Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

7. Goodwill and Intangible Assets

Goodwill and intangible assets with indefinite lives were $154.8 million as of each of September 30, 2023 and December 31, 2022. Intangible assets that are subject to amortization, including the related accumulated amortization, are comprised of the following:

	September 30, 2023							December 31, 2022
	Cost		Accumulated amortization			Net carrying amount		Cost		Accumulated amortization			Net carrying amount
	(In thousands)
Customer relationships	$	129,460	$	(46,183	)	$	83,277	$	129,991	$	(34,310	)	$	95,681
Technology and other intangibles		11,430		(10,020	)		1,410		11,430		(9,046	)		2,384
Total	$	140,890	$	(56,203	)	$	84,687	$	141,421	$	(43,356	)	$	98,065

Amortization expense associated with identifiable intangible assets was $4.5 million and $3.9 million for the three months ended September 30, 2023 and 2022, respectively, and $13.1 million and $12.1 million for the nine months ended September 30, 2023 and 2022, respectively. Annual estimated total amortization expense is $17.4 million, $15.0 million, $12.1 million, $10.4 million and $9.1 million for the years ended December 31, 2023 through 2027, respectively.