Stock-Based Awards - Summary of Option Activity (Parenthetical) (Detail)	12 Months Ended
Dec. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Expire start date on options	Jan. 28, 2020
Expire end date on options	Nov. 15, 2021

Share Based Compensation Arrangement By Share Based Payment Award Expiration Period Start Date

No definition available.

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