Changes in Accumulated Other Comprehensive Income Balances (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Beginning Balance |
$ 17,801
|
|
|
| Other comprehensive income: |
|
|
|
| Change in net actuarial gain (loss) |
43
|
$ (1,723)
|
$ 2,268
|
| Tax effect on change in net actuarial gain (loss) |
(15)
|
603
|
(794)
|
| Unrealized holding (losses) gains arising during the period |
(10,191)
|
3,543
|
22,094
|
| Tax effect on unrealized gains (losses) arising during the period |
3,567
|
(1,240)
|
(7,733)
|
| Reclassification adjustment for gains included in net realized gains |
(5,826)
|
(408)
|
(10,540)
|
| Tax effect on reclassification adjustment for gains included in income tax expense |
2,039
|
143
|
3,689
|
| Other comprehensive income, net of tax |
(10,383)
|
918
|
8,984
|
| Ending Balance |
7,418
|
17,801
|
|
| Pension Liability [Member] |
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Beginning Balance |
(2,600)
|
(1,480)
|
(2,954)
|
| Other comprehensive income: |
|
|
|
| Change in net actuarial gain (loss) |
43
|
(1,723)
|
2,268
|
| Tax effect on change in net actuarial gain (loss) |
(15)
|
603
|
(794)
|
| Other comprehensive income, net of tax |
28
|
(1,120)
|
1,474
|
| Ending Balance |
(2,572)
|
(2,600)
|
(1,480)
|
| Unrealized Gains (Loss) [Member] |
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Beginning Balance |
20,401
|
18,363
|
10,853
|
| Other comprehensive income: |
|
|
|
| Unrealized holding (losses) gains arising during the period |
(10,191)
|
3,543
|
22,094
|
| Tax effect on unrealized gains (losses) arising during the period |
3,567
|
(1,240)
|
(7,733)
|
| Reclassification adjustment for gains included in net realized gains |
(5,826)
|
(408)
|
(10,540)
|
| Tax effect on reclassification adjustment for gains included in income tax expense |
2,039
|
143
|
3,689
|
| Other comprehensive income, net of tax |
(10,411)
|
2,038
|
7,510
|
| Ending Balance |
9,990
|
20,401
|
18,363
|
| Accumulated Other Comprehensive Income [Member] |
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Beginning Balance |
17,801
|
16,883
|
7,899
|
| Other comprehensive income: |
|
|
|
| Change in net actuarial gain (loss) |
43
|
(1,723)
|
2,268
|
| Tax effect on change in net actuarial gain (loss) |
(15)
|
603
|
(794)
|
| Unrealized holding (losses) gains arising during the period |
(10,191)
|
3,543
|
22,094
|
| Tax effect on unrealized gains (losses) arising during the period |
3,567
|
(1,240)
|
(7,733)
|
| Reclassification adjustment for gains included in net realized gains |
(5,826)
|
(408)
|
(10,540)
|
| Tax effect on reclassification adjustment for gains included in income tax expense |
2,039
|
143
|
3,689
|
| Other comprehensive income, net of tax |
(10,383)
|
918
|
8,984
|
| Ending Balance |
7,418
|
17,801
|
$ 16,883
|
| Parent Company [Member] |
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Beginning Balance |
17,801
|
|
|
| Other comprehensive income: |
|
|
|
| Ending Balance |
$ 7,418
|
$ 17,801
|
|