Mortgage Loans Held for Sale - Derivative Instruments Related to Mortgage Loan Activity (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Forward mortgage loan purchase commitments
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Notional	$ 391,434	$ 83,962
Derivative Assets	132	708
Derivative Liabilities	0	0
Forward RMBS purchase contracts | Designated as Hedging Instrument
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Notional	516,600	51,100
Derivative Assets	3,227	715
Derivative Liabilities	0	817
Cash collateral receivable (payable)	5,000	715
Interest rate swap futures contracts | Designated as Hedging Instrument
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Notional	59,000	7,300
Derivative Assets	1,329	489
Derivative Liabilities	0	0
Cash collateral receivable (payable)	$ 2,000	$ 720