Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Other current liabilities) (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Other current liabilities) (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Accounting Policies [Abstract]    
Security deposits payable $ 7,939 $ 5,978
Accrued rent 2,289 1,930
Due to affiliates 893 892
Dividends payable 930 8,949
Miscellaneous liabilities 9,702 11,219
Other Liabilities, Current $ 21,753 $ 28,968