Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets

Goodwill and Intangible Assets

Note 6—Goodwill and Intangible Assets

The carrying amount of goodwill by reportable segment is as follows (in thousands):

	June 30,		December 31,
Reporting Segment	2020		2019
Power	$	26,194	$	26,194
Pipeline		52,415		52,415
Utilities		37,312		37,312
Transmission		59,032		59,032
Civil		40,150		40,150
Total Goodwill	$	215,103	$	215,103

The table below summarizes the intangible asset categories and amounts, which are amortized on a straight-line basis (in thousands):

	June 30, 2020						December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Intangible assets, net		Gross Carrying Amount		Accumulated Amortization		Intangible assets, net
Tradename	$	16,040		(14,213)		1,827	$	16,040	$	(13,216)	$	2,824
Customer relationships		91,000		(27,901)		63,099		91,000		(24,353)		66,647
Non-compete agreements		1,900		(1,680)		220		1,900		(1,580)		320
Other		275		(275)		—		275		(237)		38
Total	$	109,215	$	(44,069)	$	65,146	$	109,215	$	(39,386)	$	69,829

Amortization expense of intangible assets was $2.3 million and $3.0 million for the three months ended June 30, 2020 and 2019, respectively, and $4.7 million and $5.7 million for the six months ended June 30, 2020 and 2019, respectively. Estimated future amortization expense for intangible assets is as follows (in thousands):

	Estimated
	Intangible
	Amortization
For the Years Ending December 31,	Expense
2020 (remaining six months)	$	4,134
2021		7,577
2022		6,416
2023		5,581
2024		4,862
Thereafter		36,576
	$	65,146