American Depository Shares equivalent to common shares.

No definition available.

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- Definition

Common stock deemed issued but not outstanding.

+ References

No definition available.

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- Definition

Number of voting rights entitlement per ordinary shares.

+ References

No definition available.

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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.

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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- Definition

Description of basis for conversion of convertible common stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-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=6877327&loc=d3e13212-122682

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- Definition

Face amount or stated value per share of common stock.

+ References

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- Definition

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

+ References

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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.

+ References

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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
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- Definition

Number of shares issued for each share of convertible preferred stock that is converted.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

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Ordinary Shares - Additional Information (Details)		12 Months Ended
Ordinary Shares - Additional Information (Details)	Apr. 03, 2018 Vote $ / shares shares	Dec. 31, 2018 $ / shares shares	Sep. 24, 2018 shares	Apr. 30, 2018 shares	Apr. 12, 2018 shares	Feb. 02, 2018 shares	Dec. 31, 2017 $ / shares shares
Class Of Stock [Line Items]
Common stock, shares issued							342,548,237
Common stock, shares authorized	100,000,000,000						10,000,000,000
Common stock shares authorized	1,000,000,000
Common stock, par value per share \| $ / shares	$ 0.00001						$ 0.00001
Common stock conversion basis		Each share of Class A ordinary shares is entitled to one vote per share and is not convertible into Class B ordinary shares under any circumstances. Each share of Class B ordinary shares is entitled to ten votes per share and is convertible into one Class A ordinary share at any time by the holder thereof.
Common stock, shares outstanding							342,548,237
Preferred stock shares issued		0
Preferred stock shares outstanding		0
Class A Ordinary Shares
Class Of Stock [Line Items]
Common stock, shares issued		2,580,950,531
Number of shares converted into common stock	1,231,841,032
Common stock, shares authorized	94,000,000,000	94,000,000,000
Common stock, par value per share \| $ / shares		$ 0.00001
Number of voting rights entitlement per ordinary shares \| Vote	1
Common stock, shares deemed issued but not outstanding		381,524,626
Common stock, shares outstanding		2,199,425,905
Class A Ordinary Shares \| 2010 Plan and 2017 Plan
Class Of Stock [Line Items]
Common stock shares authorized			399,083,573
Class A Ordinary Shares \| IPO
Class Of Stock [Line Items]
Common stock, shares issued	875,000,000
ADS equivalent	125,000,000
Class A Ordinary Shares \| Over-Allotment Option
Class Of Stock [Line Items]
Common stock, shares issued				67,525,675
ADS equivalent				9,646,525
Class B Ordinary Shares
Class Of Stock [Line Items]
Common stock, shares issued		2,876,391,396			36,860,691
Number of shares converted into common stock	2,496,982,468
Common stock, shares authorized	5,000,000,000	5,000,000,000
Common stock, par value per share \| $ / shares		$ 0.00001
Number of voting rights entitlement per ordinary shares \| Vote	10
Common stock, shares outstanding		2,876,391,396
Cannes Ventures Limited
Class Of Stock [Line Items]
Common stock, shares issued						7,500,251