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Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Statement Of Income And Comprehensive Income [Abstract]        
Net income $ (1,196) $ (250) $ 483 $ 6,420
Other comprehensive income (loss), net of tax:        
Foreign currency translation (loss) gain (250) 1,365 95 271
Comprehensive income $ (1,446) $ 1,115 $ 578 $ 6,691