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SIGNIFICANT ACCOUNTING POLICIES (Schedule of Disaggregation Of Revenue By Operating Segments) (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2018 CNY (¥) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2016 CNY (¥)
Revenues | ¥ 531,508 | $ 77,305 | ¥ 443,924 | ¥ 412,016
Others [Member] |  |  |  |
Revenues | 6,374 |  | 11,170 |
BetterSchool [Member] |  |  |  |
Revenues | 324,610 |  | 287,804 | 270,577
BetterSchool [Member] | Tutoring [Member] |  |  |  |
Revenues | 46,820 |  | 55,371 | 47,985
BetterSchool [Member] | K12 Schools [Member] |  |  |  |
Revenues | 277,790 |  | 232,433 | 222,592
BetterJob [Member] | Career Enhancement [Member] |  |  |  |
Revenues | ¥ 200,524 |  | ¥ 144,950 | ¥ 141,439

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 + Details
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