Face amount or stated value per share of common stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

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

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- Definition

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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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Condensed Consolidated Balance Sheets - Parenthetical - $ / shares	Jun. 30, 2021	May 31, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Common stock, par value (USD per share)	$ 0.0001
Common stock, shares authorized (shares)	426,000,000.0
Common stock, shares outstanding (shares)	81,391,022			75,516,352
Class A
Common stock, par value (USD per share)	$ 0.0001			$ 0.0001
Common stock, shares authorized (shares)	200,000,000			200,000,000
Common stock, shares issued (shares)	78,469,923	5,300,000		69,005,059
Common stock, shares outstanding (shares)	78,469,923		69,343,361	69,005,059	64,556,459	64,352,247	64,293,741
Class C
Common stock, par value (USD per share)	$ 0.0001			$ 0.0001
Common stock, shares authorized (shares)	200,000,000			200,000,000
Common stock, shares issued (shares)	2,921,099			6,511,293
Common stock, shares outstanding (shares)	2,921,099		6,511,293	6,511,293	6,511,293	6,511,293	6,511,293