LOSS ON FOREIGN CURRENCY FORWARD CONTRACT (Narrative) (Details) ¥ in Thousands |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
|
May 19, 2016
CNY (¥)
|
Dec. 31, 2017
CNY (¥)
|
Dec. 31, 2016
CNY (¥)
|
Dec. 31, 2015
CNY (¥)
|
|
| Gain (Loss) on Derivative Instruments, Net, Pretax | ¥ (12,898) | |||
| Foreign Exchange Forward [Member] | ||||
| Derivative, Notional Amount | ¥ 564,095 | |||
| Gain (Loss) on Derivative Instruments, Net, Pretax | ¥ 12,898 | |||
| Derivative, Inception Date | Jan. 29, 2016 | |||
| Derivative, Forward Exchange Rate | 6.7070 | |||
| Derivative, Maturity Date | May 19, 2016 | |||