|
Investments (Proceeds From Sales And Realized Gains And Losses) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2012
|
Jun. 30, 2011
|
|
| Investments [Abstract] | ||||
| Proceeds | $ 0 | $ 7,067 | $ 10,454 | $ 29,115 |
| Realized gains | 0 | 130 | 663 | 367 |
| Realized losses | $ 0 | $ 19 | $ 64 | $ 101 |