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Commitment and Contingencies - Narrative (Details) - USD ($) | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
Business Acquisition, Contingent Consideration [Line Items] |  |  |  |  |  |
Contingent consideration | $ 34,258,000 | $ 20,667,000 | $ 18,250,000 | $ 17,788,000 | $ 15,820,000 | $ 17,610,000
Array | TRA |  |  |  |  |  |
Business Acquisition, Contingent Consideration [Line Items] |  |  |  |  |  |
Contingent consideration | $ 18,324,000 | 18,845,000 | 17,808,000 | 17,346,000 | 15,378,000 | 17,168,000
Tax Receivable Agreement, payment term | 125 days |  |  |  |  |
Array | Earn-Out Liability |  |  |  |  |  |
Business Acquisition, Contingent Consideration [Line Items] |  |  |  |  |  |
Contingent consideration | $ 15,934,000 | $ 1,822,000 | $ 442,000 | $ 442,000 | $ 442,000 | $ 442,000
Maximum aggregate earn-out consideration | $ 25,000,000.0 |  |  |  |  |

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