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Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2016
Aug. 01, 2016
Document Information [Line Items]    
Document Type 10-Q/A  
Amendment Flag true  
AmendmentDescription This Amendment No. 1 on Form 10-Q/A (this “Amendment”) amends the Quarterly Report on Form 10-Q of MannKind Corporation for the quarter ended June 30, 2016, originally filed with the Securities and Exchange Commission on August 9, 2016 (the “Original Filing”). We are filing this Amendment for the sole purpose of correcting certain errors in the Interactive Data Files included with the Original Filing as Exhibit 101 thereto. Amended Interactive Data Files are filed with this Amendment as Exhibit 101. In connection with the filing of this Amendment and pursuant to the rules of the Securities and Exchange Commission, we are also filing with this Amendment a new certification pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934, as amended, by our Chief Executive Officer and Chief Financial Officer, which is attached to this Amendment as Exhibit 31. Except as described above, no other changes have been made to the Original Filing. The Original Filing continues to speak as of the date of the Original Filing, and we have not updated the disclosures contained therein to reflect any events which occurred at a date subsequent to the filing of the Original Filing other than as indicated in this Amendment.  
Document Period End Date Jun. 30, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q2  
Trading Symbol MNKD  
Entity Registrant Name MANNKIND CORP  
Entity Central Index Key 0000899460  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   478,048,448