Leases - Minimum Lease Payments Prior to ASU 2016-02 (Details) $ in Thousands |
Aug. 31, 2019
USD ($)
|
|---|---|
| Future minimum payments due under operating leases | |
| 2020 | $ 2,468 |
| 2021 | 2,059 |
| 2022 | 1,371 |
| 2023 | 1,187 |
| 2024 | 1,200 |
| 2025 and thereafter | 2,608 |
| Total future minimum lease payments | $ 10,893 |