Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Intangible assets

Intangible assets consisted of the following at March 31, 2018 (in thousands):

	Gross Carrying Amount		Accumulated Amortization			Weighted Average Useful Life (in years)
Technology – developed	$	51,860	$	(3,898	)		19
Patents		240		(240	)		8
Customer relationships		102,210		(11,446	)		14
Trademark – definite lived		2,160		(75	)		20
Trademark – indefinite lived		700		—			—
Other intangibles		1,066		(304	)		3
Total intangible assets	$	158,236	$	(15,963	)		16

Intangible assets consisted of the following at December 31, 2017 (in thousands):

	Gross Carrying Amount		Accumulated Amortization			Weighted Average Useful Life (in years)
Technology – developed	$	51,801	$	(3,201	)		19
Patents		240		(238	)		8
Customer relationships		102,120		(9,636	)		14
Trademarks – definite lived		2,160		(47	)		20
Trademarks – indefinite lived		700		—			—
Other intangibles		1,063		(209	)		3
Total intangible assets	$	158,084	$	(13,331	)		16

Schedule of Amortization Expense for Amortized Intangible Assets

As of March 31, 2018, the Company expects to record amortization expense as follows (in thousands):

Years Ending	Amortization Expense
December 31, 2018 (nine months remaining)	$	7,978
December 31, 2019		10,513
December 31, 2020		9,910
December 31, 2021		9,395
December 31, 2022		9,395