XML 127 R120.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill - Summary of Goodwill (Detail)
¥ in Thousands, $ in Thousands
Dec. 31, 2017
CNY (¥)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
CNY (¥)
Dec. 31, 2016
USD ($)
Disclosure of reconciliation of changes in goodwill [Line Items]        
Beginning Balance ¥ 212,636 $ 33,595    
Ending Balance 212,636 33,595 ¥ 212,636 $ 33,595
Cost [Member]        
Disclosure of reconciliation of changes in goodwill [Line Items]        
Beginning Balance 218,311 34,492 218,311 34,492
Ending Balance 218,311 34,492 218,311 34,492
Accumulated impairment [Member]        
Disclosure of reconciliation of changes in goodwill [Line Items]        
Beginning Balance 5,675 897 5,675 897
Ending Balance ¥ 5,675 $ 897 ¥ 5,675 $ 897