SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reclassifications (Details) - Revision of Prior Period, Reclassification, Adjustment - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2020
Reclassification [Line Items]
Non-cash compensation	$ 0.2
Other Assets
Reclassification [Line Items]
Deferred Finance Costs, Gross, Revollving Line of Credit		$ 1.2
Accumulated Amortization, Deferred Finance Costs, Revolving Line of Credit		$ 0.5