Geographical Information - Revenue by Geographic Areas (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Revenue, Major Customer
Total revenue	$ 55,819	$ 73,300	$ 128,394	$ 171,181
United States
Revenue, Major Customer
Total revenue			113,563	127,115
Foreign
Revenue, Major Customer
Total revenue			$ 14,831	$ 44,066