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Earnings per Common Share - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share [Abstract]
Number of Common Stock Having Dilutive Effect	0
Average number of common shares outstanding basic and diluted	4,901,464	4,901,464	4,901,464	3,623,191

X

- Definition

Number of common stock having dilutive effect.

+ References

No definition available.

+ Details

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X

- Details

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X

- Definition

Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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