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EMPLOYEE STOCK COMPENSATION - Option Activity (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
USD ($)
$ / shares
shares
Sep. 30, 2021
USD ($)
$ / shares
shares
Number of Shares    
Outstanding at beginning of period (in shares) | shares 14,904 55,069
Exercised (in shares) | shares 0 (40,165)
Outstanding at end of period (in shares) | shares 14,904 14,904
Exercisable at end of period (in shares) | shares 14,904 14,904
Weighted-Average Exercise Price Per Share    
Outstanding at beginning of period (in dollars per share) | $ / shares $ 13.05 $ 13.96
Exercised (in dollars per share) | $ / shares 0 14.30
Outstanding at end of period (in dollars per share) | $ / shares 13.05 13.05
Exercisable at end of period (in dollars per share) | $ / shares $ 13.05 $ 13.05
Weighted-Average Remaining Contract Term    
Outstanding 3 years 6 months 3 years 6 months
Exercisable at end of period 3 years 6 months 3 years 6 months
Aggregated Intrinsic Value    
Outstanding | $ $ 81 $ 81
Exercisable at end of period | $ $ 81 $ 81