XML 17 R33.htm IDEA: XBRL DOCUMENT
v3.19.3

Stock-Based Compensation - 2018 Market-Based RSAs and RSUs (Details) - 2018 Market-Based RSAs and RSUs - USD ($) $ in Millions |  | 2 Months Ended
--- | --- | ---
Mar. 02, 2018 | Sep. 30, 2018
Market-Based RSAs and RSUs |  |
Stock-based compensation |  |
Reversal of previously recognized compensation expense |  | $ 0.2
Market-Based RSAs and RSUs | Senior Management |  |
Stock-based compensation |  |
Timeframe for calculation of TSR | 3 years |
Aggregate value to be recognized as compensation expense | $ 1.7 |
Market-Based RSAs |  |
Stock-based compensation |  |
Forfeited (in shares) |  | 111,668
Market-Based RSAs | Senior Management |  |
Stock-based compensation |  |
Granted (in shares) | 111,668 |
Market-Based RSUs |  |
Stock-based compensation |  |
Forfeited (in shares) |  | 49,630
Market-Based RSUs | Senior Management |  |
Stock-based compensation |  |
Granted (in shares) | 49,630 |

X
- Definition Represents information pertaining to period over which the relative total shareholder return is to be calculated to enable vesting of share-based payment awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | inva_ShareBasedCompensationArrangementByShareBasedPaymentAwardTimeframeForCalculationOfRelativeTotalShareholderReturn
Namespace Prefix: | inva_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for employee benefit and equity-based compensation. + References No definition available. + Details
Name: | us-gaap_EmployeeBenefitsAndShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value, before forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). + References No definition available. + Details
Name: | us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=inva_MarketBasedRsasAndRsus2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=inva_MarketBasedRestrictedStockAwardsAndRestrictedStockUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_ManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=inva_MarketBasedRestrictedStockAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=inva_MarketBasedRestrictedStockUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |