Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Mar. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 24,008	$ 22,076
Accumulated depreciation and amortization	(9,811)	(10,147)
Property and equipment, net	14,197	11,929
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	7,787	8,241
Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	8,674	8,196
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	6,238	4,773
Project expenditures not yet in use [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,309	$ 866