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Fair Value Measurements - Additional Information (Detail) (USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2012 Loan | Dec. 31, 2010
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impaired loans classified as nonaccrual number of loan |  | 17 |
Maryland financial bank stock written down | $ 70,000 |  |
Maryland financial bank stock | $ 30,000 | $ 30,000 | $ 100,000

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- Definition Number of laon classified as impaired and non accural as on the balance sheet date. + References No definition available. + Details
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Balance Type: | na
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- Definition Maryland Financial Bank (MFB) stock represents an equity interest in a MFB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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X
- Definition Amount of Maryland Financial Bank stock written down during the period due to price of new stock offering + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Details
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