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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) (USD $)
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12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Advertising Expense | $ 454,000 | $ 406,000 | $ 313,000 |
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Interest Rate Swap [Member] | Regional Correspondent Bank [Member]
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| Derivative, Notional Amount | 11,100,000 | ||
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Interest Rate Swap [Member] | Customers [Member]
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| Derivative, Notional Amount | 11,100,000 | ||
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Minimum [Member]
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| Property, Plant and Equipment, Useful Life | 3 years | ||
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Maximum [Member]
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| Property, Plant and Equipment, Useful Life | 10 years | ||
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Federal Reserve Bank [Member]
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| Cash Reserve Deposit Required and Made | $ 16,000,000 | $ 7,500,000 | |
| X | ||||||||||
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- Definition
Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Cash deposited in a special reserve account for the exclusive benefit of customers pursuant to SEC Regulations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate notional amount of all interest rate derivatives not designated as hedging instruments. Notional amount refers to the monetary amount specified in the interest rate derivative contract. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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