Revenue from Contracts with Customers - Contract Balances with Customers (Details) - USD ($) $ in Thousands	Feb. 28, 2023	May 31, 2022
Revenue from Contract with Customer [Abstract]
Receivables	$ 50,892	$ 52,304
Contract assets	0	0
Contract liabilities	$ 571	$ 526

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.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant