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Derivative Financial Instruments - Net Gains (Losses) Relating to Derivative Instruments (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Derivative [Line Items]    
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Mortgage revenue Mortgage revenue
Interest rate lock commitments | Designated as Hedging Instrument    
Derivative [Line Items]    
Net change in fair value of interest rate swaps $ 37 $ 15
Forward sales commitments | Designated as Hedging Instrument    
Derivative [Line Items]    
Net change in fair value of interest rate swaps (54) 106
Net gains (losses) | Designated as Hedging Instrument    
Derivative [Line Items]    
Net change in fair value of interest rate swaps $ (17) $ 121