SHAREHOLDERS' EQUITY AND NONCONTROLLING INTERESTS (Details) (USD $)	3 Months Ended		1 Months Ended	3 Months Ended					3 Months Ended			1 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012 At The Market Equity Program [Member]	Mar. 31, 2012 At The Market Equity Program [Member]	Mar. 31, 2012 Operating Partnership, as General Partner or Managing Member [Member]	Dec. 31, 2011 Operating Partnership, as General Partner or Managing Member [Member]	Mar. 31, 2012 Series A Preferred Stock [Member] Operating Partnership, as General Partner or Managing Member [Member]	Dec. 31, 2011 Series A Preferred Stock [Member] Operating Partnership, as General Partner or Managing Member [Member]	Mar. 31, 2012 Common Stock [Member] At The Market Equity Program [Member]	Mar. 31, 2012 LTIP Units [Member]	Dec. 31, 2011 LTIP Units [Member]	Jan. 31, 2012 Maximum [Member] Common Stock [Member]	Apr. 30, 2012 Issuance of Stock Cash Proceeds Received [Member] At The Market Equity Program [Member]
Noncontrolling Interest [Line Items]
Common Stock, Reserved for Future Issuance, Value, At The Market Equity Program												$ 75,000,000
Stock Issued During Period, Shares, New Issues (in shares)									800,000
Gross Proceeds from Issuance of Common Stock				18,200,000
Proceeds from Issuance of Common Stock	$ 8,029,000	$ 0	$ 8,200,000	$ 17,900,000									$ 9,700,000
Limited Partners' Capital Account, Units Outstanding (in shares)					384,991	279,748	188	188
Share-based Compensation, Units Outstanding (in shares)										237,000	217,826