SHARE-BASED COMPENSATION PLANS - Outstanding Awards (Details) - shares	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Goods and Nonemployee Services Transaction [Line Items]
Options outstanding (in shares)	2,140,618	1,510,968	567,842
2019 Equity Incentive Plan
Share-based Goods and Nonemployee Services Transaction [Line Items]
Total awards outstanding (in shares)	2,278,122	1,640,829
Options | 2019 Equity Incentive Plan
Share-based Goods and Nonemployee Services Transaction [Line Items]
Options outstanding (in shares)	2,074,858	1,425,207
Inducement option awards | 2019 Equity Incentive Plan
Share-based Goods and Nonemployee Services Transaction [Line Items]
Options outstanding (in shares)	65,760	85,761
Restricted stock units | 2019 Equity Incentive Plan
Share-based Goods and Nonemployee Services Transaction [Line Items]
Awards other than options outstanding (in shares)	137,004	129,361
Inducement restricted stock units | 2019 Equity Incentive Plan
Share-based Goods and Nonemployee Services Transaction [Line Items]
Awards other than options outstanding (in shares)	500	500