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Commitments and Contingencies - Summary of Financing Liability Costs (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Commitments And Contingencies Disclosure [Abstract]
Interest expense on financing liability	$ 9,758	$ 1,373

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- Definition

Interest expense on financing liability.

+ References

No definition available.

+ Details

Name:	mnkd_InterestExpenseOnFinancingLiability
Namespace Prefix:	mnkd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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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