Carrying value as of the balance sheet date, of securities sold under agreements to repurchase and the carrying value, as of the balance sheet date, of the outstanding borrowings under warehouse and revolving lines of credit.

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- Definition

Weighted average interest rate of debt outstanding.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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