RELATED PARTY TRANSACTIONS (Narrative) (Details) - CNY (¥) ¥ in Thousands |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Related Party Transaction [Line Items] | ||||
| Due to Related Parties, Current | ¥ 79 | |||
| Chuanbang [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Receivable Collection Services, Fee Description | 2%~12% of the amount collected | |||
| Due to Related Parties, Current | ¥ 231 | 79 | ||
| Balance Payable To Related Parties | 216 | 526 | ||
| Precise [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Proceeds from Related Party Debt | ¥ 1,432 | |||
| Historical Student Loans [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Balance Receivable from Related Parties | 447 | 447 | ||
| Service Fee [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Related Party Transaction, Amounts of Transaction | ¥ 3,230 | ¥ 6,445 | ¥ 2,053 | |