Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amounts of goodwill, by operating segment, for the years ended December 31, 2019 and 2018 were as follows:

	(In thousands)
	Electronic Systems			Structural Systems		Consolidated Ducommun
Gross goodwill	$	199,157		$	18,622	$	217,779
Accumulated goodwill impairment	(81,722		)	—		(81,722		)
Balance at December 31, 2018	117,435			18,622		136,057
Goodwill from acquisition during the period	—			34,860		34,860
Balance at December 31, 2019	$	117,435		$	53,482	$	170,917

Other Intangible Assets

Intangible assets are as follows:

		(In thousands)
		December 31, 2019						December 31, 2018
	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	$	221,900	$	88,838	$	133,062	$	187,200	$	77,824	$	109,376
Trade names and trademarks	14	5,500		450		5,050		2,500		193		2,307
Contract renewal	14	1,845		1,757		88		1,845		1,625		220
Technology	15	400		238		162		400		211		189
Total		$	229,645	$	91,283	$	138,362	$	191,945	$	79,853	$	112,092

The carrying amount of other intangible assets by operating segment as of December 31, 2019 and 2018 was as follows:

	(In thousands)
	December 31, 2019						December 31, 2018
	Gross		Accumulated Amortization		Net Carrying Value		Gross		Accumulated Amortization		Net Carrying Value
Other intangible assets
Electronic Systems	$	164,545	$	71,527	$	93,018	$	164,545	$	62,108	$	102,437
Structural Systems	65,100		19,756		45,344		27,400		17,745		9,655
Total	$	229,645	$	91,283	$	138,362	$	191,945	$	79,853	$	112,092

Summary of Future Amortization Expense

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

	(In thousands)
	Electronic Systems		Structural Systems		Consolidated Ducommun
2020	$	9,348	$	3,719	$	13,067
2021	9,287		3,614		12,901
2022	9,288		3,553		12,841
2023	9,287		3,495		12,782
2024	9,288		3,260		12,548
Thereafter	46,520		27,703		74,223
	$	93,018	$	45,344	$	138,362