TAXATION - Reconciliation (Details)	1 Months Ended	12 Months Ended
Dec. 22, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
TAXATION
PRC statutory EIT rate	34.00%	25.00%	25.00%	25.00%
Effect of different tax rates in other jurisdictions		1.00%	2.00%	(2.00%)
Effect of future tax rate change		2.00%	1.00%	(22.00%)
Change of prior year deferred tax assets		(15.00%)	(11.00%)	(8.00%)
Change of valuation allowance		(18.00%)	(2.00%)	61.00%
Income not subject to tax and non-deductible expenses, net		0.00%	0.00%	(1.00%)
Effect of expired net operating loss		5.00%	(15.00%)	(53.00%)
Effective EIT rate		0.00%	0.00%	0.00%

Effective Income Tax Rate Reconciliation, Change In Deferred Taxes

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Effective Income Tax Rate Reconciliation Non Utilized Operating Losses

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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