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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Apr. 09, 2021 | Mar. 31, 2022 | Dec. 31, 2021
Commitments And Contingencies [Line Items] |  |  |
Contract liabilities |  | $ 0 | $ 0
Supply Agreements |  |  |
Commitments And Contingencies [Line Items] |  |  |
Agreement termination notice period |  | 1 year |
Maximum |  |  |
Commitments And Contingencies [Line Items] |  |  |
Product development and commercialization period | 10 years |  |
Contract Liabilities |  |  |
Commitments And Contingencies [Line Items] |  |  |
Contract liabilities |  | $ 10,000 | $ 10,000

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- Definition Agreement termination notice period. + References No definition available. + Details
Name: | dtil_AgreementTerminationNoticePeriod
Namespace Prefix: | dtil_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent commitments and contingencies. + References No definition available. + Details
Name: | dtil_CommitmentsAndContingenciesLineItems
Namespace Prefix: | dtil_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Product development and commercialization period 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | dtil_ProductDevelopmentAndCommercializationPeriod
Namespace Prefix: | dtil_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |