SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Investments in Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Schedule of Available-for-sale Securities [Line Items]
Investments in unconsolidated entities	$ 78,276	$ 44,869
NIP Joint Venture
Schedule of Available-for-sale Securities [Line Items]
Investments in unconsolidated entities	1,225	1,476
Battery Point Series A-3 Preferred Units
Schedule of Available-for-sale Securities [Line Items]
Investments in unconsolidated entities	$ 13,991	$ 0

The carrying amount of investments in unconsolidated real estate and other joint ventures not separately presented. This includes direct and indirect investments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Name:	us-gaap_RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant