Leases - Schedule of Maturity Analysis of Operating Lease Liabilities (Detail) $ in Thousands	Mar. 31, 2019 USD ($)
Leases [Abstract]
2019	$ 31,383
2020	30,435
2021	23,312
2022	26,672
2023	22,652
Thereafter	143,863
Total	278,317
Interest	(73,428)
Total	$ 204,889