Variable Interest Entities and Securitizations - Summary of Unconsolidated Variable Interest Entity (Details) - Variable Interest Entity Not Primary Beneficiary - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Aggregate Principal Balance	$ 6,678	$ 19,543
Carrying Value	6,863	20,902
Total Exposure	6,863	20,902
Rated Notes
Variable Interest Entity [Line Items]
Aggregate Principal Balance	6,368	19,233
Carrying Value	6,056	18,664
Total Exposure	6,056	18,664
Certificates
Variable Interest Entity [Line Items]
Carrying Value	497	1,928
Total Exposure	497	1,928
Other Assets
Variable Interest Entity [Line Items]
Aggregate Principal Balance	310	310
Carrying Value	310	310
Total Exposure	$ 310	$ 310