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Leases - Schedule of Maturities of Lease Liabilities (Detail) - USD ($)
$ in Thousands
Jun. 30, 2019
Jan. 01, 2019
Leases [Abstract]    
2020 $ 4,019  
2021 4,146  
2022 4,159  
2023 3,657  
2024 3,519  
Thereafter 119,092  
Total lease payments 138,592  
Less imputed interest (97,901)  
Total $ 40,691 $ 40,300