Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amounts of goodwill, by operating segment, for the years ended December 31, 2021 and 2020 were as follows: 

	(In thousands)
	Electronic Systems		Structural Systems		Consolidated Ducommun
Gross goodwill	$	199,157	$	53,395	$	252,552
Accumulated goodwill impairment	(81,722)		—		(81,722)
Balance at December 31, 2020	117,435		53,395		170,830
Goodwill from acquisition during period	—		32,864		32,864
Balance at December 31, 2021	$	117,435	$	86,259	$	203,694

Schedule of Other Intangible Assets

Intangible assets are as follows:

		(In thousands)
		December 31, 2021						December 31, 2020
	Wtd. Avg Life (Yrs)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived assets
Customer relationships	17	$	246,300	$	114,169	$	132,131	$	221,500	$	101,535	$	119,965
Trade names and trademarks	14	5,500		1,263		4,237		5,500		857		4,643
Contract renewal	14	1,845		1,845		—		1,845		1,845		—
Technology	15	400		291		109		400		264		136
Backlog	2	600		13		587		—		—		—
Total finite-lived assets		254,645		117,581		137,064		229,245		104,501		124,744
Indefinite-lived assets
Trade names and trademarks		4,700		—		4,700		—		—		—
Total		$	259,345	$	117,581	$	141,764	$	229,245	$	104,501	$	124,744

The carrying amount of other intangible assets by operating segment as of December 31, 2021 and 2020 was as follows:

	(In thousands)
	December 31, 2021						December 31, 2020
	Gross		Accumulated Amortization		Net Carrying Value		Gross		Accumulated Amortization		Net Carrying Value
Other intangible assets
Electronic Systems	$	164,545	$	90,191	$	74,354	$	164,545	$	80,903	$	83,642
Structural Systems	94,800		27,390		67,410		64,700		23,598		41,102
Total	$	259,345	$	117,581	$	141,764	$	229,245	$	104,501	$	124,744

Schedule of Future Amortization Expense

Future amortization expense by operating segment is expected to be as follows:

	(In thousands)
	Electronic Systems		Structural Systems		Consolidated Ducommun
2022	$	9,288	$	5,276	$	14,564
2023	9,288		5,196		14,484
2024	9,288		4,673		13,961
2025	9,288		4,673		13,961
2026	9,288		4,649		13,937
Thereafter	27,914		38,243		66,157
	$	74,354	$	62,710	$	137,064