Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

(7) Goodwill and Intangible Assets

Goodwill was $91.4 million and $48.4 million as of December 31, 2019 and 2018, respectively. There were no impairments recorded against goodwill in 2019, 2018 or 2017. The following table displays the changes in the gross carrying amount of goodwill (in thousands):

Balance at December 31, 2017	$	31,328
Change due to acquisitions		19,699
Foreign currency translation		(2,645	)
Balance at December 31, 2018		48,382
Change due to acquisitions		43,302
Foreign currency translation		(263	)
Balance at December 31, 2019	$	91,421

Intangible assets consisted of the following (in thousands):

					As of December 31, 2019
	Gross carrying amount		Weighted- average life (years)		Accumulated amortization			Net carrying amount
Amortizable intangible assets:
Developed technology	$	9,485		3.00	$	(4,232	)	$	5,253
Tradenames		11,437		3.50		(2,724	)		8,713
Customer relationships		63,667		6.84		(10,533	)		53,134
Total intangible assets	$	84,589			$	(17,489	)	$	67,100

				As of December 31, 2018
	Gross carrying amount		Weighted- average life (years)	Accumulated amortization			Net carrying amount
Amortizable intangible assets:
Developed technology	$	5,090	3.04	$	(3,225	)	$	1,865
Tradenames		3,193	4.51		(1,526	)		1,667
Non-compete		240	2.00		(230	)		10
Customer relationships		26,990	6.39		(7,335	)		19,655
Total intangible assets	$	35,513		$	(12,316	)	$	23,197

Amortization expense for intangible assets was $10.4 million, $5.9 million and $3.3 million for the years ended December 31, 2019, 2018 and 2017, respectively. Amortization expense of tradenames and customer relationships is included within general and administrative expenses, while amortization of developed technology is included in cost of revenue. The Company recorded amortization expense attributed to developed technology of $2.1 million, $1.3 million and $1.1 million for the period ended December 31, 2019, 2018 and 2017, respectively. During the year ended December 31, 2019, the Company retired $5.3 million of fully amortized intangible assets.

The expected amortization of the intangible assets, as of December 31, 2019, for each of the next five years and thereafter is as follows (in thousands):

2020	$	14,893
2021		14,510
2022		11,290
2023		8,469
2024		8,366
Thereafter		9,572
	$	67,100