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Revenue Recognition - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Jun. 30, 2021
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]                
Contract assets $ 27,745 $ 11,400 $ 27,745 $ 11,400 $ 18,600 $ 3,327 $ 3,000 $ 2,800
Performance obligation satisfied in previous period 20,900 8,400 $ 24,400 $ 8,600        
Contract assets billed during period $ 11,800 $ 100