RECENT ACCOUNTING PRONOUNCEMENTS Recent Accounting Pronouncements (Details) - USD ($)		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Jun. 30, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right of use assets - Office Leases (operating)		$ 2,499,000		$ 2,115,000
Right of use assets - Ground leases (operating)	[1]	11,764,000		$ 11,997,000
Indirect leasing costs		$ 108,000	$ 93,000
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right of use assets - Ground leases (operating)						$ 10,226,000
Logistics Center 6 & 7 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right of use assets - Ground leases (operating)					$ 2,679,000

[1] See below for information regarding the Company’s right of use assets for ground leases.