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Unaudited Condensed Consolidated Statements of Financial Condition (Parenthetical) - $ / shares	Jun. 30, 2021	Dec. 31, 2020
Common stock, shares, outstanding (in shares)	79,042,004	78,572,110
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 (in shares)	64,839,462	63,131,007
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 (in shares)	3,647,533	4,457,958
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 (in shares)	10,555,009	10,983,145

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Face amount or stated value per share of common stock.

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