Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets

Intangible assets are summarized as follows (see Note 8) (amounts in thousands):

	As of June 30, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Amortizing intangible assets:
Technology	$	28,005	$	(13,468	)	$	14,537	5.3 years
Customer relationships	16,008		(5,455		)	10,553		7.9 years
Trade names	1,287		(1,074		)	213		2.8 years
Non-compete agreements	1,446		(800		)	646		2.3 years
Patents	3,440		(668		)	2,772		9.7 years
Other	312		(271		)	41		3.0 years
Total	$	50,498	$	(21,736	)	$	28,762

	As of December 31, 2014
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Amortizing intangible assets:
Technology	$	27,844	$	(11,303	)	$	16,541	5.3 years
Customer relationships	16,008		(4,055		)	11,953		7.9 years
Trade names	1,287		(817		)	470		2.8 years
Non-compete agreements	1,446		(625		)	821		2.3 years
Patents	3,290		(500		)	2,790		9.9 years
Other	312		(267		)	45		3.0 years
Total	$	50,187	$	(17,567	)	$	32,620

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
2015	$	3,961
2016	6,755
2017	4,934
2018	2,815
2019	2,809
Thereafter	7,488
Total	$	28,762