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Summary of Significant Accounting Policies - Customer Concentration (Details) - Accounts Receivable - Customer Concentration Risk
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Customer 1    
Product Information [Line Items]    
Concentration risk, percentage 11.00% 22.00%
Customer 2    
Product Information [Line Items]    
Concentration risk, percentage   13.00%