Goodwill Activity (Detail) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Goodwill [Line Items]
Beginning balance	$ 78,568	$ 31,969
Foreign currency translation	(1,782)	2,114
Ending balance	76,786	78,568
Breethe
Goodwill [Line Items]
Breethe acquisition		$ 44,485

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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