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Securities (Details Textual) (USD $)
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1 Months Ended | 12 Months Ended | |
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Aug. 31, 2011
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Dec. 31, 2012
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Dec. 31, 2011
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| Held-to-maturity Securities, Transferred Security, at Carrying Value | $ 16,400,000 | ||
| Held-to-maturity Securities, Transferred to Available-for-sale Securities, Unrealized Gain (Loss) | 1,000,000 | ||
| Other Comprehensive Income (Loss), Reclassification Adjustment for Held-to-maturity Transferred to Available-for-Sale Securities, Net of Tax | 440,000 | 380,000 | |
| Trading Securities Pledged as Collateral | $ 32,935,000 | $ 70,412,000 | |
| X | ||||||||||
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- Definition
For any transfer of securities categorized as held-to-maturity, this item represents the net carrying amount of the transferred security to another category of investments in debt and equity securities (trading or available-for-sale). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This item represents the unrealized gain (loss) recognized in other comprehensive income (a separate component of shareholders' equity) as a result of securities categorized as held-to-maturity being transferred to the available-for-sale securities category. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Net of tax amount of unrealized holding gain (loss) transferred from the held-to-maturity category into the available-for-sale category. Also includes the net of tax amount of unrealized gain (loss) transferred from the available-for-sale category into the held-to-maturity category. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The fair value of trading securities that serve as collateral for borrowings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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