Annual report [Section 13 and 15(d), not S-K Item 405]

Share-based Compensation - Additional Information (Detail)

v3.25.4
Share-based Compensation - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2025
USD ($)
Bank
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation expense | $ $ 4,100      
Weighted average period cost expected to be recognized 1 year 8 months 12 days      
Stock options, expiration term from date of grant 10 years      
Share-based compensation expense | $ $ 3,598 $ 3,575 $ 2,681  
Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Period of continuous service 3 years      
Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Period of continuous service 5 years      
2013 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted under the plan | shares 0      
Unvested or outstanding awards governed by, or further awards available for further grant | shares 0      
2021Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares of common stock to be granted under equity incentive awards | shares 1,500,000      
Shares available for issuance under the Plan | shares 739,840      
2021Plan | Performance Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation expense | $ $ 1,400      
Weighted average period cost expected to be recognized 1 year 9 months 18 days      
Number of shares granted | shares 53,509      
Total fair value of granted shares | $ $ 1,300      
Grant date fair value, vested | $ / shares $ 21.39      
Number of regional banks | Bank 50      
Performance Metric Weighted 50.00%      
2013 and 2021 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation expense | $ $ 0      
Stock options outstanding | shares 0 3,000 61,000 111,000
Options granted in period (shares) | shares 0 0 0  
Stock options, expiration term from date of grant 10 years      
2013 and 2021 Plan | Restricted stock awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation expense | $ $ 2,800      
Weighted average period cost expected to be recognized 1 year 8 months 12 days      
Total fair value of vested shares | $ $ 3,600 $ 2,500 $ 1,400  
Number of shares granted | shares 114,203 170,541 131,021  
Grant date fair value, vested | $ / shares $ 18.51 $ 19.51 $ 19.34  
2013 and 2021 Plan | Performance Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total fair value of vested shares | $ $ 5,200      
Number of shares granted | shares 53,509 88,598 53,696  
Grant date fair value, vested | $ / shares $ 25.1 $ 18.4 $ 9.65  
Share-based compensation expense | $ $ 1,100      
2013 and 2021 Plan | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Period of continuous service 3 years      
2013 and 2021 Plan | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Period of continuous service 5 years      
2013 Equity Compensation Plan | Performance Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options, expiration term from date of grant 3 years      
Share-based compensation arrangement by share-based payment award, vesting rights Each PSU that vests entitles the recipient to receive one share of the Company’s common stock on a specified issuance date