RELATED PARTY TRANSACTION (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Payments to be received under operating leases	$ 24,472
Sublease Income	5,045
Uptake
Related Party Transaction [Line Items]
Payments to be received under operating leases	18,200
Sublease Income	$ 2,100	$ 2,100	$ 1,900