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Other Investments - Schedule of Servicing Advance Investments (Details) - Residential Loans - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Investment [Line Items]
Principal and interest advances	$ 60,216	$ 81,447
Escrow advances (taxes and insurance advances)	91,792	123,541
Corporate advances	32,579	35,377
Total Servicer Advance Receivables	$ 184,587	$ 240,365

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