SHAREHOLDERS' EQUITY (Narrative) (Details) $ / shares in Units, ¥ in Thousands, $ in Thousands |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Dec. 11, 2015
$ / shares
|
Sep. 30, 2015
CNY (¥)
|
Aug. 10, 2015
USD ($)
$ / shares
|
Dec. 31, 2016
CNY (¥)
shares
|
Dec. 31, 2016
USD ($)
shares
|
Dec. 31, 2015
USD ($)
shares
|
|
| Consideration to repurchase shares | $ | $ 4,542 | $ 3,111 | ||||
| Shares repurchased | shares | 967,408 | 967,408 | 614,033 | |||
| Amount of dividend paid | ¥ | ¥ 288,157 | ¥ 285,829 | ||||
| Special dividend per share | $ / shares | $ 0.33 | |||||
| Price per share | $ / shares | $ 7.99 | |||||
| Ordinary shares [Member] | ||||||
| Shares repurchased | shares | 2,902,224 | 2,902,224 | 1,842,099 | |||
| American Depositary Shares [Member] | ||||||
| Consideration to repurchase shares | $ | $ 20,000 | |||||
| Shares repurchased | shares | 967,408 | 967,408 | 614,033 | |||
| American Depositary Shares [Member] | Maximum [Member] | ||||||
| Price per share | $ / shares | $ 7.99 | |||||