SHARE-BASED AWARDS (Schedule of Share-Based Compensation Expense) (Details) ¥ in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2017
CNY (¥)
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
CNY (¥)
|
Dec. 31, 2015
CNY (¥)
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Share-based compensation | ¥ 11,641 | $ 1,789 | ¥ 8,400 | ¥ 8,084 |
| General and Administrative Expense [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Share-based compensation | 10,099 | 1,552 | 7,573 | 7,304 |
| Selling Expenses [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Share-based compensation | ¥ 1,542 | $ 237 | ¥ 827 | ¥ 780 |