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Stockholders' Equity (Tables) | 3 Months Ended
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Mar. 31, 2013
Stockholders' Equity and Preferred Stock [Abstract] |
Change in the components of accumulated other comprehensive income |
(in thousands) |  | Unrealized Gain on Securities |  |  | Unrecognized Net Pension and Postretirement Costs |  |  | Accumulated Other Comprehensive Income |
Balance, December 31, 2012 |  | $ | 3,265 |  |  | $ | (1,440 | ) |  | $ | 1,825 |
Reclassification adjustments to net income: |  |  |  |  |  |  |  |  |  |  |  |
Realized gain on sale of securities, net of tax |  |  | (182 | ) |  |  | 0 |  |  |  | (182 | )
Other comprehensive income, net of reclassification and tax |  |  | (540 | ) |  |  | 16 |  |  |  | (524 | )
Balance, March 31, 2013 |  | $ | 2,543 |  |  | $ | (1,424 | ) |  | $ | 1,119 |

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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=20435746&loc=SL7669686-108580 + Details
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