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Off-Balance Sheet Transactions and Guarantees (Tables)
12 Months Ended
Dec. 31, 2019
Off-Balance Sheet Transactions and Guarantees [Abstract]  
Off-Balance Sheet Financial Instruments

At December 31, CTBI had the following off-balance sheet financial instruments, whose approximate contract amounts represent additional credit risk to CTBI:

(in thousands)
 
2019
   
2018
 
Standby letters of credit
 
$
30,679
   
$
29,410
 
Commitments to extend credit
   
564,229
     
510,513
 
Total off-balance sheet financial instruments
 
$
594,908
   
$
539,923