Quarterly report pursuant to Section 13 or 15(d)

Stockholder's Equity - Summary of Non-Vested Shares of Restricted Common Stock (Detail)

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Stockholder's Equity - Summary of Non-Vested Shares of Restricted Common Stock (Detail) (Restricted Incentive [Member], USD $)
In Thousands, except Share data, unless otherwise specified
6 Months Ended
Sep. 30, 2013
Restricted Incentive [Member]
 
Schedule Of Nonvested Restricted Stock Units Activities [Line Items]  
Beginning Balance, Restricted Shares of Common Stock   
Granted, Restricted Shares of Common Stock 606,415
Vested, Restricted Shares of Common Stock   
Forfeited, Restricted Shares of Common Stock   
Ending Balance, Restricted Shares of Common Stock 606,415
Beginning Balance, Fair Value of Restricted Shares of Common Stock   
Granted, Fair Value of Restricted Shares of Common Stock 7,580
Vested, Fair Value of Restricted Shares of Common Stock   
Forfeited, Fair Value of Restricted Shares of Common Stock   
Ending Balance, Fair Value of Restricted Shares of Common Stock $ 7,580