Subsequent Event - Additional Information (Detail) - Subsequent Event [Member]	Apr. 05, 2020
Subsequent Event [Line Items]
Subsequent event, description	On April 5, 2020, the Company experienced a cyber incident affecting the Company’s Americas’ back-office systems (the “April 2020 Cyber Incident”). The Company believes it has identified the specific systems that were impacted and that it has restored normal operations with no material day-to-day impact to its ability to access data, and no impact to client-connected systems or data outside of its back-office environment. The Company’s investigation of the incident is ongoing with assistance from third-party experts. The Company has notified law enforcement officials and will cooperate with any criminal investigation of this matter. The Company maintains a cyber and privacy insurance policy and expects to recover amounts paid related to the incident under its insurance policy, with the exception of the Company’s deductible, which is not material.
Subsequent event, date	Apr. 05, 2020