OTHER LIABILITIES AND DEFERRED CREDITS (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Other Liabilities Disclosure [Abstract]
Acquired below market leases, net	$ 26,487		$ 25,952
Prepaid rent and deferred revenue	11,814		11,634
Interest rate swap liability	1,916		801
Deferred rent expense and lease intangible	31		2,210
Deferred compensation	1,573		1,424
Deferred tax liability	95		93
Straight-line rent liability	13,849	$ 800	7,393
Lease liability	6,165	$ 7,700	0
Other liabilities	60		40
Total other liabilities and deferred credits, net	$ 61,990		$ 49,547