Geographical Information - Revenue by Geographic Areas (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue, Major Customer
Total revenue	$ 43,238	$ 35,604	$ 80,206	$ 72,576
United States
Revenue, Major Customer
Total revenue			69,225	67,163
Foreign
Revenue, Major Customer
Total revenue			$ 10,981	$ 5,413