Investments (Narrative) (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Consideration to acquire minority stake	¥ 2,118,648	¥ 301,848
Impairment charge	35,348	43,205	¥ 80,104
Sale Of Investments Consideration Received On Transaction	780,071
Gain on disposals and deemd disposal of investments	16,178
Equity Securities, FV-NI, Unrealized Loss	113,677
Equity securities with readily determinable fair value cost	204,499
Equity Securities, FV-NI, Realized Gain	356,545
Equity Securities, FV-NI, Gain	1,803,081	0
Unrealized Gain (Loss) on Investments	¥ 1,446,536
Investees [Member]
Equity method investment, ownership percentage	20.00%
Equity Method Investments [Member]
Equity Method Investments Original Cost	¥ 14,277	¥ 21,740

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
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Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, not including unrealized gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, held at each balance sheet date and included in earnings for the period.

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Original amount of equity-method investments at the acquisition date.

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Cost of investment in equity securities with readily determinable fair value.

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The difference between the carrying value and the sale price offered in disposal of an investment or the consideration offered in deemed disposal regarding to dilution of equity interests in an equity-method investment. A gain would be recognized when the sale price or the consideration is greater than the carrying value of the investment.

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The cash outflow associated with the purchase of or advances to cost method investments.

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Cash consideration on sale of investments.

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