OTHER LIABILITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Other Liabilities, Unclassified [Abstract]
Security deposits	$ 18,432	$ 16,668
Prepaid rent and other deferred income	12,728	9,352
Acquired below market lease intangibles	5,891	4,135
Accumulated Amortization, Acquired Below Market Lease Intangibles	(3,028)	(2,147)
Acquired below market lease intangibles, net of accumulated amortization	2,863	1,988
Interest rate swap liabilities	0	695
Prepaid tenant improvement reimbursements	614	124
Other liabilities	15	15
Total Other Liabilities	$ 34,652	$ 28,842