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Subsequent Event (Details) - Incyte Corporation - Incyte MGA012 Agreement - Subsequent Event $ in Millions	1 Months Ended
	Oct. 31, 2017 USD ($)
Subsequent Event [Line Items]
Non-refundable upfront payment	$ 150.0
Minimum
Subsequent Event [Line Items]
Potential royalty revenue percent	15.00%
Maximum
Subsequent Event [Line Items]
Potential clinical, regulatory and commercialization milestone payments	$ 750.0
Potential royalty revenue percent	24.00%

X

- Definition

Initial fee received from collaboration or license agreement.

+ References

No definition available.

+ Details

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- Definition

Potential Clinical, Regulatory and Commercialization Milestone Payments Under Agreement

+ References

No definition available.

+ Details

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X

- Definition

Potential Royalty Revenue Percent

+ References

No definition available.

+ Details

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X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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