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Leases - Maturity Analysis of Operating Lease Liabilities (Detail)
$ in Thousands
Sep. 30, 2019
USD ($)
Leases [Abstract]  
2019 $ 207
2020 944
2021 977
2022 601
2023 351
Thereafter 2,057
Total 5,137
Less interest (616)
Operating lease liability $ 4,521