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Revenue - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Revenue from Contract with Customer [Abstract]        
Amortization of deferred subscriber acquisition revenue $ 30,000 $ 26,000 $ 59,017 $ 50,472