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Leases (Summary of Remaining Operating Lease Payments) (Details)
$ in Thousands
Sep. 30, 2019
USD ($)
Leases [Abstract]  
2020 $ 6,598
2021 5,796
2022 3,882
2023 2,288
2024 1,251
Thereafter 663
Total future minimum rental commitments 20,478
Less: Imputed interest (1,991)
Total lease liabilities $ 18,487