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Revenue - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Disaggregation of Revenue [Line Items]        
Amortization of deferred subscriber acquisition revenue $ 41,000 $ 30,000 $ 77,888 $ 59,017
Revenue 1,304,417 1,331,387 2,609,121 2,701,139
Security and Fire Safety Systems        
Disaggregation of Revenue [Line Items]        
Revenue 178,000 259,000 381,000 553,000
Cost of Revenue $ 147,000 $ 191,000 $ 307,000 $ 403,000