Annual report pursuant to Section 13 and 15(d)

Tenant Leases (Details)

v2.4.0.8
Tenant Leases (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Property Subject to or Available for Operating Lease [Line Items]  
2014 $ 505,794
2015 457,096
2016 412,904
2017 361,221
2018 277,600
2019 and thereafter 1,078,234
Total $ 3,092,849
Tenant Leases [Member]
 
Property Subject to or Available for Operating Lease [Line Items]  
Operating leases with various expiration dates through year Mar. 31, 2033
Multi-Family Properties [Member]
 
Property Subject to or Available for Operating Lease [Line Items]  
Lease period 1 year