Capitalized Software Costs (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Activity related to net capitalized software costs
Amortization expense related to capitalized software costs	$ (1,300)	$ (2,448)	$ (2,571)	$ (4,819)
Estimated amortization of capitalized software costs
2018 (remaining six months)	4,700
2019	9,100
2020	4,700
2021	2,524
Total	$ 21,024