Indebtedness - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Warehouse & MSR Facilities
Debt Instrument [Line Items]
Short-Term Debt, Weighted Average Interest Rate, over Time	7.60%	7.60%
Unsecured Senior Notes
Debt Instrument [Line Items]
Maximum percentage redeemable on secured debt	40.00%
Unsecured Senior Notes
Debt Instrument [Line Items]
Repayments of debt	$ 0	$ 0
Amount of principal redeemed	$ 0	$ 0