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, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of the federal statutory rate to the effective income tax rate for the TRSs
Decrease in valuation allowance		$ 100
Income tax expense (benefit)	$ (1,450)	553	$ 744
Income Tax Expense (Benefit), Combined Operating Partnership And TRSs Abstract
Total provision	(1,450)	553	718
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 TRS income (loss) subject to tax	(1,157)	2,345	2,024
State income tax, net of federal income tax benefit	65	486	77
Provision to return and deferred adjustment	(872)	0	0
Effect of permanent differences and other	31	(161)	727
Decrease in valuation allowance	0	(2,448)	(2,580)
Income tax expense (benefit)	(1,933)	222	248
Income Tax Expense (Benefit), Combined Operating Partnership And TRSs Abstract
Total provision	(1,933)	222	248
Operating Partnership state and local income tax expense | State
Income Tax Expense (Benefit), Combined Operating Partnership And TRSs Abstract
Total provision	$ 483	$ 331	$ 470