Short-term Investments and Fair Value Measurements - Summary of Amortized Cost and Estimated Fair Value of Investment Securities Classified as Held-to-maturity (Details) - USD ($) $ in Thousands |
Aug. 31, 2025 |
Feb. 28, 2025 |
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| Short-Term Investments [Abstract] | ||
| Investment securities due in less than one year, cost or amortized cost | $ 0 | $ 5,475 |
| Investment securities due in less than one year, gross unrealized holding gains | 0 | 4 |
| Investment securities due in less than one year, gross unrealised holding losses | 0 | 0 |
| Investment securities due in less than one year, estimated fair value | $ 0 | $ 5,479 |
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- Definition Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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