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Condensed Consolidated Statements of Equity/Capital (Parenthetical) (Unaudited)
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Statement of Stockholders' Equity [Abstract]    
Issuances of common units 243,648 8,635,715
Cancellation of restricted common stock, shares 31,123 39,475