INCOME TAXES - Reconciliation of Tax Rate for TRS and Total Provision for TRS and Operating Partnership (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of the federal statutory rate to the effective income tax rate for the TRSs
Income tax expense (benefit)	$ 553	$ 744	$ 4,894
Income Tax Expense (Benefit), Combined Operating Partnership And TRSs Abstract
Total provision	553	718	4,357
TRS
Reconciliation of the federal statutory rate to the effective income tax rate for the TRSs
Tax provision (benefit) at U.S. statutory rates on TRSs income (loss) subject to tax	2,345	2,024	(809)
State income tax, net of federal income tax benefit	486	77	(120)
Effect of permanent differences and other	(161)	727	(152)
Increase (decrease) in valuation allowance	(2,448)	(2,580)	5,029
Income tax expense (benefit)	222	248	3,948
Income Tax Expense (Benefit), Combined Operating Partnership And TRSs Abstract
Total provision	222	248	3,948
Operating Partnership | State
Income Tax Expense (Benefit), Combined Operating Partnership And TRSs Abstract
Total provision	$ 331	$ 470	$ 409