|
Employee Benefit Plans (Schedule of Net Period Benefit Cost and Other Amounts Recognized in Other Comprehensive Income) (Details) (USD $)
In Thousands, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
| Supplemental Executive Retirement Plan [Member] |
|
|
|
| Net period benefit cost |
|
|
|
| Service cost |
$ 270 |
$ 326 |
$ 269 |
| Interest cost |
456 |
377 |
408 |
| Recognized net actuarial loss |
140 |
224 |
114 |
| Amortization of prior service cost (credit) |
19 |
19 |
19 |
| Net period benefit cost |
885 |
946 |
810 |
| Changes in funded status recognized in other comprehensive loss, before taxes |
|
|
|
| Net actuarial (gain) loss |
777 |
(579) |
1,334 |
| Amortization of net unrecognized actuarial loss |
(140) |
(224) |
(114) |
| Amortization of prior service (cost) credit |
(19) |
(19) |
(19) |
| Total recognized in OCI, before taxes |
618 |
(822) |
1,201 |
| Total recognized in net period benefit cost and OCI, before taxes |
1,503 |
124 |
2,011 |
| Other Postretirement Benefit Plan [Member] |
|
|
|
| Net period benefit cost |
|
|
|
| Service cost |
45 |
42 |
70 |
| Interest cost |
132 |
173 |
148 |
| Recognized net actuarial loss |
10 |
48 |
31 |
| Amortization of prior service cost (credit) |
(22) |
(23) |
|
| Net period benefit cost |
165 |
240 |
249 |
| Changes in funded status recognized in other comprehensive loss, before taxes |
|
|
|
| Net actuarial (gain) loss |
(134) |
(538) |
275 |
| Amortization of net unrecognized actuarial loss |
(10) |
(48) |
(31) |
| Amortization of prior service (cost) credit |
22 |
23 |
|
| Total recognized in OCI, before taxes |
(122) |
(563) |
244 |
| Total recognized in net period benefit cost and OCI, before taxes |
$ 43 |
$ (323) |
$ 493 |