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SHAREHOLDERS' EQUITY AND NONCONTROLLING INTERESTS (Details) (USD $) | 6 Months Ended |  |  |  |  | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 Operating Partnership, as General Partner or Managing Member | Dec. 31, 2013 Operating Partnership, as General Partner or Managing Member | Jun. 30, 2014 Series A Preferred Stock Operating Partnership, as General Partner or Managing Member | Dec. 31, 2013 Series A Preferred Stock Operating Partnership, as General Partner or Managing Member | Jun. 30, 2014 At The Market Equity Program Common stock | Jun. 30, 2014 LTIP Units | Dec. 31, 2013 LTIP Units
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |
Common stock issued during the period |  |  |  |  |  |  | 3,400,000 |  |
Gross proceeds from issuance of common stock |  |  |  |  |  |  | $ 92,500,000 |  |
Proceeds from issuance of common stock | $ 88,499,000 | $ 75,871,000 |  |  |  |  | $ 91,200,000 |  |
Limited partners' common OP units |  |  | 1,457,467 | 1,457,467 | 188 | 188 |  |  |
Share-based compensation, outstanding (in shares) |  |  |  |  |  |  |  | 738,367 | 496,047

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