|
Summary of Significant Accounting Policies - Narative (Details) (USD $)
|
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
|
Jun. 30, 2012
Property
|
Jun. 30, 2011
Property
|
Jun. 30, 2012
Property
|
Jun. 30, 2011
Property
|
Dec. 31, 2011
|
|
| Accounting Policies [Line Items] | |||||
| Number of properties with impairment indicators (in properties) | 7 | ||||
| Real estate investment property, net, with impairment indicators | $ 53,100,000 | $ 53,100,000 | |||
| Number of properties with impairment indicators with no impairment | 6 | 6 | |||
| Number of properties impaired | 1 | 0 | 1 | 0 | |
| Impairment of real estate assets | 1,979,000 | 0 | 1,979,000 | 0 | |
| Assets | 3,354,738,000 | 3,354,738,000 | 3,430,322,000 | ||
|
Unconsolidated joint ventures
|
|||||
| Accounting Policies [Line Items] | |||||
| Assets | 58,600,000 | 58,600,000 | 59,300,000 | ||
| Notes payable | $ 33,800,000 | $ 33,800,000 | $ 34,100,000 | ||