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Accounts Receivable - Summary of Allowance for Doubtful Accounts Activity (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accounts Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period $ 3,364 $ 1,331 $ 605
Less: reduction in (provision for) allowances 1,296 (2,532) (860)
Less: write offs, net of recoveries 375 501 123
Change in foreign currency translation (3) (2) 11
Balance at end of period $ 1,696 $ 3,364 $ 1,331