v2.4.0.8
Summary of Significant Accounting Policies (Investments in Partially-Owned Entities) (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2013
investment
Dec. 31, 2012
investment
Accounting Policies [Abstract]    
Number of real estate related investments 3 3
Other than temporary impairment on investments $ 40