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Accrued Liabilities - Additional Information (Details) $ in Millions | Dec. 31, 2020 USD ($)
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Payables And Accruals [Abstract] |
Accrued tax withholding liability related to unsettled option exercises | $ 1.4

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- Definition Accrued tax withholding liability related to unsettled option exercises. + References No definition available. + Details
Name: | adpt_AccruedTaxWithholdingLiabilityRelatedToUnsettledOptionExercises
Namespace Prefix: | adpt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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