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Disclosures About Fair Value Measurements (Details Textual) (USD $) | 6 Months Ended |
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Jun. 30, 2012 | Dec. 31, 2011
Disclosures About Fair Value Measurements (Textual) [Abstract] |  |
Carrying value of impaired loans | $ 3,053,000 | $ 3,870,000
Specific valuation allowance | 891,000 | 968,000
Net fair value of impaired loans | $ 2,200,000 | $ 2,900,000
Assets and liabilities considered financial instruments, percentage | 90.00% |
Loan held for sale account delivery dates lock period | 30,45,or 60 day lock period |

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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 + Details
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- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 + Details
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