Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Income tax expense	$ 41	$ 53	$ 67	$ 4
Effective tax rate	(1.40%)	(1.40%)	(1.50%)	(0.10%)