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Leases - Future lease payments required for leases that have initial or remaining non-cancelable lease terms (Detail)
$ in Thousands
Jun. 30, 2019
USD ($)
2019 (excluding the six months ended June 30, 2019) $ 3,997
2020 6,604
2021 4,806
2022 3,622
2023 1,941
Thereafter 2,241
Total future lease payments 23,211
Less: Imputed interest (2,054)
Total future lease payments $ 21,157