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GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Change in Goodwill (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Goodwill [Roll Forward]    
Balance, beginning of year $ 19,925 $ 12,592
Acquired goodwill 0 7,029
Adjustments to acquired goodwill (1,201) 304
Balance, end of year $ 18,724 $ 19,925