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Stock-Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Stock-based Compensation [Abstract]        
Stock based compensation expense     $ 687 $ 788
Restricted Stock [Member]        
Stock-based Compensation [Abstract]        
Stock based compensation expense $ 344 $ 411 687 788
Dividend paid on stock based compensation 40 $ 44 80 $ 88
Unrecognized compensation expense related to restricted stock grants $ 2,900   $ 2,900  
Unrecognized compensation expense, weighted average period     2 years 9 months 18 days  
Granted (in shares) 0 0 15,000 52,865
Forfeited (in shares) 328 0 2,437 790
Stock Options [Member]        
Stock-based Compensation [Abstract]        
Stock based compensation expense     $ 0 $ 0
Unrecognized compensation expense related to unvested stock option awards $ 0   $ 0  
Options granted to purchase shares of CTBI common stock (in shares)     0 0
Stock Ownership Incentive 2015 Plan [Member] | Restricted Stock [Member]        
Stock-based Compensation [Abstract]        
Award vesting period     4 years  
Stock Ownership Incentive 2015 Plan [Member] | Restricted Stock [Member] | Maximum [Member]        
Stock-based Compensation [Abstract]        
Period of certain participant employee termination events following change in control for restriction on restricted stock granted to lapse     24 months