Goodwill and Intangible Assets - Changes in Net Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Nov. 30, 2021	Feb. 28, 2021
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill, Beginning balance	$ 88,647	$ 82,527
Goodwill acquired	30	6,120
Goodwill impairment	0	0
Goodwill, Ending balance	$ 88,677	$ 88,647

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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