VIE Structure and Arrangements (Narrative) (Details) - 6 months ended Jun. 30, 2016 ¥ in Thousands	USD ($) yr	CNY (¥) yr
Vie Structure And Arrangements 1	100.00%	100.00%
Vie Structure And Arrangements 2	30.00%	30.00%
Vie Structure And Arrangements 3	100.00%	100.00%
Vie Structure And Arrangements 4 | yr	20	20
Vie Structure And Arrangements 5		¥ 17,000
Vie Structure And Arrangements 6 | $	$ 2,600,000
Vie Structure And Arrangements 7	99.00%	99.00%
Vie Structure And Arrangements 8	1.00%	1.00%
Vie Structure And Arrangements 9	20	20
Vie Structure And Arrangements 10	30.00%	30.00%
Vie Structure And Arrangements 11		¥ 19,800
Vie Structure And Arrangements 12		200
Vie Structure And Arrangements 13		17,800
Vie Structure And Arrangements 14 | $	$ 2,700,000
Vie Structure And Arrangements 15 | $	0
Vie Structure And Arrangements 16		¥ 17,800
Vie Structure And Arrangements 17 | $	$ 2,700,000
Vie Structure And Arrangements 18	100.00%	100.00%
Vie Structure And Arrangements 19 | yr	20	20
Vie Structure And Arrangements 20		¥ 50,000
Vie Structure And Arrangements 21 | $	$ 7,500,000
Vie Structure And Arrangements 22		¥ 17,800
Vie Structure And Arrangements 23 | $	$ 2,800,000