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Component: (Network and Table)
Network
2419405 - Disclosure - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details)
(http://www.alarm.com/role/IncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001459200 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Income Tax Disclosure [Abstract]
 
 
 
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
 
 
 
Beginning balance
506,000  
208,000  
0  
Additions based on tax positions of the current year
197,000  
152,000  
69,000  
Additions based on tax positions of prior year
79,000  
146,000  
139,000  
Decreases related to settlements of prior year tax positions
(101,000) 
0  
0  
Ending balance
681,000  
 
506,000  
 
208,000