Subsequent Events (Details) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jul. 24, 2024 USD ($)
Subsequent Event [Line Items]
Subsequent Events	On July 24, 2024, the Company entered into definitive agreements to acquire certain mortgage operation assets of Flagstar Bank, N.A., including $1.1 billion in MSRs, $85 million in advances, subservicing contracts, and a correspondent lending platform. This purchase will be funded through available cash and drawdowns of existing MSR lines. Upon closing, the Company expects to onboard 1.3 million customers and add approximately $356 billion in UPB. The transaction is expected to close in the fourth quarter of 2024, subject to customary closing conditions.
Subsequent Event | Flagstar Bank, N.A.
Subsequent Event [Line Items]
Asset Acquisition, Customers acquired, Amount		1,300,000
Subsequent Event | Mortgage servicing rights | Flagstar Bank, N.A.
Subsequent Event [Line Items]
Asset Acquisition, Assets Acquired, Amount		$ 1,100
Asset Acquisition, Assets Acquired, UPB		356,000
Subsequent Event | Advances and Other Receivables | Flagstar Bank, N.A.
Subsequent Event [Line Items]
Asset Acquisition, Assets Acquired, Amount		$ 85