OTHER LIABILITIES (Details) - USD ($) $ in Thousands		Mar. 31, 2019	Dec. 31, 2018
Other Liabilities, Unclassified [Abstract]
Security deposits		$ 19,103	$ 18,432
Prepaid rent and other deferred income		11,951	12,728
Operating lease liabilities - ground leases	[1]	10,041	0
Operating lease liabilities - office leases	[1]	2,376	0
Acquired Below Market Lease Intangibles		5,891	5,891
Accumulated Amortization of Acquired Below Market Lease Intangibles		(3,270)	(3,028)
Acquired Below Market Lease Intangibles, Net of Accumulated Amortization		2,621	2,863
Interest rate swap liabilities		109	0
Prepaid tenant improvement reimbursements		400	614
Other liabilities		15	15
Other Liabilities		$ 46,616	$ 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.