Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets

	As of December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Amount
Other intangible assets:
Customer lists / relationships	$	51,804	$	(27,101	)	$	24,703
Patents	10,319		(10,319		)	—
Technology and other intangibles	12,871		(5,016		)	7,855
In process research and development	2,200		—			2,200
Other intangible assets, net	$	77,194	$	(42,436	)	$	34,758
Amortization expense for the year ended December 31, 2015			$	4,035
Amortization expense for the year ended December 31, 2014			$	4,190

Other intangible assets consist of the following:

	As of December 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Amount		Weighted Average Remaining Amortization Period (in years)
Other intangible assets:
Customer lists / relationships	$	63,386	$	(30,318	)	$	33,068	11.6
Patents	10,319		(10,319		)	—		—
Technology and other intangibles	36,715		(7,613		)	29,102		11.0
In process research and development	2,200		—			2,200		—
Other intangible assets, net	$	112,620	$	(48,250	)	$	64,370	11.4
Amortization expense for the year ended December 31, 2016			$	5,815

Summary of Amortization Expense

Amortization expense remaining for other intangible assets is as follows:

	Amortization expense
2017	$	6,064
2018	5,956
2019	5,947
2020	5,947
2021	5,868
Thereafter	34,588
Total future amortization expense	$	64,370

Summary of Reconciliation of Goodwill

Changes in the net carrying value amount of goodwill were as follows:

	Total
Goodwill as of December 31, 2014	$	32,047
Increase from acquisitions	1,818
Goodwill as of December 31, 2015	33,865
Increase from acquisition	27,879
Goodwill as of December 31, 2016	$	61,744