Equity Method Investments and Related-Party Transactions - Schedule of Related Party Transactions (Detail) - EBI [Member] - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Related Party Transaction [Line Items]
Revenue	$ 10,619	$ 9,993
Expense	16,341	18,854
Cash received	10,800	12,848
Cash paid	27,079	$ 13,463
Collections in excess of revenues and deferred revenues	$ 6,013

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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+ Details