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Acquisition - Additional Information (Detail) - USD ($) $ in Thousands | Nov. 01, 2019 | Mar. 31, 2020 | Sep. 30, 2019
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill |  | $ 37,577 | $ 36,947
Lonesome Oak |  |  |
Business Acquisition [Line Items] |  |  |
Goodwill | $ 631 |  |
Marquis | Lonesome Oak |  |  |
Business Acquisition [Line Items] |  |  |
Business combination, transaction value | 2,000 |  |
Business combination, Holdback amount | $ 1,450 |  |
Business combination, term of employment agreement | 5 years |  |
Business combination, term of non competition and non solicitation covenant | 3 years |  |

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