Unaudited Condensed Consolidated Balance Sheets - Parenthetical - $ / shares	Jun. 30, 2019	Dec. 31, 2018
Common stock, par value (usd per share)		$ 0.01
Common stock, shares authorized (shares)	426,000,000	1,000
Common stock, shares issued (shares)		995
Common stock, shares outstanding (shares)		995
Treasury stock (shares)	0	5
Common Class A
Common stock, par value (usd per share)	$ 0.0001
Common stock, shares authorized (shares)	200,000,000
Common stock, shares issued (shares)	47,357,632
Common stock, shares outstanding (shares)	47,357,632
Common Class C
Common stock, par value (usd per share)	$ 0.0001
Common stock, shares authorized (shares)	200,000,000
Common stock, shares issued (shares)	6,511,293
Common stock, shares outstanding (shares)	6,511,293

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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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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