Debt, Commitments and Contingencies - Legal Proceedings (Details) $ in Thousands						1 Months Ended	3 Months Ended
	Apr. 25, 2017 claim	Mar. 08, 2017	Feb. 22, 2017 business_unit	Feb. 09, 2016 USD ($) service_provider	Jun. 02, 2015 patent claim element	Sep. 30, 2015 patent	Mar. 31, 2017 service_provider
Loss Contingencies [Line Items]
Number of service providers sued | service_provider							6,000
Pending Litigation
Loss Contingencies [Line Items]
Number of service providers sued | service_provider				1
Compensatory damages sought | $				$ 7,000
Punitive damages sought | $				$ 350
Number of patents instituted in suit						1
Number of patents appealed						1
Pending Litigation | Vivint, Inc. vs. Alarm.com Holdings, Inc
Loss Contingencies [Line Items]
Number of patents allegedly infringed upon by the company					6
Pending application for inter partes review | claim					1
Number of elements of a solution in a patent, potentially infringed (or more) | element					1
Number of patents allegedly infringed by elements in solution					1
Connect And Piper
Loss Contingencies [Line Items]
Number of business units | business_unit			2
Period of stay		60 days
Subsequent Event | Pending Litigation | Alarm.com and ICN Acquisition, LLC vs. Protect America,Inc. and SecureNet Technologies, LLC
Loss Contingencies [Line Items]
Number of company's patents allegedly infringed | claim	1