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Acquisitions and Joint Ventures - Additional Information (Detail) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Jun. 04, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Jul. 31, 2020
Business Acquisition Contingent Consideration [Line Items] |  |  |  |  |
Acquisition of equity | 100.00% |  |  |  |
Contingent consideration | $ 10,300 |  |  |  |
Fair value | $ 600 |  |  |  |
Increase in estimated fair value of earnout |  | $ 1,700 |  |  |
Amortizationand earout expenses |  | 1,200 |  |  |
EIS revenue |  | 8,100 |  |  |
Net revenue |  | (800) |  |  |
Assets Current |  | 183,485 | $ 179,498 |  |
Liabilities |  | 215,703 | 215,620 |  |
Pre tax loss |  | 11,844 | $ 13,344 | $ 2,497 |
Joint Venture Agreement | Joint Venture Agreement |  |  |  |  |
Business Acquisition Contingent Consideration [Line Items] |  |  |  |  |
Percentage of equity hold in joint venture |  |  |  |  | 70.00%
Voting interest in joint venture |  |  |  |  | 50.00%
Non controlling equity interest |  |  |  |  | 30.00%
Net assets acquired |  |  |  |  | $ 1,000
Assets Current |  | 6,400 |  |  |
Long-Lived Assets |  | 8,900 |  |  |
Liabilities |  | 7,600 |  |  |
Revenues |  | 7,700 |  |  |
Pre tax loss |  | (200) |  |  |
Customer Lists [Member] |  |  |  |  |
Business Acquisition Contingent Consideration [Line Items] |  |  |  |  |
Acquired intangible assets |  | 4,200 |  |  |
Tradename [Member] |  |  |  |  |
Business Acquisition Contingent Consideration [Line Items] |  |  |  |  |
Acquired intangible assets |  | $ 600 |  |  |
Intangible assets, Useful Life |  | 10 years |  |  |
Customer Lists and Tradename [Member] |  |  |  |  |
Business Acquisition Contingent Consideration [Line Items] |  |  |  |  |
Intangible assets, Useful Life |  | 10 years |  |  |

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