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Income Taxes - Additional Information (Detail)
9 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Income Tax [Line Items]    
Federal statutory tax rate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate