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Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2014
Disclosure Text Block [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | Accumulated other comprehensive income (loss) at June 30, 2014 and December 31, 2013 consisted of the following:
|  |  | June 30, 2014 |  |  | December 31, 2013 |
|  |  | (in thousands) |
| Net unrealized gain on investment securities available-for-sale, net of tax |  | $ | 5,304 |  |  | $ | 2,374 |
| Unamortized component of securities transferred from available-for-sale to held-to-maturity, net of tax |  |  | (1,368 | ) |  |  | (1,425 | )
| Defined benefit pension and post-retirement plans, net of tax |  |  | (2,735 | ) |  |  | (3,493 | )
| Total accumulated other comprehensive income (loss) |  | $ | 1,201 |  |  | $ | (2,544 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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