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Stock Options and Restricted Stock - Narrative (Details)
$ in Millions
9 Months Ended
Sep. 30, 2023
USD ($)
item
shares
Dec. 31, 2022
shares
Stock Options and Restricted Stock Awards    
Granted 239,000  
Number of banks in the index | item 51  
Minimum    
Stock Options and Restricted Stock Awards    
Market capitalization | $ $ 500  
Maximum    
Stock Options and Restricted Stock Awards    
Market capitalization | $ $ 4,000  
2012 Plan    
Stock Options and Restricted Stock Awards    
Number of shares authorized for grant options to its directors, officers, and employees 750,000  
Term of award 10 years  
2012 Plan | Minimum    
Stock Options and Restricted Stock Awards    
Vesting period 4 years  
2012 Plan | Maximum    
Stock Options and Restricted Stock Awards    
Vesting period 5 years  
2017 Plan    
Stock Options and Restricted Stock Awards    
Number of shares authorized for grant options to its directors, officers, and employees 1,500,000  
Term of award 10 years  
Number of unissued shares of the Company's common stock authorized for option grants 0 44,700
2017 Plan | Minimum    
Stock Options and Restricted Stock Awards    
Vesting period 4 years  
2017 Plan | Maximum    
Stock Options and Restricted Stock Awards    
Vesting period 5 years  
2019 EIP    
Stock Options and Restricted Stock Awards    
Number of shares authorized for grant options to its directors, officers, and employees 1,000,000  
Term of award 10 years  
Vesting period 4 years  
Number of unissued shares of the Company's common stock authorized for option grants 0 231,363
2023 EIP    
Stock Options and Restricted Stock Awards    
Number of shares authorized for grant options to its directors, officers, and employees 1,500,000  
Term of award 10 years  
Vesting period 4 years  
Number of unissued shares of the Company's common stock authorized for option grants 1,438,137