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STOCK OPTIONS, RESTRICTED STOCK, AND DEFERRED COMPENSATION (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares reserved for future grants 94,910 111,049    
Shares reserved that were approved by shareholders at the annual meeting 350,000      
Exercisable period 10 years      
Related Compensation Expense $ 257,200 $ 143,900 $ 161,000  
Subordinated Debt [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Warrants to purchase 37,130      
Exercise price per share (in dollars per share) $ 5.90      
Restricted Stock [Member] | Executive Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock issued to each officer (in shares) 11,448 8,418 11,447  
Value of restricted stock issued (in dollars per share) $ 20.64 $ 20.18 $ 21.72  
Restricted Stock [Member] | Executive Officer [Member] | Savannah River Financial Corporation [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock issued to each officer (in shares)       29,228
Value of restricted stock issued (in dollars per share)       $ 10.55