Real Estate Transaction (Summary Of Real Estate Property) (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended |
|---|---|
Sep. 30, 2011 | |
| # of Bldgs. | 1 |
| Rentable Square Feet | 204,057 |
| Investment by Company | $ 46,340 |
55 Corporate [Member] | |
| Date | 05/01/11 |
| Property/Address | 55 Corporate Drive |
| Location | Bridgewater, New Jersey |
| # of Bldgs. | 1 |
| Rentable Square Feet | 204,057 |
| Investment by Company | $ 46,340 |