Derivative Financial Instruments - Additional Information (Details) - Designated as Hedging Instrument [Member] - Foreign Exchange Forward [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Realized gain from foreign currency forward contracts	$ 133	$ 85	$ 142	$ 99
Notional amount of derivative contracts	$ 1,464	$ 2,006	1,464	2,006
Foreign currency forward contracts, unrealized gain			$ 2	$ 3