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Organization and nature of operations - Accompanying Consolidated Financial Statements Include Financial Statements of Company, Subsidiaries, Variable Interest Entity ("VIE") and VIE's Subsidiaries (Details) | 12 Months Ended
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Dec. 31, 2019
Giganology Shenzhen |
Variable Interest Entity [Line Items] |
Place of incorporation | PRC
Period of incorporation | Jun. 30, 2005
Relationship | Subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Development of computer software and provision of information technology services to related companies
Xunlei BVI |
Variable Interest Entity [Line Items] |
Place of incorporation | British Virgin Islands
Period of incorporation | Feb. 28, 2011
Relationship | Subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Holding company
Xunlei HK |
Variable Interest Entity [Line Items] |
Place of incorporation | Hong Kong
Period of incorporation | Mar. 31, 2011
Relationship | Subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Holding company and development of computer software
Xunlei Computer |
Variable Interest Entity [Line Items] |
Place of incorporation | PRC
Period of incorporation | Nov. 30, 2011
Relationship | Subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Development of computer software and provision of information technology services
HK Onething |
Variable Interest Entity [Line Items] |
Place of incorporation | Hong Kong
Period of incorporation | Dec. 31, 2017
Relationship | subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Development of cloud computing technology and provision of related services
Thailand Onething |
Variable Interest Entity [Line Items] |
Place of incorporation | Thailand
Period of incorporation | Jul. 31, 2018
Relationship | subsidiary
Percentage of direct or indirect economic ownership | 49.00%
Principal activities | Development of cloud computing technology and provision of related services
Shenzhen Xunlei |
Variable Interest Entity [Line Items] |
Place of incorporation | People's Republic of China ("PRC")
Period of incorporation | Jan. 31, 2003
Relationship | VIE
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Development of software, provision of online and related advertising, membership subscription and online game services; as well as sales of software licenses
Wangwenhua |
Variable Interest Entity [Line Items] |
Place of incorporation | PRC
Period of incorporation | Dec. 31, 2005
Relationship | VIE's subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Development of software for related companies, provision of advertising services and production of broadcast television programs
Zhuolian Software |
Variable Interest Entity [Line Items] |
Place of incorporation | PRC
Period of incorporation | Jan. 31, 2010
Relationship | VIE's subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Provision of software technology development for related companies
Xunlei Games |
Variable Interest Entity [Line Items] |
Place of incorporation | PRC
Period of incorporation | Feb. 28, 2010
Relationship | VIE's subsidiary
Percentage of direct or indirect economic ownership | 70.00%
Principal activities | Development of online game and computer software for related companies and provision of advertising services
Onething |
Variable Interest Entity [Line Items] |
Place of incorporation | PRC
Period of incorporation | Sep. 30, 2013
Relationship | VIE's subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Development of computer software, sale of hardware, and provision of information technology services
Beijing Xunjing |
Variable Interest Entity [Line Items] |
Place of incorporation | PRC
Period of incorporation | Oct. 31, 2015
Relationship | VIE's subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Development of computer software and provision of information technology services
Crystal Interactive |
Variable Interest Entity [Line Items] |
Place of incorporation | PRC
Period of incorporation | May 31, 2016
Relationship | VIE's subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Development of computer software and provision of information technology services
Beijing Onething |
Variable Interest Entity [Line Items] |
Place of incorporation | PRC
Period of incorporation | Jan. 31, 2017
Relationship | VIE's subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Provision of technology services and development of computer software
Henan Tourism |
Variable Interest Entity [Line Items] |
Place of incorporation | PRC
Period of incorporation | Jun. 01, 2018
Relationship | VIE's subsidiary
Percentage of direct or indirect economic ownership | 80.00%
Principal activities | Software development, tourism consulting and other related services
Xian Onething |
Variable Interest Entity [Line Items] |
Place of incorporation | PRC
Period of incorporation | Jul. 31, 2018
Relationship | VIE's subsidiary
Percentage of direct or indirect economic ownership | 100.00%
Principal activities | Development and research of blockchain technology and computer software

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