Other Intangible Assets

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangible Assets

Other Intangible Assets

Intangible assets consist of the following components:

	As of
	September 30, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Amount
Customer lists/relationships	$	64,323	$	(32,833	)	$	31,490
Patents	10,319		(10,319		)	—
Technology and other intangibles	44,460		(9,498		)	34,962
In process research and development	2,200		—			2,200
Other intangible assets, net	$	121,302	$	(52,650	)	$	68,652
Amortization expense for the three months ended September 30, 2017			$	1,711
Amortization expense for the nine months ended September 30, 2017			$	4,860

	As of
	December 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Amount
Customer lists/relationships	$	63,386	$	(30,318	)	$	33,068
Patents	10,319		(10,319		)	—
Technology and other intangibles	36,715		(7,613		)	29,102
In process research and development	2,200		—			2,200
Other intangible assets, net	$	112,620	$	(48,250	)	$	64,370
Amortization expense for the three months ended September 30, 2016			$	1,638
Amortization expense for the nine months ended September 30, 2016			$	4,254

Amortization expense remaining for other intangible assets is as follows: 

	Amortization expense
2017	$	1,708
2018	6,763
2019	6,754
2020	6,624
2021	6,467
Thereafter	40,336
Total amortization expense	$	68,652