Summary of Significant Accounting Policies - Property and Equipment, Net (Details)	12 Months Ended
	Dec. 31, 2022
Equipment for merchants
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	2 years
Computer equipment and software
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	2 years
Office equipment
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	5 years
Capitalized software and website development costs
Property, Plant and Equipment [Line Items]
Useful life of property and equipment	2 years