Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in goodwill by reportable segment are outlined below (in thousands):

	Alarm.com		Other		Total
Balance as of January 1, 2016	$	24,723	$	—	$	24,723
Goodwill acquired	—		—		—
Balance as of December 31, 2016	24,723		—		24,723
Goodwill acquired	38,868		—		38,868
Balance as of December 31, 2017	$	63,591	$	—	$	63,591

Schedule of Intangible Assets

The following tables reflect the weighted-average remaining life and carrying value of finite-lived intangible assets (in thousands):

	December 31, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Value		Weighted- Average Remaining Life
Customer relationships	$	103,926	$	(15,400	)	$	88,526	10.8
Developed technology	13,959		(8,427		)	5,532		2.1
Trade name	1,084		(856		)	228		3.3
Other	234		(234		)	—		0.0
Total intangible assets	$	119,203	$	(24,917	)	$	94,286

	December 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Value		Weighted- Average Remaining Life
Customer relationships	$	10,666	$	(7,303	)	$	3,363	3.8
Developed technology	5,390		(4,342		)	1,048		4.1
Trade name	914		(757		)	157		4.3
Other	234		(234		)	—		0.0
Total intangible assets	$	17,204	$	(12,636	)	$	4,568

The following table reflects changes in the net carrying amount of the components of intangible assets (in thousands):

	Customer Relationships			Developed Technology			Trade Name			Other			Total
Balance as of January 1, 2016	$	4,449		$	1,486		$	273		$	110		$	6,318
Amortization	(1,086		)	(438		)	(116		)	(110		)	(1,750		)
Balance as of December 31, 2016	3,363			1,048			157			—			4,568
Intangible assets acquired	93,260			8,570			170			—			102,000
Amortization	(8,097		)	(4,086		)	(99		)	—			(12,282		)
Balance as of December 31, 2017	$	88,526		$	5,532		$	228		$	—		$	94,286

Schedule of Future Estimated Amortization Expense

The following table reflects the future estimated amortization expense for intangible assets (in thousands):

Year Ended December 31,	Amortization
2018	$	15,219
2019	13,644
2020	12,217
2021	11,062
2022 and thereafter	42,144
Total future amortization expense	$	94,286