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Implemented Accounting Pronouncements - Future Minimum Lease Payments under Non-Cancelable Finance Leases (Detail)
$ in Thousands
Sep. 30, 2019
USD ($)
Future minimum lease payments under non-cancelable finance leases  
2019 $ 1,039
2020 1,913
2021 607
2022 187
2023 50
Thereafter 9
Total minimum future lease payments $ 3,805