Goodwill and Other Intangible Assets (Tables)

3 Months Ended

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

We are continuing to amortize certain patents, trade names, customer relationships, customer contracts and technology assets that have finite lives. The gross carrying value, accumulated amortization and net values of intangible assets and goodwill as of September 30, 2020 and December 31, 2019, were as follows:


As of September 30, 2020	Weighted average amortization life in years	Gross carrying amount		Accumulated amortization		Net carrying amount
(in thousands)
Amortized intangible assets:
AEC Trademarks and trade names	6-15	$	208	$	(148)	$	60
AEC Technology	10-15	6,522		(871)		5,651
AEC Intellectual property	15	1,250		(68)		1,182
AEC Customer contracts	6	17,471		(13,110)		4,361
AEC Customer relationships	8-15	51,763		(14,768)		36,995
AEC Other intangibles	5	322		(290)		32
Total amortized intangible assets		$	77,536	$	(29,255)	$	48,281

Unamortized intangible assets:
MC Goodwill		$	69,884	$	—	$	69,884
AEC Goodwill		114,403		—		114,403
Total unamortized intangible assets:		$	184,287	$	—	$	184,287


As of December 31, 2019	Weighted average amortization life in years	Gross carrying amount		Accumulated amortization		Net carrying amount
(in thousands)

Amortized intangible assets:
AEC Trademarks and trade names	6-15	$	208	$	(135)	$	73
AEC Technology	10-15	6,191		(387)		5,804
AEC Intellectual property	15	1,250		(7)		1,243
AEC Customer contracts	6	17,471		(10,927)		6,544
AEC Customer relationships	8-15	51,255		(12,108)		39,147
AEC Other intangibles	5	322		(241)		81
Total amortized intangible assets		$	76,697	$	(23,805)	$	52,892

Unamortized intangible assets:
MC Goodwill		$	67,672	$	—	$	67,672
AEC Goodwill		113,262		—		113,262
Total unamortized intangible assets:		$	180,934	$	—	$	180,934

The changes in intangible assets, net and goodwill from December 31, 2019 to September 30, 2020, were as follows:


(in thousands)	December 31, 2019		Other Changes		Amortization		Currency Translation		September 30, 2020

Amortized intangible assets:
AEC Trademarks and trade names	$	73	$	—	$	(13)	$	—	$	60
AEC Technology	5,804		—		(480)		327		5,651
AEC Intellectual property	1,243		—		(61)		—		1,182
AEC Customer contracts	6,544		—		(2,183)		—		4,361
AEC Customer relationships	39,147		329		(2,626)		145		36,995
AEC Other intangibles	81		—		(49)		—		32
Total amortized intangible assets	$	52,892	$	329	$	(5,412)	$	472	$	48,281

Unamortized intangible assets:
MC Goodwill	$	67,672	$	—	$	—	$	2,212	$	69,884
AEC Goodwill	113,262		335		—		806		114,403
Total unamortized intangible assets:	$	180,934	$	335	$	—	$	3,018	$	184,287

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated amortization expense of intangibles for the years ending December 31, 2020 through 2024, is as follows:


Year	Annual amortization (in thousands)
2020	$	7,200
2021	7,100
2022	4,900
2023	4,200
2024	4,200