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Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions | Mar. 31, 2025 | Mar. 31, 2024
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Commitments and Contingencies Disclosure [Abstract] |  |
Data licensing and cloud computing expenses | $ 14.2 | $ 10.8

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- Definition Data licensing and cloud computing expenses. + References No definition available. + Details
Name: | tem_DataLicensingAndCloudComputingExpenses
Namespace Prefix: | tem_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration