Fair Value Measurements Notional Amount of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Notional Disclosures [Abstract]
Whole loan contracts and related committed IRLCs	$ 1,305	$ 0
Uncommitted IRLCs	252,580	174,274
FMBSs related to uncommitted IRLCs	286,000	174,000
Whole loan contracts and related mortgage loans held for sale	17,864	10,398
FMBSs related to mortgage loans held for sale	206,000	152,000
Mortgage loans held for sale covered by FMBSs	$ 221,600	$ 160,547