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Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Income Tax Disclosure [Line Items]
Prepaid expenses and income taxes	$ 0	$ 2,169,000
Recognizes interest and penalties related to uncertain tax positions	(9,000)	(14,000)	$ (13,000)
Accrued interest and penalties related to uncertain tax positions	$ 31,000	$ 40,000	$ 54,000
Tax fiscal years open to examination	2018 2019 2020 2021 2022 2023

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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