Represents the amount of the milestone payment made under the license agreement.

No definition available.

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Namespace Prefix:	incy_
Data Type:	xbrli:monetaryItemType
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- Definition

Represents the percentage of future global development costs funded under the license agreement.

+ References

No definition available.

+ Details

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- Definition

Represents the potential milestone payments to be made under the license agreement if profit sharing is terminated.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of profits (losses).

+ References

No definition available.

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- Definition

Represents the purchase of common stock under Stock Purchase Agreement.

+ References

No definition available.

+ Details

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- Definition

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

+ References

+ Details

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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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Data Type:	xbrli:stringItemType
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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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License Agreements - Calithera (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2017	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2017	Jan. 01, 2017
License agreements
Long term investments		$ 221,266	$ 222,301
Research and development expense		1,458,179	2,215,942	$ 1,154,111
Unrealized gain (loss) on long term investments		(24,072)	10,426	34,458
Calithera
License agreements
Funding of future development costs (as a percent)	70.00%
Potential milestone payments to be made with profit sharing terminated	$ 720,000
Milestone payment made under license agreement					$ 12,000
Calithera \| U.S.
License agreements
Percentage of profit (losses)	60.00%
Calithera
License agreements
Long term investments		$ 1,100	8,400
Ownership percentage (as a percent)		2.00%
Calithera \| Other Comprehensive Income
License agreements
Unrealized gain (loss) on long term investments		$ (7,300)	$ (1,400)	$ 2,900
Calithera \| Stock purchase agreement
License agreements
Purchase of common stock under Stock Purchase Agreement (in shares )	1.7
Purchase price of common stock						$ 8,000
Per share price						$ 4.65