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Unaudited Condensed Consolidated Statements of Financial Condition (Parenthetical) - $ / shares | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Common stock, shares, outstanding | 78,575,100 | 77,801,854
Class A Common Stock |  |
Common stock, par value per share (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized (in shares) | 500,000,000 | 500,000,000
Common stock, shares, outstanding | 61,425,521 | 56,429,825
Class B Common Stock |  |
Common stock, par value per share (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized (in shares) | 200,000,000 | 200,000,000
Common stock, shares, outstanding | 5,519,415 | 7,803,364
Class C Common Stock |  |
Common stock, par value per share (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized (in shares) | 400,000,000 | 400,000,000
Common stock, shares, outstanding | 11,630,164 | 13,568,665

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