Other Investments - Servicing Advance Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Investments [Line Items]
Total Servicer Advance Receivables	$ 232,835	$ 240,365
Servicer advance financing
Schedule of Investments [Line Items]
Principal and interest advances	78,803	81,447
Escrow advances (taxes and insurance advances)	118,561	123,541
Corporate advances	$ 35,471	$ 35,377