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Commitments and Contingencies - Fanapt - Additional Information (Detail) - Fanapt®	12 Months Ended	60 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Fanapt
Royalty payable percentage on net sales	6.00%
Royalty payment period	10 years
November 16,2016 through December 31,2019
Fanapt
Royalty payable percentage on net sales		3.00%

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- Definition

Fanapt [Abstract]

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No definition available.

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- Definition

Royalty payable percentage under a contractual arrangement for use of technology or intellectual property.

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No definition available.

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- Definition

Royalty Period

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No definition available.

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- Details

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- Details

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