SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition - Additional Information (Details)	12 Months Ended
	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Discount percentage	2.00%
Percentage of discount accrued at time of sale	100.00%
GPO billing period	30 days
Minimum
Disaggregation of Revenue [Line Items]
Rebate payment term	1 year
Standard payment term	30 days
Product return term	3 years
Maximum
Disaggregation of Revenue [Line Items]
Rebate payment term	3 months
Standard payment term	60 days
Product return term	5 years