Leases - Summary of Lease Balances (Detail) $ in Thousands	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease right-of-use assets	$ 69,100
Short-term operating lease liabilities	$ 12,208
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:AccruedLiabilitiesCurrent
Non-current operating lease liabilities	$ 67,062
Total operating lease liabilities	$ 79,270