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Fair Value Measurements (Reconciliation of fair value measurements using significant unobservable inputs (level 3)) (Details) - Available-for-sale investments [Member] - CNY (¥) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Beginning balance | ¥ 513,994 | ¥ 77,093
Additional investments |  | 352,008
Additional investments obtained from conversion of ordinary shares |  | 40,538
Additional investments obtained from conversion of convertible loans | 143,820 |
Change in fair value | 247,336 | 15,869
Currency translation adjustment | 34,282 | 28,486
Ending balance | ¥ 939,432 | ¥ 513,994

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- Definition Amount of additional investments obtained from conversion of convertible loans of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
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- Definition Amount of currency translation adjustment of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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