Accounts Receivable, Net - Principal Categories of Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Receivables [Abstract]
Servicing receivable-general	$ 25,958	$ 14,943
Pair off receivable	2,136	619
Servicing sale receivable	27,104	29,503
Servicing advance receivable	59,786	77,257
Servicing advance reserve	(2,417)	(3,355)
Agency receivable	280	595
Income tax receivable	2,308	1,902
Interest on servicing deposits	266	302
Other	2,202	2,925
Accounts receivable, net	$ 117,623	$ 124,691