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Revenue Recognition and Contract Costs - Deferred Contract Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Capitalized Contract Cost [Line Items]      
Unamortized deferred contract costs $ 8,700 $ 10,300  
Unamortized deferred contract costs, current 4,564 4,855  
Unamortized deferred contract costs, noncurrent 4,178 5,414  
Amortization of deferred contract costs 5,030 3,648 $ 2,266
Prepaid Expenses and Other Current Assets      
Capitalized Contract Cost [Line Items]      
Unamortized deferred contract costs, current $ 4,500 $ 4,900