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Acquisition - Additional Information (Detail) - USD ($) $ in Thousands | Aug. 15, 2019 | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill |  | $ 28,125 | $ 27,808
ATP Containers LLC, dba TuffBox Container (“TuffBox”) [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Total purchase price | $ 7,800 |  |
Intangible assets | 1,300 |  |
Accounts payable and accrued liabilities acquired |  | $ 400 |
Goodwill | 300 |  |
ATP Containers LLC, dba TuffBox Container (“TuffBox”) [Member] | Rental Equipment [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Assets acquired | $ 5,500 |  |

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