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Derivative Instrument and Hedging Activity - Narrative (Details) - Designated as Hedging Instrument - USD ($) | May 31, 2024 | May 31, 2023 | May 31, 2022 | Sep. 30, 2021 | Mar. 17, 2020 | May 31, 2017
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Interest Rate Swap A |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |
Derivative rate |  |  |  |  |  | 1.81%
Derivative, notional amount |  |  |  | $ 25,000,000 |  |
Interest Rate Swap B |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |
Derivative rate |  |  |  |  | 0.61% |
Derivative, notional amount |  |  |  | $ 75,000,000 |  |
Interest Rate Swap B | Scenario, Forecast |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |
Derivative, notional amount | $ 40,000,000 | $ 75,000,000 | $ 100,000,000 |  |  |

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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