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Acquisitions - Additional Information (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jul. 12, 2021 | Sep. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2020
Business Acquisition [Line Items] |  |  |  |
Compensation expense |  |  | $ 16,417 | $ 3,473
Max Digital LLC |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Date of acquisition | Jul. 12, 2021 |  |  |
Cash paid for business acquisition | $ 61,400 |  |  |
Acquisition transaction costs | $ 1,000 |  |  |
Name of acquired entity | Max Digital |  |  |
Description of acquired entity | Max Digital is a pioneer in automotive data and merchandising products, and is best known for its flagship inventory management system platform. Max Digital's software products enable dealers to accurately price wholesale and retail inventory while maximizing profit on each vehicle sold by leveraging predictive analytics informed by machine learning. |  |  |
Amortization Method |  |  | straight-line basis |
Amortization Period |  |  | 15 years |
TruePartners USA LLC |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Compensation expense |  | $ 3,400 |  |

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