Accounts Receivable - Summary of Accounts Receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Sep. 30, 2020	Mar. 31, 2020
Receivables [Abstract]
Accounts receivable, gross	$ 80,675		$ 83,555
Allowance for doubtful accounts	(3,934)	$ (3,909)	(3,549)
Accounts receivable, net	$ 76,741		$ 80,006

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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