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Noncontrolling Interests (Narrative) (Details) | Dec. 31, 2015 shares
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Noncontrolling Interests [Member] |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |
Operating Partnership (OP) Units (in shares) | 16,097,473
Long-Term Incentive Plan (LTIP) Units (in shares) | 1,831,714
OPP Units 2012 [Member] |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |
Long-Term Incentive Plan (LTIP) Units (in shares) | 216,854
MYLTIP 2013 [Member] |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |
Outperformance awards in LTIP Units (in shares) | 309,818
MYLTIP 2014[Member] |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |
Outperformance awards in LTIP Units (in shares) | 476,320
MYLTIP 2015 [Member] |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |
Outperformance awards in LTIP Units (in shares) | 368,415

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