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Avinza Co-Promotion (Details Textual) | Dec. 31, 2014
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Co Promotion [Line Items] |
Percentage of net sales payable as royalty | 6.50%
Scenario, Forecast |
Co Promotion [Line Items] |
Percentage of net sales payable as royalty | 6.00%

X
- Details
Name: | lgnd_CoPromotionLineItems
Namespace Prefix: | lgnd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of net sales payable as royalty. + References No definition available. + Details
Name: | lgnd_PercentageOfNetSalesPayableAsRoyalty
Namespace Prefix: | lgnd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant