Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Intangible Assets and Goodwill

The changes in intangible assets and goodwill from December 31, 2018 to December 31, 2020, were as follows:

(in thousands, except for years)	Amortization life in years	Balance at December 31, 2019		Other Changes		Amortization		Currency Translation		Balance at December 31, 2020
Amortized intangible assets:
AEC Trademarks and trade names	6-15	$	73	$	—	$	(16)	$	—	$	57
AEC Technology	10-15	5,804		—		(670)		610		5,744
AEC Intellectual property	15	1,243		—		(83)		—		1,160
AEC Customer contracts	6	6,544		—		(2,912)		—		3,632
AEC Customer relationships	8-15	39,147		329		(3,513)		297		36,260
AEC Other intangibles	5	81		—		(65)		—		16
Total amortized intangible assets		$	52,892	$	329	$	(7,259)	$	907	$	46,869
Unamortized intangible assets:
MC Goodwill		$	67,672	$	—	$	—	$	4,618	$	72,290
AEC Goodwill		113,262		335		—		1,666		115,263
Total unamortized intangible assets		$	180,934	$	335	$	—	$	6,284	$	187,553

(in thousands, except for years)	Amortization life in years	Balance at December 31, 2018		Acquisition		Amortization		Currency Translation		Balance at December 31, 2019
Amortized intangible assets:
AEC Trademarks and trade names	6-15	$	11	$	68	$	(6)	$	—	$	73
AEC Technology	10-15	56		5,821		(73)		—		5,804
AEC Intellectual property	15	—		1,250		(7)		—		1,243
AEC Customer contracts	6	9,456		—		(2,912)		—		6,544
AEC Customer relationships	8-15	39,538		2,834		(3,247)		22		39,147
AEC Other intangibles	5	145		—		(64)		—		81
Total amortized intangible assets		$	49,206	$	9,973	$	(6,309)	$	22	$	52,892
Unamortized intangible assets:
MC Goodwill		$	68,652	$	—	$	—	$	(980)	$	67,672
AEC Goodwill		95,730		17,343		—		189		113,262
Total unamortized intangible assets		$	164,382	$	17,343	$	—	$	(791)	$	180,934

Schedule of Estimated Amortization Expense

Estimated amortization expense of intangibles for the years ending December 31, 2021 through 2025, is as follows:

Year	Annual amortization (in thousands)
2021	$	7,200
2022	5,000
2023	4,200
2024	4,200
2025	4,200