The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent).

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The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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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.

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The cash outflow for the payment of a long-term borrowing made from a related party 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. Alternate caption: Payments for Advances from Affiliates.

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The cash outflow associated with payment on behalf of a related party, net of repayments.

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Cash outflow related to payments of interest-free loan to related parties.

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Related party transactions (Schedule of Significant Related Party Transactions) (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018 CNY (¥)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 CNY (¥)	Dec. 31, 2016 CNY (¥)
Related party transactions [Line Items]
Loan to related parties	¥ 188,000		¥ 24,962	¥ 44,500
Repayment of loans from related parties	20,000		35,462	0
Payment on behalf of related parties, net of repayments	(2,543)	$ (370)	(23,116)	10,699
Online games revenue [Member]
Related party transactions [Line Items]
Revenue shared from related parties	31,366		87,414	100,078
Guangzhou Chenjun Equity Investment Limited Partnership [Member]
Related party transactions [Line Items]
Partial disposal of a subsidiary to Guangzhou Chenjun	0		0	24,394
Guangzhou Chenjun [Member]
Related party transactions [Line Items]
Partial disposal of an equity investment to Guangzhou Chenjun	0		35,160	33,750
Guangzhou Sunhongs [Member] \| Bandwidth service [Member]
Related party transactions [Line Items]
Expense with related party	103,439		92,068	96,224
Other Related Party [Member]
Related party transactions [Line Items]
Other transaction with related parties	11,833		14,276	13,573
Kingsoft Group \| Bandwidth service [Member]
Related party transactions [Line Items]
Expense with related party	¥ 11,314		¥ 711	¥ 0