Property and Equipment - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Mar. 31, 2022
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 204,561	$ 216,916
Less: accumulated depreciation and amortization	(142,378)	(148,548)
Total property and equipment, net	62,183	68,368
Computers, software, and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	14,825	13,854
Site operation equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	58,310	67,726
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	5,082	5,772
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	38,958	49,756
Capitalized software development costs
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 87,386	$ 79,808