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Loans and Allowance for Credit Losses - Narrative (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
loan
Dec. 31, 2021
USD ($)
loan
Dec. 31, 2020
USD ($)
loan
Loans and Leases Receivable Disclosure [Line Items]      
Unamortized net deferred fees $ 29,200 $ 26,900  
Servicing asset 361,500 351,100  
Financing receivable, net 7,561,188 6,990,633  
Troubled debt restructured $ 24,444 $ 16,501 $ 19,184
Number of non-performing loans that had collateral liquidated | loan 2   2
Number of non-performing loans that had collateral liquidated amount $ 11,100   $ 870
Number of loans previously defaulted charged off | loan     1
Number of loans previously defaulted charged off, amount     $ 138
Number of loans modified in TDR | loan 1 0 2
Recorded investment - loans modified in TDR $ 19,200   $ 572
ADC Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Financing receivable, net $ 1,500,000    
Percent of ADC loan portfolio using interest reserves 56.00%    
Coronavirus Aid, Relief, and Economic Security Act      
Loans and Leases Receivable Disclosure [Line Items]      
Financing Receivable, 90 Days or More Past Due, Still Accruing $ 0 $ 13,300  
Income Producing Commercial Real Estate and Real Estate Construction      
Loans and Leases Receivable Disclosure [Line Items]      
Minimum cash flow debt service coverage ratio 1.15    
Stress test assumption increase interest rates 2.00%    
Real estate mortgage - residential | Land Acquisition Development and Construction Loans | Maximum      
Loans and Leases Receivable Disclosure [Line Items]      
Loan term 36 months    
Consumer Portfolio Segment | Land Acquisition Development and Construction Loans | Maximum      
Loans and Leases Receivable Disclosure [Line Items]      
Loan term 24 months    
Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Troubled debt restructured $ 946 1,043 1,276
Commercial | Minimum      
Loans and Leases Receivable Disclosure [Line Items]      
Preferred loan term 5 years    
Commercial | Maximum      
Loans and Leases Receivable Disclosure [Line Items]      
Loan term 10 years    
Preferred loan term 7 years    
Amortization term 25 years    
Performing Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Financing receivable, modifications, recorded investment $ 24,400 10,200  
Non-Performing Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Financing receivable, modifications, recorded investment $ 1,400 $ 101 $ 6,300
Number of loans subsequent defaults reclassified to non-performing | loan   1 2