Leases - Other Information Related to Leases (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2024	May 31, 2023
Cash paid for amounts included in the measurement of lease liabilities:
Operating Leases, Operating cash flows	$ 7,395	$ 6,710
Operating Leases, ROU assets obtained in exchange for lease liabilities	$ 3,446	$ 4,179
Operating Leases, Weighted-average remaining lease term (in years)	3 years 6 months 18 days	4 years 1 month 28 days
Operating Leases, Weighted-average discount rate	3.44%	3.11%
Financing Leases, Operating cash flows	$ 116	$ 118
Financing Leases, Financing cash flows	$ 50	$ 44
Financing Leases, Weighted-average remaining lease term (in years)	35 years 9 months 21 days	36 years 9 months 25 days
Financing Leases, Weighted-average discount rate	3.75%	3.75%