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v3.23.3
Summary of Significant Accounting Policies - Narrative (Details)
9 Months Ended
Sep. 30, 2023
Marketable Securities
Minimum original maturity period of marketable securities
90 days
X
- Definition
Represents the minimum original maturity period of marketable securities.
+ References
No definition available.
+ Details
Name:
mrtx_MinimumOriginalMaturityPeriodOfMarketableSecurities
Namespace Prefix:
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Data Type:
xbrli:durationItemType
Balance Type:
na
Period Type:
duration
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- References
No definition available.
+ Details
Name:
us-gaap_MarketableSecuritiesAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
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Period Type:
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