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ASSET PURCHASES - Additional Information (Detail) (USD $) | 9 Months Ended | 12 Months Ended | 9 Months Ended |  | 9 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2013 | Dec. 31, 2012 | Sep. 30, 2013 Knisely [Member] | Dec. 31, 2007 Knisely [Member] | Sep. 30, 2013 Hicksville [Member] | Jun. 09, 2010 Hicksville [Member]
Loans At Acquisition Date [Line Items] |  |  |  |  |  |
Recognition of core deposit intangible asset with acquired purchase |  |  |  | $ 1,100,000 |  | $ 1,090,000
Number of years of intangible asset amortized on straight line basis |  |  | 7 years |  | 7 years |
Amortization expense | 312,000 | 312,000 |  |  |  |
Amortization expensed to date this year | $ 234,000 |  |  |  |  |

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