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Summary of Significant Accounting Policies - Schedule of Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at Beginning of Period $ 15,246 $ 10,813 $ 12,643
Provision for doubtful accounts 178 4,821 1,385
Write-offs, net of Recoveries and Other (2,432) (388) (3,215)
Balance at End of Period $ 12,992 $ 15,246 $ 10,813