Property and Equipment - Major classifications of property and equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Mar. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 29,326	$ 9,196
Less: accumulated depreciation	(8,397)	(7,627)
Property and equipment, net	20,929	$ 1,569
Building
Property, Plant and Equipment [Line Items]
Property and equipment, gross	14,988
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,700
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,123	$ 1,119
Computer software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,812	3,391
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 4,703	$ 4,686