Servicing Investments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Net Investment Income [Line Items]
Investment fair value changes, net	$ (22,523)	$ (84,704)	$ (45,722)	$ (89,892)
Servicer advance financing
Net Investment Income [Line Items]
Other interest income	6,000	7,000	12,000	14,000
Investment fair value changes, net	(1,000)	(3,000)	8,000	(6,000)
MSRs, at fair value
Net Investment Income [Line Items]
Other income, net	$ 3,000	$ 2,000	$ 11,000	$ 5,000