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STOCK-BASED COMPENSATION - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock based compensation $ 1,063 $ 3,209 $ 543 $ 2,594
Stock swaps equity instruments received (in shares) 16,140 26,572 29,149 118,170
Stock swaps (in shares) 10,610 34,928 32,637 220,879