SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Reclassification) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2019 USD ($) lease
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of leases | lease			2
Finance lease, right-of-use asset			$ 8,700
Lease liability			$ 8,200
Accounting Standards Update 2016-02 | Office Revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Tenant reimbursement revenue	$ 2,500	$ 900
Accounting Standards Update 2016-02 | Real Estate Revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Tenant reimbursement revenue	$ 22	$ 24