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Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Amortization of Intangible Assets $ 125,000 $ 1,000 $ 130,000 $ 1,000