Goodwill and Intangibles

9 Months Ended

Sep. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

The following table sets forth the changes in the carrying amount of goodwill:


	Nine Months Ended September 30,
	2022		2021
Balance, beginning of period	$	38,609	$	41,366
Goodwill arising from business combinations	1,000		—
Adjustment to goodwill during measurement period	—		(2,205)
Goodwill written off related to divestiture	(796)		—
Foreign exchange adjustment	(850)		(456)

Balance, end of period	$	37,963	$	38,705

Intangible assets, subject to amortization, consisted of the following:


	September 30, 2022							December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted- Average Lives	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted- Average Lives
Customer relationships	$	48,119	$	(20,654)	$	27,465	11 years	$	59,729	$	(23,556)	$	36,173	10 years
Technology, trademark and trade name	30,683		(22,672)		8,011		7 years	40,536		(26,269)		14,267		7 years
Production know-how	8,984		(8,590)		394		7 years	10,384		(8,723)		1,661		7 years
Patents	8,036		(7,735)		301		8 years	8,036		(7,459)		577		8 years
Total	$	95,822	$	(59,651)	$	36,171		$	118,685	$	(66,007)	$	52,678

The intangible assets are net of intangible assets disposed of as a result of the telecommunications transmission product lines divestiture during the third quarter of 2022. See Note 3, "Divestitures" for further information.

Amortization expense for the three months ended September 30, 2022 and 2021 was $2,447 and $3,051, respectively. Amortization expense for the nine months ended September 30, 2022 and 2021 was $8,377 and $9,387, respectively. The estimated future amortization expense for intangibles for the remainder of 2022 and subsequent years is as follows:


2022 (a)		2023		2024		2025		2026		Thereafter		Total
$	2,077	$	7,892	$	5,545	$	4,973	$	4,212	$	11,472	$	36,171

(a) For the three-month period beginning October 1, 2022.