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Organization of The Parent Company and The Operating Partnership (Details) | Sep. 30, 2012 A
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Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract] |
Ownership in the Operating Partnership | 98.20%
Area of undeveloped parcels of land (in acres) owned by a Real Estate Venture | 24
Parent Company [Member] |
Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract] |
Net rentable square feet | 24,500,000
Area of undeveloped parcels of land (in acres) owned by a Real Estate Venture | 424
Area of additional undeveloped parcels of land with option to purchase | 52
Unconsolidated real estate ventures [Member] |
Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract] |
Number of unconsolidated real estate ventures | 19
Net rentable square feet | 7,000,000
Wholly-owned management company subsidiaries [Member] |
Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract] |
Net rentable square feet | 31,900,000
Third Parties and Unconsolidated Real Estate Ventures [Member] |
Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract] |
Net rentable square feet | 7,400,000
Total Properties [Member] |
Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract] |
Number of properties with ownership interest | 219
Office Properties [Member] |
Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract] |
Number of properties with ownership interest | 194
Industrial facilities [Member] |
Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract] |
Number of properties with ownership interest | 19
Mixed-use properties [Member] |
Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract] |
Number of properties with ownership interest | 5
Development Property [Member] |
Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract] |
Number of properties with ownership interest | 1

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- Definition Area Of Additional Undeveloped Parcels Of Land With Option to Purchase + References No definition available. + Details
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- Details
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- Definition Area of a real estate property. + References No definition available. + Details
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
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