Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
Income Taxes [Line Items]
Effective tax rates upon inclusion of net earnings attributable to noncontrolling interests	52.70%
Total unrecognized tax benefits	$ 3,467	$ 3,467	$ 3,467
Unrecognized tax benefits if recognized would affect tax rate attributable to controlling interest	2,739
Interest and penalties related to unrecognized tax benefits	881	556	$ 311
Liability for unrecognized tax benefit expected to be settled in the next 12 months	709
Valuation allowance for deferred tax assets	7,083	$ 5,480
Federal Jurisdiction
Income Taxes [Line Items]
Net operating loss carry forwards	1,636
State and Local Jurisdiction
Income Taxes [Line Items]
Net operating loss carry forwards	$ 3,861