OTHER LIABILITIES (Details) - USD ($) $ in Thousands		Jun. 30, 2019	Dec. 31, 2018
Other Liabilities, Unclassified [Abstract]
Security deposits		$ 19,226	$ 18,432
Prepaid rent and other deferred income		10,316	12,728
Operating lease liabilities - ground leases	[1]	12,503	0
Operating lease liabilities - office leases	[1]	2,340	0
Acquired Below Market Lease Intangibles		7,254	5,891
Accumulated Amortization of Acquired Below Market Lease Intangibles		(3,598)	(3,028)
Acquired Below Market Lease Intangibles, Net of Accumulated Amortization		3,656	2,863
Interest rate swap liabilities		698	0
Prepaid tenant improvement reimbursements		353	614
Other liabilities		5,651	15
Other Liabilities		$ 54,743	$ 34,652

[1] See Note 20 for information regarding the Company’s January 1, 2019, implementation of FASB ASC 842, Leases, and the Company’s right of use assets and related liabilities for ground leases and office leases.