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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2013
Summary of Significant Accounting Policies [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | Amounts reclassified from accumulated other comprehensive income (AOCI) and the affected line items in the statements of income during the three and six month periods ended June 30, 2013 and 2012 were: Unrealized gains (losses) on AFS securities
|  | Amounts Reclassified from AOCI |
(in thousands) |  | Three Months Ended June 30 |  |  | Six Months Ended June 30 |
Affected line item in the statements of income |  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Securities gains (losses) |  | $ | (8 | ) |  | $ | 819 |  |  | $ | (8 | ) |  | $ | 819 |
Tax (benefit) expense |  |  | (3 | ) |  |  | 315 |  |  |  | (3 | ) |  |  | 315 |
Net reclassified amount |  | $ | (5 | ) |  | $ | 504 |  |  | $ | (5 | ) |  | $ | 504 |

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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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