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Deposits - Additional Information (Detail) (USD $)
|
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2013
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Dec. 31, 2012
|
|
| Banking And Thrift Interest [Abstract] | ||
| Time deposits of $100,000 or more | $ 39,850,000 | $ 39,340,000 |
| Interest expense on time deposits of $100,000 or more | 490,000 | 612,000 |
| Deposits from executive officers, directors and others | $ 3,707,000 | $ 1,277,000 |