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Business Combinations - Unaudited Pro Forma Financial Information (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |
Total pro forma revenues | $ 209,409 | $ 173,973
Pro forma net loss | (124,485) | (90,850)
Acquisition Related Fair Value Adjustments |  |
Business Acquisition [Line Items] |  |
Net income (loss) | $ 9,500 | $ 30,800

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