Securitized Debt and Securitized Debt at Fair Value - Summary of Capitalized Issuance Costs Associated with Trusts (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Capitalized issuance costs	$ 22,870	$ 31,092
2016-1 Trust
Debt Instrument [Line Items]
Capitalized issuance costs		8
2017-2 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	392	535
2018-1 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	185	303
2018-2 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	627	908
2019-1 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	432	687
2019-2 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	597	866
2019-3 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	471	675
2020-1 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	927	1,351
2020-2 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	115	369
2021-1 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	1,392	1,978
2021-2 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	1,347	1,924
2021-3 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	1,563	2,178
2021-4 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	2,382	3,177
2022-1 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	2,252	3,045
2022-2 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	2,188	2,880
2022-MC1 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	426	877
2022-3 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	2,721	3,679
2022-4 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	2,498	3,303
2022-5 Trust
Debt Instrument [Line Items]
Capitalized issuance costs	1,760	$ 2,349
2023-1R Trust
Debt Instrument [Line Items]
Capitalized issuance costs	$ 595