Annual report pursuant to Section 13 and 15(d)

Acquisition of Rental Property Schedule of Purchase Price Allocation (Details)

v2.4.0.6
Acquisition of Rental Property Schedule of Purchase Price Allocation (Details) (Business Acquisitions, Combined [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
years
Business Acquisition [Line Items]  
Business Combination, Purchase Price Allocation, Land $ 6,425
Business Acquisition, Purchase Price Allocation, Property 298,147
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets 93,463
Business Acquisition, Purchase Price Allocation, Mortgage Fair Value Adjustments (7,081)
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net 390,954
Business Acquisition, Contingent Consideration, Potential Cash Payment (3,023)
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value (6,845)
Business Combination, Consideration Transferred 381,086
Leases, Acquired-in-Place, Market Adjustment [Member]
 
Business Acquisition [Line Items]  
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets 5,166
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life 7.1
Ground Leases, Market Adjustment [Member]
 
Business Acquisition [Line Items]  
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets 31,993
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life 87.6
Leases, Acquired-in-Place [Member]
 
Business Acquisition [Line Items]  
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets 24,232
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life 4.0
Tenant Relationships [Member]
 
Business Acquisition [Line Items]  
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets 28,628
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life 10.2
Lease and Legal Costs [Member]
 
Business Acquisition [Line Items]  
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets $ 3,444
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life 3.2