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Accumulated Other Comprehensive Loss (Schedule of Reclassifications From Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Salaries and employee benefits | $ (5,133) | $ (5,276) | $ (10,444) | $ (10,258) |
Tax (expense) benefit | (613) | (298) | (1,290) | (757) |
Net income | 1,704 | 1,175 | 3,575 | 2,543 | $ 10,876
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Net income | (372) | (60) | (514) | (210) |
Investment securities- with OTTI [Member] |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Interest income (expense) on investment securities: taxable | (31) | 173 | 5 | 340 |
Tax (expense) benefit | 12 | (69) | (2) | (136) |
Net income | (19) | 104 | 3 | 204 |
Investment Securities -All Other AFS [Member] |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Net gains/(losses) - other | 21 | 80 | 227 | (17) |
Tax (expense) benefit | (9) | (32) | (91) | 7 |
Net income | 12 | 48 | 136 | (10) |
Investment Securities HTM [Member] |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Interest income (expense) on investment securities: taxable | (371) | (152) | (608) | (268) |
Tax (expense) benefit | 149 | 61 | 243 | 107 |
Net income | (222) | (91) | (365) | (161) |
Pension Plan [Member] |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Tax (expense) benefit | 87 | 75 | 172 | 147 |
Net income | (128) | (110) | (258) | (222) |
Pension Plan [Member] | Amortization of unrecognized loss [Member] |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Salaries and employee benefits | (212) | (186) | (424) | (372) |
Pension Plan [Member] | Amortization of transition asset [Member] |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Salaries and employee benefits | 0 | 5 | 0 | 10 |
Pension Plan [Member] | Amortization of prior service costs [Member] |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Salaries and employee benefits | (3) | (4) | (6) | (7) |
SERP [Member] |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Tax (expense) benefit | 10 | 6 | 19 | 13 |
Net income | (15) | (11) | (30) | (21) |
SERP [Member] | Amortization of unrecognized loss [Member] |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Salaries and employee benefits | (20) | (12) | (39) | (24) |
SERP [Member] | Amortization of prior service costs [Member] |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Salaries and employee benefits | $ (5) | $ (5) | $ (10) | $ (10) |

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