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Document and Entity Information
 6 Months Ended
Jun. 30, 2014
Aug. 04, 2014
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2014  
Document Fiscal Year Focus 2014  
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   402,380,752