Description of Business and Summary of Significant Accounting Policies - Description of Business (Details)	12 Months Ended
	Dec. 31, 2020 INR (₨) revenue_stream	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2020 USD ($)
Accounting Policies [Abstract]
Total revenue, international percentage	73.40%	68.60%	60.40%
Maximum limit per gift card	₨ 10,000			$ 140
Term of virtual gift card	15 months
Term of physical gift card	3 years
Cash held in Trust account | $				$ 30,000,000.0
Subscription contract term	3 years
Subscription contract renewal term	1 year
Number of revenue streams | revenue_stream	2