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PREPAID AND OTHER CURRENT ASSETS, NET (Summary of Receivable Transferred and Consideration Allocated Based on Management's Estimation on Recoverability) (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2012
Consideration allocated
Payable to Zhenjiang Foreign Language School	¥ 36,770	¥ 36,770
Allowance for Doubtful Accounts Receivable, Write-offs	2,587	¥ 150,886	¥ 46,829
Xihua Group [Member]
Consideration allocated
Proceeds from Collection of Other Receivables	¥ 20,000

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for management contract rights. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of cash inflow from the collection of receivables classified as other.

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