Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the nine months endedSeptember 30, 2018 are as follows (amounts in thousands):

	Business			Consumer		Consolidated
Balance as of December 31, 2017	$	72,507		$	8,024	$	80,531
Adjustments to goodwill:
Acquisitions	5,010			—		5,010
Foreign exchange adjustment	(74		)	—		(74		)
Balance as of September 30, 2018	$	77,443		$	8,024	$	85,467

Summary of Intangible Assets

Intangible assets are summarized as follows (amounts in thousands):

	As of September 30, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Amortizing intangible assets:
Technology	$	30,640	$	(23,221	)	$	7,419	5.3 years
Customer relationships	15,971		(11,436		)	4,535		8.0 years
Trade names	1,287		(1,287		)	—		2.1 years
Non-compete agreements	1,437		(1,437		)	—		2.3 years
Patents	1,867		(599		)	1,268		13.4 years
Other	262		(235		)	27		2.7 years
Total	$	51,464	$	(38,215	)	$	13,249

	As of December 31, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Amortizing intangible assets:
Technology	$	27,882	$	(22,197	)	$	5,685	5.3 years
Customer relationships	15,978		(10,457		)	5,521		8.0 years
Trade names	1,289		(1,283		)	6		2.1 years
Non-compete agreements	1,439		(1,439		)	—		2.3 years
Patents	1,620		(493		)	1,127		13.1 years
Other	262		(235		)	27		2.7 years
Total	$	48,470	$	(36,104	)	$	12,366

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated amortization expense for the next five years is as follows (amounts in thousands):  

	Estimated Amortization Expense
Remaining 2018	$	792
2019	2,963
2020	2,775
2021	2,565
2022	2,216
Thereafter	1,938
Total	$	13,249