Other Comprehensive Income (Loss) (Details 1) - USD ($) $ in Thousands |
3 Months Ended |
9 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
| Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease [Roll Forward] |
|
|
|
|
| Beginning Balance |
$ 14,566
|
$ 627
|
$ (2,744)
|
$ 2,867
|
| Other comprehensive income before reclassifications |
(3,333)
|
5,515
|
14,260
|
3,883
|
| Amounts reclassified from accumulated other comprehensive loss |
(273)
|
(55)
|
(556)
|
(663)
|
| Net current-period other comprehensive income (loss) |
(3,606)
|
5,460
|
13,704
|
3,220
|
| Ending Balance |
10,960
|
6,087
|
10,960
|
6,087
|
| Other Comprehensive Income Employee Benefit Plans Adjustment Net Of Tax Period Increase Decrease [Roll Forward] |
|
|
|
|
| Beginning Balance |
(27,833)
|
(28,248)
|
(28,257)
|
(26,878)
|
| Other comprehensive income before reclassifications |
0
|
0
|
0
|
0
|
| Amounts reclassified from accumulated other comprehensive (loss) income |
213
|
133
|
637
|
(1,237)
|
| Net current-period other comprehensive loss (income) |
213
|
133
|
637
|
(1,237)
|
| Ending Balance |
(27,620)
|
(28,115)
|
(27,620)
|
(28,115)
|
| Accumulated Other Comprehensive Income (Loss) Net Of Tax [Roll Forward] |
|
|
|
|
| Beginning Balance |
(13,267)
|
(27,621)
|
(31,001)
|
(24,011)
|
| Other comprehensive income before reclassifications |
(3,333)
|
5,515
|
14,260
|
3,883
|
| Amounts reclassified from accumulated other comprehensive (loss) income |
(60)
|
78
|
81
|
(1,900)
|
| Other comprehensive income |
(3,393)
|
5,593
|
14,341
|
1,983
|
| Ending Balance |
$ (16,660)
|
$ (22,028)
|
$ (16,660)
|
$ (22,028)
|