Property and Equipment, Net - Schedule of Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 22,076	$ 33,416
Accumulated depreciation and amortization	(10,147)	(21,165)
Property and equipment, net	11,929	12,251
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	8,241	8,849
Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	8,196	16,982
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,773	4,836
Project expenditures not yet in use [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 866	$ 2,749