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Fair Value Measurements Notional Amount of Financial Instruments (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Notional Disclosures [Abstract]    
Best efforts contracts and related committed IRLCs $ 0 $ 782
Uncommitted IRLCs 262,529 228,831
FMBSs related to uncommitted IRLCs 341,088 223,000
Best efforts contracts and related mortgage loans held for sale 16,507 3,785
FMBSs related to mortgage loans held for sale 232,518 251,000
Mortgage loans held for sale covered by FMBSs $ 233,378 $ 263,088