Statutory Reserves - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
May 31, 2026	May 31, 2025	May 31, 2024
Statutory Accounting Practices [Line Items]
Percentage allocation of profits to general reserves	10.00%
Registered capital	50.00%
Accrued for general reserve	$ 8,301	$ 11,912	$ 4,162
Percentage allocation of profits to development fund	25.00%
Profit private school minimum appropriations of audited annual net income	10.00%
Non-profit private school minimum appropriations of audited annual increase in the unrestricted net assets of the school	10.00%
Group transfers to the statutory reserves	$ 28,336	17,164	21,091
Development fund [Member]
Statutory Accounting Practices [Line Items]
Appropriations to reserves	$ 20,035	$ 5,252	$ 16,929

Accrued General Reserve

No definition available.

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- Definition

Amount transfers to statutory reserves.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Appropriations to statutory reserves.

+ References

No definition available.

+ Details

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- Definition

Non profit private school minimum appropriations of audited annual increase in the unrestricted net assets.

+ References

No definition available.

+ Details

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- Definition

Percentage of profit after tax for appropriation to development fund.

+ References

No definition available.

+ Details

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- Definition

Percentage of profit after tax for appropriation to general reserve.

+ References

No definition available.

+ Details

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- Definition

Percentage of registered capital reached.

+ References

No definition available.

+ Details

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- Definition

Profit private school minimum appropriations of audited annual net income.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-5

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-3

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-1

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

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- Details

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