SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES- Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,281	1,661
Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	266
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	180	336
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	29	64
Restricted Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,072	995