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STOCK-BASED COMPENSATION - Summary of RSU Activity (Details) - Restricted Stock Units (RSUs)
3 Months Ended
Mar. 31, 2022
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Unvested at beginning of period (in shares) | shares 51,277
RSUs granted (in shares) | shares 17,437
RSUs exercised (in shares) | shares (14,285)
RSUs forfeited (in shares) | shares (17,209)
Unvested at end of period (in shares) | shares 37,220
Weighted-Average Grant-Date Fair Value (per share)  
Unvested at beginning of period (in dollars per share) | $ / shares $ 62.69
RSUs granted (in dollars per share) | $ / shares 56.34
RSUs vested (in dollars per share) | $ / shares 58.14
RSUs forfeited (in dollars per share) | $ / shares 67.23
Unvested at end of period (in dollars per share) | $ / shares $ 59.36