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

Business Acquisition - Summary of Identifiable Assets Acquired and Liabilities Assumed in Connection with Acquisition (Parenthetical) (Details)

v3.20.1
Business Acquisition - Summary of Identifiable Assets Acquired and Liabilities Assumed in Connection with Acquisition (Parenthetical) (Details) - shares
12 Months Ended
Aug. 06, 2019
Dec. 31, 2019
Huanqiuyimeng    
Business Acquisition [Line Items]    
Purchase consideration in ordinary shares 9,360,000 9,360,000