Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets

Schedule of intangible assets

Intangible assets consisted of the following as of December 31, 2019 and 2018:

	Gross Carrying		Accumulated		Net Carrying
December 31, 2019	Amount		Amortization		Amount
Technology	$	83,368	$	(14,250)	$	69,118
Customer relationships		108,995		(18,197)		90,798
Trademarks and other		26,888		(2,793)		24,095
Total	$	219,251	$	(35,240)	$	184,011

	Gross Carrying		Accumulated		Net Carrying
December 31, 2018	Amount		Amortization		Amount
Technology	$	39,879	$	(7,927)	$	31,952
Customer relationships		35,509		(13,484)		22,025
Trademarks and other		2,501		(1,568)		933
Total	$	77,889	$	(22,979)	$	54,910

Schedule of amortization expense related to intangible assets

Amortization expense related to intangible assets is as follows:

	Years Ended December 31,
	2019		2018		2017
Amortization expense	$	12,168	$	5,774	$	4,350

Schedule of estimated amortization expense related to intangible assets

Estimated amortization expense related to intangibles is as follows:

Year Ending December 31,
2020	$	20,109
2021		20,009
2022		19,745
2023		19,727
2024		16,888
Thereafter		87,533
Total	$	184,011