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- Definition

Portion of consideration allocated to equity.

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No definition available.

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- Definition

Portion of consideration allocated to license and pre-clinical research and development.

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No definition available.

+ Details

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- Definition

Clinical milestone earned during the period

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- Definition

Date on which the Company entered into agreement.

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- Definition

Initial fee received from collaboration or license agreement.

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- Definition

Total potential regulatory milestones company could earn under agreement

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No definition available.

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- Definition

Total potential sales milestones company could earn under agreement

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No definition available.

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- Definition

Amount by which purchase price exceeds fair value for common stock purchased by collaborator.

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No definition available.

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Total consideration received under agreement.

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No definition available.

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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.

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No definition available.

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- Definition

Revenue earned during the period relating to consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity.

+ 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

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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Collaboration and Other Agreements, Janssen Biotech, Inc. (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended
	Jan. 31, 2015	Jun. 30, 2016	Jun. 30, 2016	Jun. 30, 2015	Jul. 31, 2015
Janssen MGD011 Agreement [Member] \| Maximum [Member]
Collaboration and Other Agreements [Line Items]
Additional Potential Development Milestone Payments Under Agreement		$ 205.0	$ 205.0
Janssen MGD015 Agreement [Member] \| Maximum [Member]
Collaboration and Other Agreements [Line Items]
Additional Potential Development Milestone Payments Under Agreement		100.0	100.0
Janssen Biotech, Inc. [Member]
Collaboration and Other Agreements [Line Items]
Recognized revenue under agreement			$ 0.0
Janssen Biotech, Inc. [Member] \| Janssen MGD011 Agreement [Member]
Collaboration and Other Agreements [Line Items]
Collaboration or other agreement date			December 2014
Sale of common stock (in shares)	1,923,077
Proceeds of stock sale	$ 75.0
Sale of common stock (in dollars per share)	$ 39.00
Premium received on stock purchase	$ 12.3
Total consideration	125.0
Amount allocated to equity	62.7
Amount allocated to license and R&D	62.3
Clinical milestone earned during period					$ 10.0
Recognized revenue under agreement		0.0		$ 62.3
Non-refundable upfront payment	$ 50.0
Janssen Biotech, Inc. [Member] \| Janssen MGD011 Agreement [Member] \| Maximum [Member]
Collaboration and Other Agreements [Line Items]
Potential regulatory milestone payments under agreement		220.0	$ 220.0
Potential sales milestone payments under agreement		150.0	$ 150.0
Janssen Biotech, Inc. [Member] \| Janssen MGD015 Agreement [Member]
Collaboration and Other Agreements [Line Items]
Collaboration or other agreement date			May 2016
Recognized revenue under agreement		75.0
Non-refundable upfront payment		75.0
Janssen Biotech, Inc. [Member] \| Janssen MGD015 Agreement [Member] \| Maximum [Member]
Collaboration and Other Agreements [Line Items]
Potential regulatory milestone payments under agreement		265.0	$ 265.0
Potential sales milestone payments under agreement		$ 300.0	$ 300.0