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Equity Awards and Instruments - Stock Grants (Details) - Class B Common Stock - 2020 Incentive Award Plan - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Fully vested shares granted (in shares) 7,824 21,956 0
Fully vested shares granted $ 450 $ 319