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Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	May 20, 2016
Commitments And Contingencies Disclosure [Line Items]
Operating lease expiration date	2018-02
CMC ICOS Biologics, Inc.
Commitments And Contingencies Disclosure [Line Items]
Contractual obligation payments	$ 2.1	$ 3.8

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- Definition

Commitments and contingencies disclosure.

+ References

No definition available.

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- Definition

Operating lease expiration date.

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No definition available.

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- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

+ Details

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- Details

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