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Goodwill and Intangible Assets, Net - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization of intangible assets $ 513 $ 529 $ 1,736 $ 1,575
Amortization of capitalized software development costs $ 103 $ 104 306 $ 311
Additions to capitalized software development costs     347  
Acquired software development costs     $ 247