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GOODWILL (Tables) | 12 Months Ended
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Dec. 31, 2018
GOODWILL [Abstract] |
Schedule of changes in the carrying amount of goodwill by segment | The changes in the carrying amount of goodwill by reporting unit for the years ended December 31, 2017 and 2018 were as follows:
|  | Better Schools |  |  | Better Jobs |  |  |  |
|  |  |  |  | K-12 |  |  |  |  |  | Career |  |  |  |
|  | Tutoring |  |  | Schools |  |  | Subtotal |  |  | Enhancement |  |  | Consolidated |
|  | RMB |  |  | RMB |  |  | RMB |  |  | RMB |  |  | RMB |
Balance as of December 31, 2017 |  |  | 7,772 |  |  |  | 25,710 |  |  |  | 33,482 |  |  |  | 39,684 |  |  |  | 73,166 |
Balance as of December 31, 2018 |  |  | 7,772 |  |  |  | 25,710 |  |  |  | 33,482 |  |  |  | 39,684 |  |  |  | 73,166 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 + Details
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