Stockholders' Equity - Summary of outstanding RSUs under the 2011 LTIP (Detail) (Restricted Stock Units [Member], 2011 LTIP [Member], USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	25 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Jun. 30, 2013
Restricted Stock Units [Member] | 2011 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested RSUs at January 1, 2014, shares	617,027		508,118
Granted, Shares	0	557,484
Vested, Shares	0
Forfeited, Shares	(57,338)	(209,382)
Non-vested RSUs at March 31, 2014, shares	559,689	559,689	508,118
Non-vested RSUs at January 1, 2014, Weighted Average Grant Date Fair Value	$ 12.30
Granted, Weighted Average Grant Date Fair Value	$ 0.00
Vested, Weighted Average Grant Date Fair Value	$ 0.00
Forfeited, Weighted Average Grant Date Fair Value	$ 11.20
Non-vested RSUs at March 31, 2014, Weighted Average Grant Date Fair Value	$ 12.41	$ 12.41
Non-vested RSUs at March 31, 2014, Total Unrecognized Compensation Cost (net of estimated forfeitures)	$ 1,859	$ 1,859
Non-vested RSUs at March 31, 2014, Weighted-Average Period Over Which Cost is Expected to be Recognized	6 months