OTHER LIABILITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Other Liabilities, Unclassified [Abstract]
Security deposits	$ 16,668	$ 14,782
Prepaid rent and other deferred income	9,352	9,795
Acquired below market lease intangibles	4,135	4,012
Accumulated Amortization, Acquired Below Market Lease Intangibles	(2,147)	(1,662)
Acquired below market lease intangibles, net of accumulated amortization	1,988	2,350
Interest rate swap liabilities	695	2,578
Prepaid tenant improvement reimbursements	124	343
Other liabilities	15	16
Total Other Liabilities	$ 28,842	$ 29,864