EQUITY (Details) (USD $)	3 Months Ended		6 Months Ended		0 Months Ended		0 Months Ended					6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	May 06, 2013 At The Market Equity Program Agent	Jun. 30, 2014 At The Market Equity Program	Mar. 25, 2014 Performance Based Restricted Stock Equity Incentive Award Plan 2011	Jun. 17, 2014 Service Based Restricted Stock Equity Incentive Award Plan 2011	Mar. 25, 2014 November 30, 2014 Performance Based Restricted Stock Equity Incentive Award Plan 2011	Mar. 25, 2014 November 30, 2015 Performance Based Restricted Stock Equity Incentive Award Plan 2011	Mar. 25, 2014 November 30, 2016 Performance Based Restricted Stock Equity Incentive Award Plan 2011	Jun. 30, 2014 Common Shares
Equity [Line Items]
Number of sales agents					4
Aggregate offering price of common share					$ 150,000,000.0
Remaining capacity to issue						53,300,000
Noncontrolling common units	17,905,257		17,905,257
Percentage of ownership interests classified as noncontrolling	29.80%		29.80%
Conversion of operating partnership units (in shares)												11,852
Shares of restricted stock awarded							112,119	5,864
Award vesting right, percentage									33.30%	33.30%	33.30%
Noncash compensation expense			1,500,000	1,400,000
Unrecognized compensation expense	$ 3,700,000		$ 3,700,000
Weighted average unvested shares outstanding	431,059	419,024	630,374	630,784