RIGHT OF USE ASSET AND LEASE LIABILITY - Narrative (Details)	12 Months Ended
	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Renewal term	5 years
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Remaining lease term	1 year
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Remaining lease term	20 years