OTHER LIABILITIES (Details) - USD ($) $ in Thousands		Dec. 31, 2019	Dec. 31, 2018
Other Liabilities, Unclassified [Abstract]
Security deposits		$ 20,351	$ 18,432
Prepaid rent and other deferred income		13,855	12,728
Operating lease liabilities - ground leases	[1]	12,048	0
Operating lease liabilities - office leases	[1]	2,141	0
Acquired below market lease intangibles		8,616	5,891
Accumulated Amortization, Acquired Below Market Lease Intangibles		(4,494)	(3,028)
Acquired below market lease intangibles, net of accumulated amortization		4,122	2,863
Interest rate swap liabilities		678	0
Prepaid tenant improvement reimbursements		56	614
Other liabilities		15,872	15
Total Other Liabilities		$ 69,123	$ 34,652

[1] See Note 1(o) 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 office leases.