XML 68 R63.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Fair Value of Financial Instruments - Fair Value Measurement of Debt Instruments Based on Discounted Cash Flow Model and Sensitive to Change in Yield (Detail) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Mann Group Promissory Notes | Note Payable Yield Changes 1 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 31.0 | 29.0
Note payable, percentage of interest rate increases (decreases) | 2.00% |
Note payable to related party, fair value | $ 44.1 | $ 46.2
Change in fair value of note payable value due to change in interest rate percentage | $ (2.1) |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | (4.50%) |
Mann Group Promissory Notes | Note Payable Yield Changes 2 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 27.0 | 29.0
Note payable, percentage of interest rate increases (decreases) | (2.00%) |
Note payable to related party, fair value | $ 48.5 | $ 46.2
Change in fair value of note payable value due to change in interest rate percentage | $ 2.3 |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | 5.00% |
Mann Group Promissory Notes | Note Payable Yield Changes 3 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 33.0 | 29.0
Note payable, percentage of interest rate increases (decreases) | 4.00% |
Note payable to related party, fair value | $ 42.2 | $ 46.2
Change in fair value of note payable value due to change in interest rate percentage | $ (4.0) |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | (8.70%) |
Mann Group Promissory Notes | Note Payable Yield Changes 4 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 25.0 | 29.0
Note payable, percentage of interest rate increases (decreases) | (4.00%) |
Note payable to related party, fair value | $ 51.0 | $ 46.2
Change in fair value of note payable value due to change in interest rate percentage | $ 4.8 |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | 10.40% |
Senior Notes | Note Payable Yield Changes 1 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 31.0 | 29.0
Note payable, percentage of interest rate increases (decreases) | 2.00% |
Note payable to related party, fair value | $ 7.8 | $ 8.0
Change in fair value of note payable value due to change in interest rate percentage | $ (0.2) |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | (2.50%) |
Senior Notes | Note Payable Yield Changes 2 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 27.0 | 29.0
Note payable, percentage of interest rate increases (decreases) | (2.00%) |
Note payable to related party, fair value | $ 8.2 | $ 8.0
Change in fair value of note payable value due to change in interest rate percentage | $ 0.2 |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | 2.50% |
Senior Notes | Note Payable Yield Changes 3 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 33.0 | 29.0
Note payable, percentage of interest rate increases (decreases) | 4.00% |
Note payable to related party, fair value | $ 7.6 | $ 8.0
Change in fair value of note payable value due to change in interest rate percentage | $ (0.4) |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | (5.00%) |
Senior Notes | Note Payable Yield Changes 4 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 25.0 | 29.0
Note payable, percentage of interest rate increases (decreases) | (4.00%) |
Note payable to related party, fair value | $ 8.4 | $ 8.0
Change in fair value of note payable value due to change in interest rate percentage | $ 0.4 |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | 5.00% |
MidCap Credit Facility | Note Payable Yield Changes 1 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 12.5 | 11.5
Note payable, percentage of interest rate increases (decreases) | 1.00% |
Note payable to related party, fair value | $ 39.0 | $ 40.0
Change in fair value of note payable value due to change in interest rate percentage | $ (1.0) |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | (2.50%) |
MidCap Credit Facility | Note Payable Yield Changes 2 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 10.5 | 11.5
Note payable, percentage of interest rate increases (decreases) | (1.00%) |
Note payable to related party, fair value | $ 41.0 | $ 40.0
Change in fair value of note payable value due to change in interest rate percentage | $ 1.0 |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | 2.50% |
MidCap Credit Facility | Note Payable Yield Changes 3 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 13.5 | 11.5
Note payable, percentage of interest rate increases (decreases) | 2.00% |
Note payable to related party, fair value | $ 38.1 | $ 40.0
Change in fair value of note payable value due to change in interest rate percentage | $ (1.9) |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | (4.80%) |
MidCap Credit Facility | Note Payable Yield Changes 4 |  |
Fair Value Of Financial Instruments [Line Items] |  |
Note payable, percentage of yield | 9.5 | 11.5
Note payable, percentage of interest rate increases (decreases) | (2.00%) |
Note payable to related party, fair value | $ 42.1 | $ 40.0
Change in fair value of note payable value due to change in interest rate percentage | $ 2.1 |
Increase (decrease) in fair value of note payable percentage due to increases (decreases) in interest rate percentage | 5.30% |

X
- Definition Change in fair value of note payable percentage due to change in interest rate percentage. + References No definition available. + Details
Name: | mnkd_ChangeInFairValueOfNotePayablePercentageDueToChangeInInterestRatePercentage
Namespace Prefix: | mnkd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Change in fair value of note payable value due to change in interest rate percentage. + References No definition available. + Details
Name: | mnkd_ChangeInFairValueOfNotePayableValueDueToChangeInInterestRatePercentage
Namespace Prefix: | mnkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of financial instruments. + References No definition available. + Details
Name: | mnkd_FairValueOfFinancialInstrumentsLineItems
Namespace Prefix: | mnkd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Note payable, percentage of interest rate change. + References No definition available. + Details
Name: | mnkd_NotePayablePercentageOfInterestRateChange
Namespace Prefix: | mnkd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_DebtInstrumentMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value portion of notes payable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_NotesPayableFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mnkd_MannGroupPromissoryNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=mnkd_NotePayableYieldChangesOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=mnkd_NotePayableYieldChangesTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=mnkd_NotePayableYieldChangesThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=mnkd_NotePayableYieldChangesFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mnkd_MidCapCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |