Leases - Summary of Future Minimum Lease Payments Under Non-cancellable Operating Leases (Detail) $ in Thousands	Dec. 31, 2019 USD ($)
Leases [Abstract]
2020	$ 25,976
2021	25,134
2022	20,251
2023	15,097
2024	13,848
Thereafter	12,639
Total future minimum lease payments	112,945	[1]
Less: Interest	(11,567)	[2]
Lease liabilities	101,378
Current operating lease liabilities	22,442
Non-current operating lease liabilities	78,936
Total	$ 101,378

[1] For leases commencing prior to 2019, minimum lease payments exclude payments for real estate taxes and non-lease components.

[2] We used our functional currency adjusted incremental borrowing rate for the discount rate for the leases at adoption date and will use the same approach for all leases commencing thereafter.