Loans Held for Sale at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Mortgage Loans Held for Sale at Fair Value
Loans held for sale	$ 7,490,473	$ 8,217,468
Government-insured or guaranteed
Mortgage Loans Held for Sale at Fair Value
Loans held for sale	4,035,365	4,154,069
Conventional conforming
Mortgage Loans Held for Sale at Fair Value
Loans held for sale	2,471,765	3,127,082
Jumbo Loan
Mortgage Loans Held for Sale at Fair Value
Loans held for sale	530,442	502,264
Closed-end second lien
Mortgage Loans Held for Sale at Fair Value
Loans held for sale	271,310	272,285
Mortgage loans purchased from Ginnie Mae pools serviced by the entity
Mortgage Loans Held for Sale at Fair Value
Loans held for sale	164,684	145,026
Mortgage loans repurchased pursuant to representations and warranties
Mortgage Loans Held for Sale at Fair Value
Loans held for sale	16,907	16,742
Asset Pledged as Collateral without Right
Mortgage Loans Held for Sale at Fair Value
Loans held for sale	7,433,850	8,140,834
Asset Pledged as Collateral without Right | Loan Repo Facility
Mortgage Loans Held for Sale at Fair Value
Loans held for sale	6,693,386	7,612,832
Asset Pledged as Collateral without Right | Mortgage Loan Participation and Sale Agreement member
Mortgage Loans Held for Sale at Fair Value
Loans held for sale	$ 740,464	$ 528,002