OTHER LIABILITIES AND DEFERRED CREDITS (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Other Liabilities Disclosure [Abstract]
Acquired below market leases, net	$ 24,884		$ 25,952
Prepaid rent and deferred revenue	11,020		11,634
Interest rate swap liability	1,092		801
Deferred rent expense and lease intangible	1,424		2,210
Deferred compensation	1,438		1,424
Deferred tax liability	93		93
Straight-line rent liability	7,929	$ 800	7,393
Lease liability	7,692	$ 7,700	0
Other liabilities	46		40
Total other liabilities and deferred credits, net	$ 55,618		$ 49,547