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Disclosures about Fair Value of Assets and Liabilities - Reconciliation of Unobservable Inputs (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Put Option    
Reconciliation of significant unobservable inputs, assets:    
Balance, beginning of period $ 18,654  
Subtractions    
Changes in fair value $ 4,322  
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Noninterest Expense, Noninterest Income.  
Balance, end of period $ 22,976  
Interest Rate Floor    
Reconciliation of significant unobservable inputs, assets:    
Balance, beginning of period 6,576  
Subtractions    
Changes in fair value 2,334  
Balance, end of period 8,910  
Derivative Liabilities - interest rate lock commitments | Interest rate lock commitments    
Reconciliation of significant unobservable inputs, liabilities:    
Balance, beginning of period 4 $ 23
Change in fair value $ 18 $ (19)
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Noninterest Expense, Noninterest Income. Noninterest Expense, Noninterest Income.
Balance, end of period $ 22 $ 4
Servicing rights.    
Reconciliation of significant unobservable inputs, assets:    
Balance, beginning of period 158,457 146,248
Additions    
Originated servicing 2,166 2,173
Subtractions    
Paydowns (2,387) (1,698)
Changes in fair value due to changes in valuation inputs or assumptions used in the valuation model 13,964 (2,856)
Balance, end of period 172,200 143,867
Available for sale securities    
Reconciliation of significant unobservable inputs, assets:    
Balance, beginning of period 485,500  
Subtractions    
Paydowns (8,986)  
Changes in fair value (4,322)  
Balance, end of period 472,192  
Derivative Assets - interest rate lock commitments | Interest rate lock commitments    
Reconciliation of significant unobservable inputs, assets:    
Balance, beginning of period 140 28
Subtractions    
Gains (losses) included in other noninterest income $ (34) $ (190)
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Noninterest Expense, Noninterest Income. Noninterest Expense, Noninterest Income.
Balance, end of period $ 174 $ 218