<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.4</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>523</ContextCount>
  <ElementCount>761</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>185</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>12</UnitCount>
  <MyReports>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>75000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>75010 - Statement - Consolidated Statements of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations</Role>
      <ShortName>Consolidated Statements of Operations</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>75020 - Statement - Consolidated Statements of Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveIncomeLoss</Role>
      <ShortName>Consolidated Statements of Comprehensive Income (Loss)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>75030 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_StatementConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>75040 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>75050 - Statement - Consolidated Statements of Stockholders' Deficit</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersDeficit</Role>
      <ShortName>Consolidated Statements of Stockholders' Deficit</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>75060 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995447 - Disclosure - Insider Trading Policies and Procedures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc</Role>
      <ShortName>Insider Trading Policies and Procedures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995457 - Disclosure - Cybersecurity Risk Management, Strategy, and Governance</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance</Role>
      <ShortName>Cybersecurity Risk Management, Strategy, and Governance</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995467 - Disclosure - Description of Business</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureDescriptionOfBusiness</Role>
      <ShortName>Description of Business</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995477 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995487 - Disclosure - Business Combinations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBusinessCombinations</Role>
      <ShortName>Business Combinations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995497 - Disclosure - Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureInvestments</Role>
      <ShortName>Investments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995507 - Disclosure - Accounts Receivable</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureAccountsReceivable</Role>
      <ShortName>Accounts Receivable</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995517 - Disclosure - Inventories</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureInventories</Role>
      <ShortName>Inventories</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995527 - Disclosure - Property and Equipment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosurePropertyAndEquipment</Role>
      <ShortName>Property and Equipment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995537 - Disclosure - Goodwill and Other Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssets</Role>
      <ShortName>Goodwill and Other Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995547 - Disclosure - Accrued Expenses and Other Current Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilities</Role>
      <ShortName>Accrued Expenses and Other Current Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995557 - Disclosure - Borrowings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureBorrowings</Role>
      <ShortName>Borrowings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995567 - Disclosure - Collaborations, Licensing and Other Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationsLicensingAndOtherArrangements</Role>
      <ShortName>Collaborations, Licensing and Other Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995577 - Disclosure - Fair Value of Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstruments</Role>
      <ShortName>Fair Value of Financial Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995587 - Disclosure - Common and Preferred Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureCommonAndPreferredStock</Role>
      <ShortName>Common and Preferred Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995597 - Disclosure - Earnings Per Common Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureEarningsPerCommonShare1</Role>
      <ShortName>Earnings Per Common Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995607 - Disclosure - Stock Award Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureStockAwardPlans</Role>
      <ShortName>Stock Award Plans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>995617 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>995627 - Disclosure - Employee Benefit Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureEmployeeBenefitPlans</Role>
      <ShortName>Employee Benefit Plans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>995637 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>995647 - Disclosure - Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>995657 - Disclosure - Description of Business (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureDescriptionOfBusinessTables</Role>
      <ShortName>Description of Business (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureDescriptionOfBusiness</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>995667 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>995677 - Disclosure - Business Combinations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBusinessCombinationsTables</Role>
      <ShortName>Business Combinations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBusinessCombinations</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>995687 - Disclosure - Investments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureInvestmentsTables</Role>
      <ShortName>Investments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureInvestments</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>995697 - Disclosure - Accounts Receivable (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureAccountsReceivableTables</Role>
      <ShortName>Accounts Receivable (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureAccountsReceivable</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>995707 - Disclosure - Inventories (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureInventoriesTables</Role>
      <ShortName>Inventories (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureInventories</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>995717 - Disclosure - Property and Equipment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosurePropertyAndEquipmentTables</Role>
      <ShortName>Property and Equipment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosurePropertyAndEquipment</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>995727 - Disclosure - Goodwill and Other Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsTables</Role>
      <ShortName>Goodwill and Other Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssets</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>995737 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesTables</Role>
      <ShortName>Accrued Expenses and Other Current Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilities</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>995747 - Disclosure - Borrowings (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureBorrowingsTables</Role>
      <ShortName>Borrowings (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureBorrowings</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>995757 - Disclosure - Collaborations, Licensing and Other Arrangements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationsLicensingAndOtherArrangementsTables</Role>
      <ShortName>Collaborations, Licensing and Other Arrangements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationsLicensingAndOtherArrangements</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>995767 - Disclosure - Fair Value of Financial Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsTables</Role>
      <ShortName>Fair Value of Financial Instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstruments</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>995777 - Disclosure - Earnings Per Common Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureEarningsPerCommonShareTables</Role>
      <ShortName>Earnings Per Common Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureEarningsPerCommonShare1</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>995787 - Disclosure - Stock Award Plans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureStockAwardPlansTables</Role>
      <ShortName>Stock Award Plans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureStockAwardPlans</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>995797 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>995807 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxes</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>995817 - Disclosure - Description of Business - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureDescriptionOfBusinessAdditionalInformationDetail</Role>
      <ShortName>Description of Business - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>995827 - Disclosure - Description of Business - Schedule of Segment Revenues and Significant Expense Categories in Consolidated Statements of Operations (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureDescriptionOfBusinessScheduleOfSegmentRevenuesAndSignificantExpenseCategoriesInConsolidatedStatementsOfOperationsDetail</Role>
      <ShortName>Description of Business - Schedule of Segment Revenues and Significant Expense Categories in Consolidated Statements of Operations (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>995837 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail</Role>
      <ShortName>Summary of Significant Accounting Policies - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>995847 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail1</Role>
      <ShortName>Summary of Significant Accounting Policies - Additional Information (Detail 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>995857 - Disclosure - Summary of Significant Accounting Policies - Summary of Revenue and Cost of Revenue and Goods Sold Generated From Product Sales, Services and Royalties (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfRevenueAndCostOfRevenueAndGoodsSoldGeneratedFromProductSalesServicesAndRoyaltiesDetail</Role>
      <ShortName>Summary of Significant Accounting Policies - Summary of Revenue and Cost of Revenue and Goods Sold Generated From Product Sales, Services and Royalties (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>995867 - Disclosure - Business Combinations - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBusinessCombinationsAdditionalInformationDetail</Role>
      <ShortName>Business Combinations - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>995877 - Disclosure - Business Combinations - Summary of reconciliation of cash flows included in investing activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBusinessCombinationsSummaryOfReconciliationOfCashFlowsIncludedInInvestingActivitiesDetails</Role>
      <ShortName>Business Combinations - Summary of reconciliation of cash flows included in investing activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>995887 - Disclosure - Business Combinations - Schedule of Fair Value of Identifiable Assets Acquired and Liabilities Assumed (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBusinessCombinationsScheduleOfFairValueOfIdentifiableAssetsAcquiredAndLiabilitiesAssumedDetails</Role>
      <ShortName>Business Combinations - Schedule of Fair Value of Identifiable Assets Acquired and Liabilities Assumed (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>995907 - Disclosure - Business Combinations - Schedule of Fair Value of Identifiable Assets Acquired and Liabilities Assumed (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBusinessCombinationsScheduleOfFairValueOfIdentifiableAssetsAcquiredAndLiabilitiesAssumedParentheticalDetails</Role>
      <ShortName>Business Combinations - Schedule of Fair Value of Identifiable Assets Acquired and Liabilities Assumed (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>995917 - Disclosure - Business Combinations - Summary of Activities Within Account Balance (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBusinessCombinationsSummaryOfActivitiesWithinAccountBalanceDetails</Role>
      <ShortName>Business Combinations - Summary of Activities Within Account Balance (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>995927 - Disclosure - Business Combinations - Summary of Supplemental Pro Forma Information (Unaudited) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBusinessCombinationsSummaryOfSupplementalProFormaInformationUnauditedDetails</Role>
      <ShortName>Business Combinations - Summary of Supplemental Pro Forma Information (Unaudited) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>995937 - Disclosure - Investments - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureInvestmentsAdditionalInformationDetail</Role>
      <ShortName>Investments - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>995947 - Disclosure - Investments - Schedule of Contractual Maturities of Investments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureInvestmentsScheduleOfContractualMaturitiesOfInvestmentsDetail</Role>
      <ShortName>Investments - Schedule of Contractual Maturities of Investments (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>995957 - Disclosure - Investments - Schedule of Contractual Maturities of Investments (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureInvestmentsScheduleOfContractualMaturitiesOfInvestmentsParentheticalDetail</Role>
      <ShortName>Investments - Schedule of Contractual Maturities of Investments (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>995967 - Disclosure - Investments - Schedule of Fair Values of Investments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureInvestmentsScheduleOfFairValuesOfInvestmentsDetail</Role>
      <ShortName>Investments - Schedule of Fair Values of Investments (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>995977 - Disclosure - Schedule of Accounts Receivable, Net (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureScheduleOfAccountsReceivableNetDetail</Role>
      <ShortName>Schedule of Accounts Receivable, Net (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>995997 - Disclosure - Schedule of Accounts Receivable, Net (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureScheduleOfAccountsReceivableNetParentheticalDetail</Role>
      <ShortName>Schedule of Accounts Receivable, Net (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>996007 - Disclosure - Accounts Receivable - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureAccountsReceivableAdditionalInformationDetail</Role>
      <ShortName>Accounts Receivable - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>996017 - Disclosure - Schedule of Activities and Ending Reserve Balance (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureScheduleOfActivitiesAndEndingReserveBalanceDetail</Role>
      <ShortName>Schedule of Activities and Ending Reserve Balance (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>996027 - Disclosure - Inventories - Components of Inventory (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureInventoriesComponentsOfInventoryDetail</Role>
      <ShortName>Inventories - Components of Inventory (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>996037 - Disclosure - Inventories - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureInventoriesAdditionalInformationDetail</Role>
      <ShortName>Inventories - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>996047 - Disclosure - Property and Equipment - Property and Equipment, Net (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosurePropertyAndEquipmentPropertyAndEquipmentNetDetail</Role>
      <ShortName>Property and Equipment - Property and Equipment, Net (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>996067 - Disclosure - Property and Equipment - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetail</Role>
      <ShortName>Property and Equipment - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>996077 - Disclosure - Goodwill and Other Intangible Assets - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsAdditionalInformationDetail</Role>
      <ShortName>Goodwill and Other Intangible Assets - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>996087 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Changes in Goodwill (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsScheduleOfChangesInGoodwillDetail</Role>
      <ShortName>Goodwill and Other Intangible Assets - Schedule of Changes in Goodwill (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>996097 - Disclosure - Goodwill and Other Intangible Assets - Summary of Intangible Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetail</Role>
      <ShortName>Goodwill and Other Intangible Assets - Summary of Intangible Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>996107 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Estimated Annual Amortization Expense (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsScheduleOfEstimatedAnnualAmortizationExpenseDetail</Role>
      <ShortName>Goodwill and Other Intangible Assets - Schedule of Estimated Annual Amortization Expense (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>996117 - Disclosure - Accrued Expenses and Other Current Liabilities (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesDetail</Role>
      <ShortName>Accrued Expenses and Other Current Liabilities (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesTables</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>996127 - Disclosure - Accrued Expenses and Other Current Liabilities - Schedule of Provision for Discounts and Allowances for Commercial Product Sales (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfProvisionForDiscountsAndAllowancesForCommercialProductSalesDetail</Role>
      <ShortName>Accrued Expenses and Other Current Liabilities - Schedule of Provision for Discounts and Allowances for Commercial Product Sales (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>996137 - Disclosure - Borrowings - Summary of Carrying Amount of Borrowings (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBorrowingsSummaryOfCarryingAmountOfBorrowingsDetail</Role>
      <ShortName>Borrowings - Summary of Carrying Amount of Borrowings (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>996147 - Disclosure - Borrowings - Schedule of Line of Credit Facility Debt and Key Terms (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureBorrowingsScheduleOfLineOfCreditFacilityDebtAndKeyTermsDetail</Role>
      <ShortName>Borrowings - Schedule of Line of Credit Facility Debt and Key Terms (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>996157 - Disclosure - Borrowings - Schedule of Line of Credit Facility Debt and Key Terms (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBorrowingsScheduleOfLineOfCreditFacilityDebtAndKeyTermsParentheticalDetail</Role>
      <ShortName>Borrowings - Schedule of Line of Credit Facility Debt and Key Terms (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>996167 - Disclosure - Borrowings - Schedule of Maturities of the Company's Borrowings (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureBorrowingsScheduleOfMaturitiesOfCompanySBorrowingsDetail</Role>
      <ShortName>Borrowings - Schedule of Maturities of the Company's Borrowings (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>996177 - Disclosure - Borrowings - Blackstone Credit Facility - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureBorrowingsBlackstoneCreditFacilityAdditionalInformationDetail</Role>
      <ShortName>Borrowings - Blackstone Credit Facility - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>996187 - Disclosure - Borrowings - Senior Convertible Notes - Additional Information (Detail)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureBorrowingsSeniorConvertibleNotesAdditionalInformationDetail</Role>
      <ShortName>Borrowings - Senior Convertible Notes - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>996197 - Disclosure - Borrowings - MidCap Credit Facility - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureBorrowingsMidcapCreditFacilityAdditionalInformationDetail</Role>
      <ShortName>Borrowings - MidCap Credit Facility - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>996207 - Disclosure - Borrowings - Mann Group Promissory Notes - Additional Information (Detail)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureBorrowingsMannGroupPromissoryNotesAdditionalInformationDetail</Role>
      <ShortName>Borrowings - Mann Group Promissory Notes - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>996217 - Disclosure - Borrowings - Schedule of Amortization of Premium and Accretion of Debt Issuance Costs (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureBorrowingsScheduleOfAmortizationOfPremiumAndAccretionOfDebtIssuanceCostsDetail</Role>
      <ShortName>Borrowings - Schedule of Amortization of Premium and Accretion of Debt Issuance Costs (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>996227 - Disclosure - Collaborations, Licensing and Other Arrangements - Schedule of Revenue from Collaborations and Services (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationsLicensingAndOtherArrangementsScheduleOfRevenueFromCollaborationsAndServicesDetails</Role>
      <ShortName>Collaborations, Licensing and Other Arrangements - Schedule of Revenue from Collaborations and Services (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>996237 - Disclosure - Collaborations, Licensing and Other Arrangements - Schedule of Revenue from Collaborations and Services (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationsLicensingAndOtherArrangementsScheduleOfRevenueFromCollaborationsAndServicesParentheticalDetails</Role>
      <ShortName>Collaborations, Licensing and Other Arrangements - Schedule of Revenue from Collaborations and Services (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>996247 - Disclosure - Collaboration, Licensing and Other Arrangements - Schedule of Deferred Revenue Related to Revenue Recognized for Collaborations and Services (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationLicensingAndOtherArrangementsScheduleOfDeferredRevenueRelatedToRevenueRecognizedForCollaborationsAndServicesDetail</Role>
      <ShortName>Collaboration, Licensing and Other Arrangements - Schedule of Deferred Revenue Related to Revenue Recognized for Collaborations and Services (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>996257 - Disclosure - Collaborations, Licensing and Other Arrangements - Summary of UT Revenue (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationsLicensingAndOtherArrangementsSummaryOfUtRevenueDetail</Role>
      <ShortName>Collaborations, Licensing and Other Arrangements - Summary of UT Revenue (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>996267 - Disclosure - Collaborations, Licensing and Other Arrangements - Summary of UT Revenue (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationsLicensingAndOtherArrangementsSummaryOfUtRevenueParentheticalDetail</Role>
      <ShortName>Collaborations, Licensing and Other Arrangements - Summary of UT Revenue (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>996277 - Disclosure - Collaborations, Licensing and Other Arrangements - Schedule of of Revenue Related to Each Deliverable Included in UT CSA Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationsLicensingAndOtherArrangementsScheduleOfOfRevenueRelatedToEachDeliverableIncludedInUtCsaRevenueDetails</Role>
      <ShortName>Collaborations, Licensing and Other Arrangements - Schedule of of Revenue Related to Each Deliverable Included in UT CSA Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>996287 - Disclosure - Collaborations, Licensing and Other Arrangements - Schedule of of Revenue Related to Each Deliverable Included in UT CSA Revenue (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationsLicensingAndOtherArrangementsScheduleOfOfRevenueRelatedToEachDeliverableIncludedInUtCsaRevenueParentheticalDetails</Role>
      <ShortName>Collaborations, Licensing and Other Arrangements - Schedule of of Revenue Related to Each Deliverable Included in UT CSA Revenue (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>996297 - Disclosure - Collaborations, Licensing and Other Arrangements - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationsLicensingAndOtherArrangementsAdditionalInformationDetail</Role>
      <ShortName>Collaborations, Licensing and Other Arrangements - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>996307 - Disclosure - Collaborations, Licensing and Other Arrangements - Additional Information (Detail 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCollaborationsLicensingAndOtherArrangementsAdditionalInformationDetail1</Role>
      <ShortName>Collaborations, Licensing and Other Arrangements - Additional Information (Detail 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>996317 - Disclosure - Fair Value of Financial Instruments - Fair Value of Financial Instruments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsFairValueOfFinancialInstrumentsDetail</Role>
      <ShortName>Fair Value of Financial Instruments - Fair Value of Financial Instruments (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>996327 - Disclosure - Fair Value of Financial Instruments - Fair Value of Financial Instruments (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsFairValueOfFinancialInstrumentsParentheticalDetail</Role>
      <ShortName>Fair Value of Financial Instruments - Fair Value of Financial Instruments (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>996337 - Disclosure - Common and Preferred Stock - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureCommonAndPreferredStockAdditionalInformationDetail</Role>
      <ShortName>Common and Preferred Stock - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>996347 - Disclosure - Earnings Per Common Share - Components of Basic and Diluted EPS Computations (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureEarningsPerCommonShareComponentsOfBasicAndDilutedEpsComputationsDetail</Role>
      <ShortName>Earnings Per Common Share - Components of Basic and Diluted EPS Computations (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>996357 - Disclosure - Earnings Per Common Share - Potential Dilutive Securities Outstanding that are Considered Antidilutive (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureEarningsPerCommonSharePotentialDilutiveSecuritiesOutstandingThatAreConsideredAntidilutiveDetail</Role>
      <ShortName>Earnings Per Common Share - Potential Dilutive Securities Outstanding that are Considered Antidilutive (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>996367 - Disclosure - Earnings Per Common Share - Potential Dilutive Securities Outstanding that are Considered Antidilutive (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureEarningsPerCommonSharePotentialDilutiveSecuritiesOutstandingThatAreConsideredAntidilutiveParentheticalDetail</Role>
      <ShortName>Earnings Per Common Share - Potential Dilutive Securities Outstanding that are Considered Antidilutive (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>996377 - Disclosure - Stock Award Plans - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureStockAwardPlansAdditionalInformationDetail</Role>
      <ShortName>Stock Award Plans - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>996387 - Disclosure - Stock Award Plans - Stock Based Award Plans (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureStockAwardPlansStockBasedAwardPlansDetail</Role>
      <ShortName>Stock Award Plans - Stock Based Award Plans (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>996397 - Disclosure - Stock Award Plans - Stock Based Compensation Expense Recognized in Consolidated Statements of Operations (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureStockAwardPlansStockBasedCompensationExpenseRecognizedInConsolidatedStatementsOfOperationsDetail</Role>
      <ShortName>Stock Award Plans - Stock Based Compensation Expense Recognized in Consolidated Statements of Operations (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>996407 - Disclosure - Stock Award Plans - Summary of Stock Options Outstanding (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureStockAwardPlansSummaryOfStockOptionsOutstandingDetail</Role>
      <ShortName>Stock Award Plans - Summary of Stock Options Outstanding (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>996417 - Disclosure - Stock Award Plans - Summary of Restricted Stock Unit Activity (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureStockAwardPlansSummaryOfRestrictedStockUnitActivityDetail</Role>
      <ShortName>Stock Award Plans - Summary of Restricted Stock Unit Activity (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>996427 - Disclosure - Commitments and Contingencies - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail</Role>
      <ShortName>Commitments and Contingencies - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>996437 - Disclosure - Commitments and Contingencies - Schedule Of Royalty Liability Account Roll Forward (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfRoyaltyLiabilityAccountRollForwardDetails</Role>
      <ShortName>Commitments and Contingencies - Schedule Of Royalty Liability Account Roll Forward (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>996457 - Disclosure - Commitments and Contingencies - Schedule of Financing Liability Lease Term and Discount Rate (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesScheduleOfFinancingLiabilityLeaseTermAndDiscountRateDetail</Role>
      <ShortName>Commitments and Contingencies - Schedule of Financing Liability Lease Term and Discount Rate (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>996467 - Disclosure - Commitments and Contingencies - Summary of Financing Liability Costs (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfFinancingLiabilityCostsDetail</Role>
      <ShortName>Commitments and Contingencies - Summary of Financing Liability Costs (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>108</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>996477 - Disclosure - Commitments and Contingencies - Schedule of Remaining Financing Liability Payments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfRemainingFinancingLiabilityPaymentsDetail</Role>
      <ShortName>Commitments and Contingencies - Schedule of Remaining Financing Liability Payments (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>109</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>996497 - Disclosure - Commitments and Contingencies - Remaining Purchase Commitments and Estimated Capacity Fee Liability Requirements (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCommitmentsAndContingenciesRemainingPurchaseCommitmentsAndEstimatedCapacityFeeLiabilityRequirementsDetail</Role>
      <ShortName>Commitments and Contingencies - Remaining Purchase Commitments and Estimated Capacity Fee Liability Requirements (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>996517 - Disclosure - Commitments and Contingencies - Remaining Purchase Commitments and Estimated Capacity Fee Liability Requirements (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureCommitmentsAndContingenciesRemainingPurchaseCommitmentsAndEstimatedCapacityFeeLiabilityRequirementsParentheticalDetail</Role>
      <ShortName>Commitments and Contingencies - Remaining Purchase Commitments and Estimated Capacity Fee Liability Requirements (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>996527 - Disclosure - Commitments and Contingencies - Schedule of Lease Term and Discount Rate (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesScheduleOfLeaseTermAndDiscountRateDetail</Role>
      <ShortName>Commitments and Contingencies - Schedule of Lease Term and Discount Rate (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>996537 - Disclosure - Commitments and Contingencies - Summary of Lease Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseInformationDetail</Role>
      <ShortName>Commitments and Contingencies - Summary of Lease Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>996547 - Disclosure - Commitments and Contingencies - Schedule of Future Minimum Office And Vehicle Lease Payments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesScheduleOfFutureMinimumOfficeAndVehicleLeasePaymentsDetail</Role>
      <ShortName>Commitments and Contingencies - Schedule of Future Minimum Office And Vehicle Lease Payments (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>114</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>996567 - Disclosure - Employee Benefit Plans - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureEmployeeBenefitPlansAdditionalInformationDetail</Role>
      <ShortName>Employee Benefit Plans - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>115</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>996577 - Disclosure - Income (loss) from Continuing Operations Before Provision for Income Taxes (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureIncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesDetail</Role>
      <ShortName>Income (loss) from Continuing Operations Before Provision for Income Taxes (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxesTables</ParentRole>
      <Position>116</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>996587 - Disclosure - Provision for Income Taxes (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureProvisionForIncomeTaxesDetail</Role>
      <ShortName>Provision for Income Taxes (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>117</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>996597 - Disclosure - Reconciliation of Provision for Income Taxes (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureReconciliationOfProvisionForIncomeTaxesDetail</Role>
      <ShortName>Reconciliation of Provision for Income Taxes (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>118</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>996607 - Disclosure - Income Taxes - Amounts of Cash Income Taxes Paid (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureIncomeTaxesAmountsOfCashIncomeTaxesPaidDetails</Role>
      <ShortName>Income Taxes - Amounts of Cash Income Taxes Paid (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>119</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>996617 - Disclosure - Components of Net Deferred Tax Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureComponentsOfNetDeferredTaxAssetsDetail</Role>
      <ShortName>Components of Net Deferred Tax Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>120</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>996627 - Disclosure - Income Taxes - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail</Role>
      <ShortName>Income Taxes - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>121</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>996637 - Disclosure - Income Taxes - Summary of Valuation Allowance for Deferred Tax Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureIncomeTaxesSummaryOfValuationAllowanceForDeferredTaxAssetsDetail</Role>
      <ShortName>Income Taxes - Summary of Valuation Allowance for Deferred Tax Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>122</Position>
    </Report>
    <Report instance="mnkd-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>996647 - Disclosure - Income Taxes - Summary of Positions for which Significant Change in Unrecognized Tax Benefits (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.mannkindcorp.com/20251231/taxonomy/role/DisclosureIncomeTaxesSummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsDetail</Role>
      <ShortName>Income Taxes - Summary of Positions for which Significant Change in Unrecognized Tax Benefits (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>123</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-K" isDefinitelyFs="true" isUsgaap="true" original="mnkd-20251231.htm">mnkd-20251231.htm</File>
    <File>mnkd-20251231.xsd</File>
  </InputFiles>
  <SupplementalFiles>
    <File>img5856998_0.gif</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="1">http://fasb.org/srt/2025</BaseTaxonomy>
    <BaseTaxonomy items="1257">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="14">http://xbrl.sec.gov/cyd/2025</BaseTaxonomy>
    <BaseTaxonomy items="41">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="25">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
