Business Acquisition - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Jul. 08, 2016	Sep. 30, 2016	Sep. 30, 2016	Sep. 30, 2015
Business Acquisition [Line Items]
Payments to acquire business			$ 1,125	$ 0
Gain on bargain purchase			$ 376	$ 0
Lawrence Schiff Silk Mills, Inc. [Member]
Business Acquisition [Line Items]
Payments to acquire business	$ 1,125
Fair value of net assets acquired	$ 1,501
Lawrence Schiff Silk Mills, Inc. [Member] | Other Income (Expense), Net [Member]
Business Acquisition [Line Items]
Gain on bargain purchase		$ 376