v3.21.2

Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Common Class A |  |
Common stock, par value | $ 0.01 | $ 0.01
Common stock, shares authorized | 300,000,000 | 300,000,000
Common stock, shares outstanding | 56,386,926 | 44,953,166
Common stock, shares issued | 56,386,926 | 44,953,166
Common Class B |  |
Common stock, par value | $ 0.0001 | $ 0.0001
Common stock, shares authorized | 100,000,000 | 100,000,000
Common stock, shares outstanding | 52,484,315 | 49,828,383
Common stock, shares issued | 52,484,315 | 49,828,383

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