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Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2024
USD ($)
segment
office
reporting_unit
$ / shares
shares
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Jul. 16, 2019
shares
Schedule Of Accounting Policies [Line Items]        
Full service facilities maintained by bank | office 71      
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Interest receivable Interest receivable    
Accrued interest receivable $ 25,600 $ 23,700    
Minimum period required for satisfactory performance to return loan from non-accrual to accrual status 6 months      
Credit loss expense (reversal) $ (3,854) (2,090)    
Commercial loans as a percentage of total loan 64.00%      
Residential real estate loans as a percentage of total loan 17.00%      
Installment loans as a percentage of total loan 20.00%      
Investment in limited partnerships $ 24,900 27,200    
Investment program, proportional amortization method, elected, commitment $ 14,900      
Contractually Specified Servicing Fee Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Mortgage servicing income, net      
Contractually specified servicing fees, amount $ 1,700 2,700 $ 4,800  
Gross Carrying Amount 10,200      
Goodwill 155,211 155,211    
Advertising expense $ 1,200 $ 1,200 $ 900  
Uncertain tax positions recognized 50.00%      
Shares, non-dilutive (in shares) | shares 85,512 226,028 319,760  
Number of shares authorized to be repurchased (in shares) | shares       2,250,000
Number of shares repurchased (in shares) | shares 803,349      
Average price per share repurchased (in USD per share) | $ / shares $ 16.89      
Compensation expense $ 4,600 $ 3,600 $ 2,500  
Number of reporting units | reporting_unit 1      
Number of operating segments | segment 1      
Real estate        
Schedule Of Accounting Policies [Line Items]        
Credit loss expense (reversal) $ (184) $ 3,107    
Real estate | Residential mortgage        
Schedule Of Accounting Policies [Line Items]        
Transfer from held-in-portfolio to held-for-sale 2,800      
Real estate | Mortgage warehouse        
Schedule Of Accounting Policies [Line Items]        
Transfer from held-in-portfolio to held-for-sale 64,800      
Real estate | Residential Mortgage And Mortgage Warehousing Loans        
Schedule Of Accounting Policies [Line Items]        
Credit loss expense (reversal) $ 900      
Minimum        
Schedule Of Accounting Policies [Line Items]        
Loan delinquency period 90 days      
Minimum | Buildings and improvements        
Schedule Of Accounting Policies [Line Items]        
Useful Life for depreciation 3 years      
Minimum | Furniture and equipment        
Schedule Of Accounting Policies [Line Items]        
Useful Life for depreciation 2 years      
Maximum        
Schedule Of Accounting Policies [Line Items]        
Allowance for loan losses charge down family first and junior lien mortgages past due period 180 days      
Allowance for loan losses charge down unsecured open end loans past due period 90 days      
Maximum | Buildings and improvements        
Schedule Of Accounting Policies [Line Items]        
Useful Life for depreciation 40 years      
Maximum | Furniture and equipment        
Schedule Of Accounting Policies [Line Items]        
Useful Life for depreciation 20 years      
Measurement Input, Discount Rate        
Schedule Of Accounting Policies [Line Items]        
Factor considered to be significant for fair value measurement 0.10