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DIVIDENDS AND DISTRIBUTIONS PAYABLE	12 Months Ended
DIVIDENDS AND DISTRIBUTIONS PAYABLE	Dec. 31, 2012
Equity [Abstract]
Dividends and Distributions Payable	Dividends and Distributions Payable On November 5, 2012, the Board of Trustees declared a cash dividend for the quarter ended December 31, 2012 of $0.18 per Common Share, which was paid on January 15, 2013 to holders of record as of December 31, 2012.