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Fair Value - Assets and Liabilities Measured At Fair Value On a Non-Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2012 | Dec. 31, 2011
--- | --- | ---
Impaired loans: |  |
Total impaired loans | $ 14,404 | $ 15,393
Foreclosed assets |  |
Foreclosed assets, net | 1,572 | 2,370
Financial instruments measured at fair value on a non-recurring basis [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loan servicing rights | 5 | 9
Impaired loans: |  |
Total impaired loans |  |
Foreclosed assets |  |
Foreclosed assets, net |  |
Financial instruments measured at fair value on a non-recurring basis [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 3) [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loan servicing rights |  |
Impaired loans: |  |
Total impaired loans | 7,349 | 6,809
Foreclosed assets |  |
Foreclosed assets, net | 1,414 | 1,209
Financial instruments measured at fair value on a non-recurring basis [Member] | Commercial Real Estate [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member] |  |
Impaired loans: |  |
Total impaired loans |  |
Financial instruments measured at fair value on a non-recurring basis [Member] | Commercial Real Estate [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member] | Non-owner occupied [Member] |  |
Impaired loans: |  |
Total impaired loans |  |
Foreclosed assets |  |
Foreclosed assets, net |  |
Financial instruments measured at fair value on a non-recurring basis [Member] | Commercial Real Estate [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member] | Owner occupied [Member] |  |
Impaired loans: |  |
Total impaired loans |  |
Financial instruments measured at fair value on a non-recurring basis [Member] | Commercial Real Estate [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member] | Land [Member] |  |
Impaired loans: |  |
Total impaired loans |  |
Foreclosed assets |  |
Foreclosed assets, net |  |
Financial instruments measured at fair value on a non-recurring basis [Member] | Commercial Real Estate [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 3) [Member] |  |
Impaired loans: |  |
Total impaired loans | 121 | 108
Financial instruments measured at fair value on a non-recurring basis [Member] | Commercial Real Estate [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 3) [Member] | Non-owner occupied [Member] |  |
Impaired loans: |  |
Total impaired loans | 1,839 | 2,887
Foreclosed assets |  |
Foreclosed assets, net | 967 |
Financial instruments measured at fair value on a non-recurring basis [Member] | Commercial Real Estate [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 3) [Member] | Owner occupied [Member] |  |
Impaired loans: |  |
Total impaired loans | 1,293 | 516
Financial instruments measured at fair value on a non-recurring basis [Member] | Commercial Real Estate [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 3) [Member] | Land [Member] |  |
Impaired loans: |  |
Total impaired loans | 159 | 233
Foreclosed assets |  |
Foreclosed assets, net | 447 | 1,209
Financial instruments measured at fair value on a non-recurring basis [Member] | Real estate [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member] | Multi-family residential [Member] |  |
Impaired loans: |  |
Total impaired loans |  |
Financial instruments measured at fair value on a non-recurring basis [Member] | Real estate [Member] | Fair Value Measurements Using Significant Other Observable Inputs (Level 3) [Member] | Multi-family residential [Member] |  |
Impaired loans: |  |
Total impaired loans | $ 3,937 | $ 3,065

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- Definition Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4437-111522 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 2, 9, 10, 11 -IssueDate 2006-05-01 -Chapter 11 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without 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 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 + Details
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