Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Income Taxes - Schedule of Difference Between Actual Income Tax Expense and Amount Computed by Applying PRC Statutory Income Tax Rate to Earnings before Income Taxes (Parenthetical) (Details)

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Income Taxes - Schedule of Difference Between Actual Income Tax Expense and Amount Computed by Applying PRC Statutory Income Tax Rate to Earnings before Income Taxes (Parenthetical) (Details)
12 Months Ended
Dec. 31, 2018
ATA Education | Limited Partnership | Muhua Shangce  
Percentage of equity interest sold 24.00%