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Earnings Per Share - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023	Feb. 29, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Undistributed earnings			$ 0
Options outstanding	41,251		41,251		52,500
Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	49,787	52,500	41,251	52,500