Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Receivables [Abstract]
Servicing fees	$ 86,786	$ 136,981
Servicing advances	79,308	135,117
Derivative settlements receivable	292,618	21,987
Investor receivables	22,196	44,192
Receivables from sales of servicing	41,063	13,503
Origination receivables	30,890	56,569
Warehouse bank receivable	9,191	8,510
Other receivables	145	127
Provision for current expected credit losses	(6,044)	(1,295)
Total accounts receivable, net	$ 556,153	$ 415,691