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Common Stock - Narrative (Details)	Mar. 31, 2021 vote $ / shares shares	Dec. 31, 2020 $ / shares shares
Class A common stock
Class of Stock [Line Items]
Common stock, number of votes per share | vote	1
Common stock, shares authorized (in shares)	2,250,000,000	2,250,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.001	$ 0.001
Common stock, shares issued (in shares)	255,958,244	249,401,232
Common stock, shares outstanding (in shares)	255,958,244	249,401,232
Class B common stock
Class of Stock [Line Items]
Common stock, number of votes per share | vote	10
Common stock, shares authorized (in shares)	315,000,000	315,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.001	$ 0.001
Common stock, shares issued (in shares)	54,566,838	59,238,742
Common stock, shares outstanding (in shares)	54,566,838	59,238,742

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Common Stock, Voting Rights, Number Of Votes For Each Share

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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