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Investment Securities - Additional Information (Detail) (USD $) | 12 Months Ended | 3 Months Ended |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2011 Maryland Financial Bank stock | Mar. 31, 2011 Securities | Dec. 31, 2013 Securities Security | Mar. 31, 2011 Corporate Trust Preferred | Dec. 31, 2013 Corporate Trust Preferred | Dec. 31, 2011 Corporate Trust Preferred
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |  |  |  |
Write-down of investment | $ 15,581 |  | $ 91,928 | $ 70,000 |  |  | $ 21,928 | $ 15,581 | $ 21,928
Impairment of investments net present value |  |  |  |  | 635,228 |  |  |  |
Assumed future inputs net default basis points rate |  |  |  |  |  |  | This testing assumed future defaults on the currently performing financial institutions of 75 basis points applied annually with a 15% recovery after a two year lag on both current and future defaulting financial institutions. | This testing assumed future defaults on the currently performing financial institutions of 150 basis points applied annually with a 0% recovery on both current and future defaulting financial institutions. | At year-end, the Company retested for possible OTTI by using a more stringent test by recalculating the net present value using a default rate of 150 basis points applied annually with a 0% recovery.
Number of securities continuous unrealized loss position more than twelve months |  |  |  |  |  | 10 |  |  |
Proceeds from sales of available for sale securities | 25,626,845 | 18,656,622 | 21,796,185 |  |  |  |  |  |
Realized gain on sale | 664,269 | 282,069 | 434,113 |  |  |  |  |  |
Realized loss on sale | 318,938 | 119,475 | 25,467 |  |  |  |  |  |
Income tax expense relating to net gains on sales of investment securities | $ 136,216 | $ 64,135 | $ 161,190 |  |  |  |  |  |

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