XML 76 R23.htm IDEA: XBRL DOCUMENT v2.4.0.8
Basis of Presentation and Consolidation (Tables)
12 Months Ended
Dec. 31, 2013
Basis of Presentation and Consolidation  
Schedule of weighted average ownership interest in the operating partnership
  For the Year Ended
December 31,
 
 
  2013   2012   2011  

Weighted average ownership interest

    85.6 %   83.9 %   82.9 %