Represents the amortization of capitalized fees paid to a related party.

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the royalty rate for combination products.

+ References

No definition available.

+ Details

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- Definition

Represents the potential future contingent payments that the entity is eligible to receive.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the maximum amount of potential milestone payments that could be payable.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the amount of registrational and launch-related milestone fee paid under the collaborative arrangement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the royalty rate which the entity will receive under the collaboration agreement on the first defined level of annual global net sales.

+ References

No definition available.

+ Details

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- Definition

Represents the royalty rate which the entity will receive under the collaboration agreement on sales which exceed the first defined level of annual global net sales.

+ References

No definition available.

+ Details

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- Definition

Represents the annual global net sales amount which determines the royalty rate applied under the collaboration arrangement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the percentage of milestone payment which company is entitled to receive.

+ References

No definition available.

+ Details

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Namespace Prefix:	inva_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents revenue net of amortization expense for capitalized fees paid to a related party during the period from the leasing or otherwise lending to a related party the entity's rights or title to certain property, excluding revenue from collaborative arrangements. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. An example of property from which royalties may be derived includes patents.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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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

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Related Parties
-URI http://asc.fasb.org/extlink&oid=16382449

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07.1(c))
-URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

+ Details

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Period Type:	duration

- Definition

Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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- Details

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- Details

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- Details

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Collaborative Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2014
Information related to collaborative arrangements
Less: amortization of capitalized fees paid to a related party	$ (3,456)	$ (3,456)	$ (6,912)	$ (6,912)
Royalty revenue	58,341	32,251	98,612	56,206
Strategic alliance - MABA program license	221	221	442	442
Total net revenue	58,562	32,472	99,054	56,648
GSK
Information related to collaborative arrangements
Total net revenue	58,562	32,472	99,054	56,648
Long-acting beta agonist (LABA) collaboration \| GSK
Information related to collaborative arrangements
Royalties from a related party	61,797	35,707	105,524	63,118
Less: amortization of capitalized fees paid to a related party	(3,456)	(3,456)	(6,912)	(6,912)
Royalty revenue	58,341	32,251	98,612	56,206
Milestone fees paid					$ 220,000
Obligation for milestone payments	0		0
Long-acting beta agonist (LABA) collaboration \| GSK \| RELVAR/BREO
Information related to collaborative arrangements
Royalties from a related party	54,645	31,482	$ 93,334	55,769
Royalty rate for first level of annual global net sales (as a percent)			15.00%
Annual global sales level used to determine royalty rate			$ 3,000,000
Royalty rate for sales above first level of annual global net sales (as a percent)			5.00%
Long-acting beta agonist (LABA) collaboration \| GSK \| ANORO
Information related to collaborative arrangements
Royalties from a related party	7,152	4,225	$ 12,190	7,349
Long-acting beta agonist (LABA) collaboration \| GSK \| ANORO \| Minimum
Information related to collaborative arrangements
Royalty rate for combination products (as a percent)			6.50%
Long-acting beta agonist (LABA) collaboration \| GSK \| ANORO \| Maximum
Information related to collaborative arrangements
Royalty rate for combination products (as a percent)			10.00%
Strategic alliance - MABA program license \| GSK
Information related to collaborative arrangements
Strategic alliance - MABA program license	221	$ 221	$ 442	$ 442
Percentage of milestone payment			15.00%
Strategic alliance - MABA program license \| GSK \| Maximum
Information related to collaborative arrangements
Potential future contingent payments receivable	$ 363,000		$ 363,000