CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
¥ in Thousands, $ in Thousands
CNY (¥)
shares
USD ($)
shares
Ordinary shares [Member]
CNY (¥)
shares
Ordinary shares [Member]
USD ($)
shares
Treasury stock [Member]
CNY (¥)
Treasury stock [Member]
USD ($)
Additional paid-in capital [Member]
CNY (¥)
Additional paid-in capital [Member]
USD ($)
Accumulated other comprehensive loss [Member]
CNY (¥)
Accumulated other comprehensive loss [Member]
USD ($)
Accumulated deficit [Member]
CNY (¥)
Accumulated deficit [Member]
USD ($)
Noncontrolling interests [Member]
CNY (¥)
Noncontrolling interests [Member]
USD ($)
Balance at Dec. 31, 2014 ¥ 1,800,058   ¥ 105   ¥ (5)   ¥ 2,074,125   ¥ (18,651)   ¥ (258,025)   ¥ 2,509  
Balance, shares at Dec. 31, 2014 | shares     134,836,300 134,836,300                    
Net loss (79,279)   ¥ 0   0   0   0   (78,304)   (975)  
Other comprehensive loss (27,923)   0   0   0   (27,923)   0   0  
Contribution from non-controling interst 40,728   0   0   0   0   0   40,728  
Share-based compensation 8,084   0   0   8,084   0   0   0  
Dividends (288,157)   0   0   (288,157)   0   0   0  
Share repurchase ¥ (19,723)   ¥ 0   (1)   (19,722)   0   0   0  
Share repurchase, shares | shares (614,033) (614,033) (1,842,099) (1,842,099)                    
Balance at Dec. 31, 2015 ¥ 1,433,788   ¥ 105   (6)   1,774,330   (46,574)   (336,329)   42,262  
Balance, shares at Dec. 31, 2015 | shares     132,994,201 132,994,201                    
Net loss (265,084)   ¥ 0   0   0   0   (261,867)   (3,217)  
Other comprehensive loss (41,394)   0   0   0   (41,394)   0   (3,523)  
Share-based compensation 8,400   0   0   8,400   0   0   0  
Share repurchase ¥ (30,402)   ¥ 0   (2)   (30,400)   0   0   0  
Share repurchase, shares | shares (967,408) (967,408) (2,902,224) (2,902,224)                    
Changes in ownership of MHM ¥ 129,985   ¥ 0   0   99,915   0   0   30,070  
Balance at Dec. 31, 2016 1,231,770   ¥ 105   (8)   1,852,245   (87,968)   (598,196)   65,592  
Balance, shares at Dec. 31, 2016 | shares     130,091,977 130,091,977                    
Net loss (285,684)   ¥ 0   0   0   0   (284,320)   (1,364)  
Other comprehensive loss 40,550 $ 6,232 0   0   0   40,550   0   3,849  
Contribution from non-controling interst 12,800   0   0   0   0   0   12,800  
Share-based compensation 11,641   0   0   11,641   0   0   0  
Disposal of subsidiaries (8)   0   0   0   0       (8)  
Balance at Dec. 31, 2017 1,014,918 $ 155,990 ¥ 105 $ 16 (8) $ (1) 1,860,763 $ 285,994 (47,418) $ (7,288) (879,393) $ (135,160) 80,869 $ 12,429
Balance, shares at Dec. 31, 2017 | shares     130,091,977 130,091,977                    
Cumulative adjustments for changes in accounting principles (note 2) ¥ 0   ¥ 0   ¥ 0   ¥ (3,123)   ¥ 0   ¥ 3,123   ¥ 0