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Accumulated Other Comprehensive Loss (Schedule of Reclassifications From Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Salaries and employee benefits | $ (5,311) | $ (4,982) |
Tax (expense) benefit | (677) | (459) |
Net income | 1,871 | 1,368 | $ 10,876
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Net income | (142) | (150) |
Investment securities- with OTTI [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Interest income (expense) on investment securities: taxable | 36 | 167 |
Tax (expense) benefit | (14) | (67) |
Net income | 22 | 100 |
Investment Securities -All Other AFS [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Net gains/(losses) - other | 206 | (97) |
Tax (expense) benefit | (82) | 39 |
Net income | 124 | (58) |
Investment Securities HTM [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Interest income (expense) on investment securities: taxable | (237) | (116) |
Tax (expense) benefit | 94 | 46 |
Net income | (143) | (70) |
Pension Plan [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Tax (expense) benefit | 85 | 72 |
Net income | (130) | (112) |
Pension Plan [Member] | Amortization of unrecognized loss [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Salaries and employee benefits | (212) | (186) |
Pension Plan [Member] | Amortization of transition asset [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Salaries and employee benefits | 0 | 5 |
Pension Plan [Member] | Amortization of prior service costs [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Salaries and employee benefits | (3) | (3) |
SERP [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Tax (expense) benefit | 9 | 7 |
Net income | (15) | (10) |
SERP [Member] | Amortization of unrecognized loss [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Salaries and employee benefits | (19) | (12) |
SERP [Member] | Amortization of prior service costs [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Salaries and employee benefits | $ (5) | $ (5) |

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