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Organization and principal activities (Schedule of Details of Subsidiaries, VIEs and VIE's Subsidiary) (Details)	12 Months Ended
	Dec. 31, 2018
Zhuhai Huanju Interactive Entertainment Technology [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	100.00%
Shanghai Yilian Equity Investment Partnership LP [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	93.50%
Guangzhou Huya Technology Co., Ltd. [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	44.00%
HUYA Inc [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	44.00%
Guangzhou Huya Information Technology Company Limited [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	44.00%
Guangzhou Yilianyixing Investment Partnership LP [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	99.00%
Guangzhou Huanju Microfinance Co., Ltd. [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	100.00%
Guangzhou Huaduo [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	100.00%
Duowan Entertainment Corporation [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	100.00%
Huanju Shidai Technology Beijing Company Limited [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	100.00%
Guangzhou Huanju Shidai [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	100.00%
Engage Capital Partners I LP [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	93.50%
Hago Singapore Pte. Ltd. [Member]
Subsidiaries, VIEs and VIE's subsidiary [Line Items]
% of direct or indirect economic ownership	100.00%

X

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=108788376&loc=SL6759159-111685

+ Details

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- Definition

It represents the percentage of ownership.

+ References

No definition available.

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- References

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