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Fair Value Disclosures (Schedule of Financial Assets and Financial Liabilities Measured at Fair Value on a Nonrecurring Basis) (Detail) (USD $)
In Thousands, unless otherwise specified
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Sep. 30, 2012
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Jun. 30, 2012
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Impaired Loans [Member]
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
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| Financial assets measured at fair value on nonrecurring basis |
$ 32 |
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Repossessed Assets [Member]
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
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| Financial assets measured at fair value on nonrecurring basis |
1,937 |
2,361 |
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Fair Value, Inputs, Level 2 [Member] | Repossessed Assets [Member]
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
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| Financial assets measured at fair value on nonrecurring basis |
1,937 |
2,361 |
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Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member]
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
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| Financial assets measured at fair value on nonrecurring basis |
$ 32 |
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