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Leases - Future Minimum Payments Under Non-cancelable Leases (Detail)
$ in Thousands
Dec. 31, 2018
USD ($)
Lessee Disclosure [Abstract]  
2019 $ 32,228
2020 34,826
2021 34,410
2022 34,826
2023 35,270
Thereafter 390,455
Total $ 562,015