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Balance Sheet Components (Additional Information) (Details) - La Jolla Pharmaceutical Company - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Inventory [Line Items] |  |  |
Net fair value adjustment of inventory from acquisition | $ 16.1 |  | $ 23.0
Amortization of fair value adjustments of Cost of products sold | $ 6.8 | $ 6.8 |

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- Definition Amortization of fair value adjustments of cost of products sold. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Value of net fair value adjustment of inventory resulting from the acquisition. + References No definition available. + Details
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Namespace Prefix: | inva_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_InventoryLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=inva_LaJollaPharmaceuticalCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |