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Related party transactions (Schedule of Amounts Due from/to Related Parties) (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2016 CNY (¥) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 CNY (¥)
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Related party transactions [Line Items] |  |  |
Amounts due from related parties | ¥ 135,245 | $ 19,479 | ¥ 5,297
Amounts due to related parties | 91,245 | $ 13,142 | 24,917
Bigo [Member] |  |  |
Related party transactions [Line Items] |  |  |
Amounts due from related parties | 31,528 |  |
Other Related Party [Member] |  |  |
Related party transactions [Line Items] |  |  |
Amounts due from related parties | 12,573 |  | 5,297
Amounts due to related parties | 7,196 |  | 5,733
Guangzhou Chenjun [Member] |  |  |
Related party transactions [Line Items] |  |  |
Amounts due from related parties | 58,144 |  |
Xingxue [Member] |  |  |
Related party transactions [Line Items] |  |  |
Amounts due from related parties | 20,000 |  |
Amounts due to related parties | 42,128 |  |
Shanghai Rongyi [Member] |  |  |
Related party transactions [Line Items] |  |  |
Amounts due from related parties | 13,000 |  |
Shanghang [Member] |  |  |
Related party transactions [Line Items] |  |  |
Amounts due to related parties | 10,925 |  | 10,167
Guangzhou Kuyou [Member] |  |  |
Related party transactions [Line Items] |  |  |
Amounts due to related parties | ¥ 30,996 |  | ¥ 9,017

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- Definition The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(11)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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