Discontinued Operations (Details Textual) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2013
Property
|
Sep. 30, 2013
Assets
|
Sep. 30, 2013
Property
|
Sep. 30, 2012
Property
|
|
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
Disposal Group, Including Discontinued Operations, Agreed Number of Properties To Be Sold In Future Periods | 225 | 225 | 0 | |
Proceeds from Sale of Property, Plant, and Equipment | $ 1,782,785 | |||
Discontinued Operations (Textual) [Abstract] | ||||
Number of disposed assets | 80 | 304 | 304 | 86 |
Number of surrendered properties | 1 | 1 | 1 | |
Gross disposition price | $ 1,815,900 | $ 432,500 |