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Summary of Option Activity (Parenthetical) (Detail) (USD $)	3 Months Ended
	Jun. 30, 2014	Mar. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Price Per Share, Option exercised	$ 7.50	$ 7.50

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- Details

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

No definition available.

+ Details

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