Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2019

Changes in Carrying Value of Goodwill

The following table represents the change in the carrying value of goodwill for the six months ended June 30, 2019 (amounts in thousands):

Balance as of December 31, 2018	$	326,735
Cumulative translation adjustment		(106	)
Acquisition of C Technologies, Inc.		142,881
Balance as of June 30, 2019	$	469,510

Intangible assets

Intangible assets, net consisted of the following at June 30, 2019:

	June 30, 2019
	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Weighted Average Useful Life (in years)
	(Amounts in thousands)
Finite-lived intangible assets:
Technology - developed	$	82,202	$	(7,476	)	$	74,726		19
Patents		240		(240	)		—		8
Customer relationships		160,931		(20,382	)		140,549		15
Trademarks		3,730		(222	)		3,508		20
Other intangibles		1,720		(722	)		998		3
Total finite-lived intangible assets		248,823		(29,042	)		219,781		16
Indefinite-lived intangible asset:
Trademarks		700		—			700		—
Total intangible assets	$	249,523	$	(29,042	)	$	220,481

Intangible assets consisted of the following at December 31, 2018:

	December 31, 2018
	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Weighted Average Useful Life (in years)
	(Amounts in thousands)
Finite-lived intangible assets:
Technology - developed	$	53,315	$	(5,942	)	$	47,373		19
Patents		240		(240	)		—		8
Customer relationships		101,460		(16,609	)		84,851		14
Trademarks		2,160		(159	)		2,001		20
Other intangibles		1,061		(548	)		513		3
Total finite-lived intangible assets		158,236		(23,498	)		134,738		16
Indefinite-lived intangible asset:
Trademarks		700		—			700		—
Total intangible assets	$	158,936	$	(23,498	)	$	135,438

The increase in intangible assets during 2019 is related to the acquisition of C Technologies on May 31, 2019. See Note 3, “Acquisition of C Technologies, Inc.” for more information.

Amortization expense for finite-lived intangible assets was $3.1 million and $2.6 million for the three months ended June 30, 2019 and 2018, respectively. Amortization expense for finite-lived intangible assets was $5.7 million and $5.3 million for the six months ended June 30, 2019 and 2018, respectively. As of June 30, 2019, the Company expects to record the following amortization expense (amounts in thousands):

	Estimated
	Amortization
Three Months Ended June 30,	Expense
2019 (remaining six months)	$	8,306
2020		15,167
2021		14,656
2022		14,654
2023		14,654
2024 and thereafter		152,344
Total	$	219,781

Schedule of Amortization Expense for Amortized Intangible Assets

As of June 30, 2019, the Company expects to record the following amortization expense (amounts in thousands):

	Estimated
	Amortization
Three Months Ended June 30,	Expense
2019 (remaining six months)	$	8,306
2020		15,167
2021		14,656
2022		14,654
2023		14,654
2024 and thereafter		152,344
Total	$	219,781