Stock-Based Compensation Plans - Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | |
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May 31, 2026 |
May 31, 2025 |
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| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Share-based compensation expense | $ 1,297 | $ (1,463) |
| Location, Statement of Income, Balance [Axis]: us-gaap:CostOfRevenue | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Share-based compensation expense | 352 | 431 |
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Share-based compensation expense | $ 945 | $ (1,894) |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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