Stockholders' Equity - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Costs and expenses:
Total share-based compensation	$ 26,552	$ 22,710	$ 19,694
Income tax benefit	(6,221)	(5,415)	(4,726)
Decrease in net income	20,331	17,295	14,968
Cost of Revenue
Costs and expenses:
Total share-based compensation	2,183	1,991	2,051
Research and Development Costs
Costs and expenses:
Total share-based compensation	4,508	4,036	3,875
Selling, General and Administrative
Costs and expenses:
Total share-based compensation	$ 19,861	$ 16,683	$ 13,768