|
Benefit Plans (Actuarial assumptions used in determining the projected benefit obligation) (Details)
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|---|
| Actuarial assumptions used in determining the projected benefit obligation | |||
| Discount rate | 4.64% | 3.75% | 4.22% |
| Expected long-term rate of return | 6.00% | 6.00% | 6.00% |