SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Accounting Policies [Abstract]
Allowance for doubtful accounts						$ 0
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Change in ownership of consolidated subsidiaries, net			$ 18,925,000
Non-Controlling Interest
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Change in ownership of consolidated subsidiaries, net			90,120,000
Limited Partner
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Change in ownership of consolidated subsidiaries, net	$ 0	$ 0		$ 0	$ (71,195,000)
Limited Partner | Common Units
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Change in ownership of consolidated subsidiaries, net			$ (71,195,000)