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PRC CONTRIBUTION AND PROFIT APPROPRIATION (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
China |  |  |
PRC Contribution and Profit Appropriation |  |  |
After-tax profits to general reserve (as a percent) | 10.00% |  |
Minimum respective registered capital (as a percent) | 50.00% |  |
Appropriation to statutory reserve required for education development reserve (as a percent of after tax profit) | 25.00% |  |
China | Minimum |  |  |
PRC Contribution and Profit Appropriation |  |  |
Appropriation to statutory surplus reserve (as percent of after tax profit) | 5.00% |  |
China | Maximum |  |  |
PRC Contribution and Profit Appropriation |  |  |
Appropriation to statutory surplus reserve (as percent of after tax profit) | 10.00% |  |
Foreign Plan |  |  |
PRC Contribution and Profit Appropriation |  |  |
Employer contributions | ¥ 29,910 | ¥ 44,456 | ¥ 37,594

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- Definition Represents the percentage of after tax profit required to be appropriated to the education development reserve under PRC GAAP. + References No definition available. + Details
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- Definition Represents the percentage of after tax profit required to be appropriated to the general reserve under PRC GAAP. + References No definition available. + Details
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- Definition Represents the percentage of after tax profit required to be appropriated to the statutory surplus reserve under PRC GAAP. + References No definition available. + Details
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