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Significant Service Provider Partners	12 Months Ended
Significant Service Provider Partners	Dec. 31, 2018
Risks and Uncertainties [Abstract]
Significant Service Provider Partners	Significant Service Providers During the years ended December 31, 2018, 2017 and 2016, our 10 largest revenue service provider partners accounted for 57%, 60% and 60% of our consolidated revenue. One of our service provider partners within the Alarm.com segment individually represented greater than 15% but not more than 20% of our revenue for the years ended December 31, 2018 and 2017. Another one of our service provider partners in the Alarm.com segment individually represented greater than 10% but not more than 15% of our revenue for the years ended December 31, 2017 and 2016. One individual service provider partner in the Alarm.com segment represented more than 10% of accounts receivable as of December 31, 2018 and 2017.