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Disclosures About Fair Value Measurements (Details 1) (USD $) In Thousands, unless otherwise specified | 6 Months Ended |  |  |  |  |  |  |  |
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Jun. 30, 2012 Level 3 [Member] | Jun. 30, 2012 Level 3 [Member] Minimum [Member] | Jun. 30, 2012 Level 3 [Member] Maximum [Member] | Jun. 30, 2012 Fair Value Measurements, Nonrecurring Basis [Member] | Dec. 31, 2011 Fair Value Measurements, Nonrecurring Basis [Member] | Jun. 30, 2012 Fair Value Measurements, Nonrecurring Basis [Member] Level 1 [Member] | Dec. 31, 2011 Fair Value Measurements, Nonrecurring Basis [Member] Level 1 [Member] | Jun. 30, 2012 Fair Value Measurements, Nonrecurring Basis [Member] Level 2 [Member] | Dec. 31, 2011 Fair Value Measurements, Nonrecurring Basis [Member] Level 2 [Member] | Jun. 30, 2012 Fair Value Measurements, Nonrecurring Basis [Member] Level 3 [Member] | Dec. 31, 2011 Fair Value Measurements, Nonrecurring Basis [Member] Level 3 [Member]
Assets measured at fair value on a non-recurring basis |  |  |  |  |  |  |  |  |  |  |
Impaired loans | $ 2,162 |  |  | $ 2,162 | $ 2,902 |  |  |  |  | $ 2,162 | $ 2,902
Other real estate owned | $ 850 |  |  | $ 850 | $ 124 |  |  |  |  | $ 850 | $ 124
Appraisal of Adjustment |  | 1.00% | (35.00%) |  |  |  |  |  |  |  |
Liquidation Expense |  | 1.00% | (15.00%) |  |  |  |  |  |  |  |
Estimated Liquidation Expense |  | 1.00% | (2.00%) |  |  |  |  |  |  |  |
Valuation Techniques | Appraisal of Collateral |  |  |  |  |  |  |  |  |  |

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- Definition Fair value of impaired loans. + References No definition available. + Details
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- Definition Fair value of impaired loans appraisal of adjustments. + References No definition available. + Details
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- Definition Fair value of impaired loans liquidation expenses. + References No definition available. + Details
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- Definition Fair value of other real estate owned estimated liquidation expenses. + References No definition available. + Details
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- Definition Description of the inputs and valuation technique(s) used to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition The fair value as of the balance sheet date of firm holdings in other positions not elsewhere specified in the taxonomy. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6475986&loc=d3e42546-110969 + Details
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