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Leases - Schedule of Lease Liabilities with Enforceable Contract Terms are Greater Than One year Mature (Detail)
$ in Thousands
Jun. 30, 2019
USD ($)
Leases [Abstract]  
Remainder of 2019 $ 7,831
2020 14,397
2021 10,906
2022 6,991
2023 6,500
Thereafter 21,730
Total lease payments 68,355
Less effects of discounting (12,787)
Operating lease liabilities $ 55,568