Organization and Principal Activities - Product Information - Additional Information (Details)	12 Months Ended
	Dec. 31, 2021
Minimum | Installment Purchase Loans
Product information
Term of the loan	1 month
Minimum | Personal Installment Loans
Product information
Term of the loan	1 month
Maximum | Installment Purchase Loans
Product information
Term of the loan	36 months
Maximum | Personal Installment Loans
Product information
Term of the loan	36 months