Summary of Significant Accounting Policies - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Costs and expenses:
Total share-based compensation	$ 6,412	$ 5,393
Income tax benefit	(1,582)	(1,264)
Decrease in net income	4,830	4,129
Cost of Revenue
Costs and expenses:
Total share-based compensation	504	424
Research and Development Costs
Costs and expenses:
Total share-based compensation	1,043	917
Selling, General and Administrative
Costs and expenses:
Total share-based compensation	$ 4,865	$ 4,052