Fair Value Measurements Notional Amount of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Notional Disclosures [Abstract]
Whole loan contracts and related committed IRLCs	$ 7,082	$ 782
Uncommitted IRLCs	562,101	228,831
FMBSs related to uncommitted IRLCs	570,000	223,000
Whole loan contracts and related mortgage loans held for sale	12,875	3,785
FMBSs related to mortgage loans held for sale	188,000	251,000
Mortgage loans held for sale covered by FMBSs	$ 184,620	$ 263,088