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

Loan Receivable - Additional Information (Details)

v3.20.1
Loan Receivable - Additional Information (Details)
¥ in Millions, $ in Millions
12 Months Ended
Mar. 26, 2018
USD ($)
Dec. 31, 2019
CNY (¥)
Aug. 31, 2018
CNY (¥)
Loans And Leases Receivable Disclosure [Line Items]      
Loan agreement due date description   The loan receivable became overdue on April 6, 2019. On April 30, 2019, the due dates of loan receivable and other receivables due from Beijing Biztour were extended to September 30, 2019. The controlling shareholder of Beijing Biztour made a personal guarantee and agreed with certain real estate property mortgage. The loan receivable and other receivables due from Beijing Biztour became overdue again since October 1, 2019.  
Beijing Biztour      
Loans And Leases Receivable Disclosure [Line Items]      
Term of loan (in years)   1 year  
Loan receivable $ 2   ¥ 7.5
Fixed annual interest 8.00%    
Provision for loan receivable   ¥ 17.4