Receivables Due From Servicers - Summary of Receivables Due From Servicers (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Loan principal payments due from servicers	$ 36,427	$ 41,425
Other loan servicing receivables	16,107	16,371
Loan servicing receivables	52,534	57,796
Corporate and escrow advances receivable	29,825	27,281
Toral receivables due from servicers	82,359	85,077
Securitized Debt
Related Party Transaction [Line Items]
Loan principal payments due from servicers	36,090	41,289
Other loan servicing receivables	12,430	13,122
Loan servicing receivables	48,520	54,411
Corporate and escrow advances receivable	27,455	25,736
Toral receivables due from servicers	75,975	80,147
Warehouse and Repurchase Facilities and Other
Related Party Transaction [Line Items]
Loan principal payments due from servicers	337	136
Other loan servicing receivables	3,677	3,249
Loan servicing receivables	4,014	3,385
Corporate and escrow advances receivable	2,370	1,545
Toral receivables due from servicers	$ 6,384	$ 4,930