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v3.21.2

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

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