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Capitalized Software Development Costs - Summary of Capitalized Software Development Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Capitalized Computer Software Net [Line Items]    
Net carrying amount $ 16,329 $ 14,287
Capitalized Software Development Costs    
Capitalized Computer Software Net [Line Items]    
Gross carrying amount $ 59,761 $ 49,909
Amortization period 3 years 3 years
Accumulated amortization $ (43,432) $ (35,622)
Net carrying amount $ 16,329 $ 14,287