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Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Mar. 06, 2020
$ / shares
shares
Dec. 31, 2023
USD ($)
segment
office
$ / shares
shares
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2021
USD ($)
shares
Jul. 16, 2019
shares
Schedule Of Accounting Policies [Line Items]          
Full service facilities maintained by bank | office   71      
Accrued interest receivable   $ 23,700 $ 17,500    
Minimum period required for satisfactory performance to return loan from non-accrual to accrual status   6 months      
Commercial loans as a percentage of total loan   61.00%      
Residential real estate loans as a percentage of total loan   15.00%      
Installment loans as a percentage of total loan   23.00%      
Mortgage warehouse loans as a percentage of total loan   1.00%      
Investment in limited partnerships   $ 27,200 4,500    
Qualified affordable housing investments obtained in exchange for funding commitments   14,491 0 $ 0  
Gross Carrying Amount   13,600      
Goodwill   155,211 155,211 154,572  
Cash surrender of BOLI   113,900      
Proceeds from bank owned life insurance   69,765 $ 3,554 $ 783  
BOLI receivable, surrendered but still active   6,600      
Bank owned life insurance receivable   44,000      
BOLI tax expense   $ 8,600      
Uncertain tax positions recognized   50.00%      
Shares, non-dilutive (in shares) | shares   226,028 319,760 140,955  
Number of shares authorized to be repurchased (in shares) | shares         2,250,000
Number of shares repurchased (in shares) | shares 1,000,000 803,349      
Average price per share repurchased (in USD per share) | $ / shares $ 15.19 $ 16.89      
Amount available for payment of dividend   $ 117,200      
Compensation expense   $ 3,600 $ 2,500 $ 1,800  
Number of business segment | segment   1      
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]   Interest receivable      
Cash Surrendered Bank Owned Life Insurance          
Schedule Of Accounting Policies [Line Items]          
Proceeds from bank owned life insurance   $ 69,900      
Measurement Input, Discount Rate          
Schedule Of Accounting Policies [Line Items]          
Factor considered to be significant for fair value measurement   0.10      
Minimum          
Schedule Of Accounting Policies [Line Items]          
Loan delinquency period   90 days      
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      
Buildings and improvements | Minimum          
Schedule Of Accounting Policies [Line Items]          
Useful Life for depreciation   3 years      
Buildings and improvements | Maximum          
Schedule Of Accounting Policies [Line Items]          
Useful Life for depreciation   40 years      
Furniture and equipment | Minimum          
Schedule Of Accounting Policies [Line Items]          
Useful Life for depreciation   2 years      
Furniture and equipment | Maximum          
Schedule Of Accounting Policies [Line Items]          
Useful Life for depreciation   20 years