Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of other intangible assets

Intangible assets consist of the following components:

	As of
	March 31, 2019
	Gross Carrying Amount		Accumulated Amortization			Net Amount
Customer lists/relationships	$	64,323	$	(37,936	)	$	26,387
Technology and other intangibles	44,460		(14,553		)	29,907
In process research and development	2,200		—			2,200
Other intangible assets, net	$	110,983	$	(52,489	)	$	58,494
Amortization expense for the three months ended March 31, 2019			$	1,690

	As of
	December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Amount
Customer lists/relationships	$	64,323	$	(37,088	)	$	27,235
Technology and other intangibles	44,460		(13,715		)	30,745
In process research and development	2,200		—			2,200
Other intangible assets, net	$	110,983	$	(50,803	)	$	60,180
Amortization expense for the three months ended March 31, 2018			$	1,720

Summary of amortization expense remaining for other intangible assets

mortization expense for other intangible assets as of March 31, 2019 is as follows: 

	Amortization expense
2019	$	5,066
2020	6,624
2021	6,467
2022	6,230
2023	4,224
Thereafter	29,883
Total amortization expense	$	58,494