v2.4.0.8
Noncontrolling Interests (Narrative) (Details)
Sep. 30, 2014
Noncontrolling Interests [Member]
 
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]  
Operating Partnership (OP) Units (in shares) 16,456,297
Long-Term Incentive Plan (LTIP) Units (in shares) 1,505,386
Series Four Preferred Units (in shares) 40,440
OPP Units 2012 [Member]
 
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]  
Outperformance awards in LTIP Units (in shares) 394,590
MYLTIP [Member]
 
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]  
2013 MYLTIP 314,974
MYLTIP 2014 [Member]
 
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]  
2014 MYLTIP 483,555