Goodwill and Intangible Assets

6 Months Ended

Jun. 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 June 30, 2023 and December 31, 2022. Intangible assets that are subject to amortization, including the related accumulated amortization, are comprised of the following:

	June 30, 2023							December 31, 2022
	Cost		Accumulated amortization			Net carrying amount		Cost		Accumulated amortization			Net carrying amount
	(In thousands)
Customer relationships	$	130,453	$	(42,376	)	$	88,077	$	129,991	$	(34,310	)	$	95,681
Technology and other intangibles		11,430		(9,695	)		1,735		11,430		(9,046	)		2,384
Total	$	141,883	$	(52,071	)	$	89,812	$	141,421	$	(43,356	)	$	98,065

Amortization expense associated with identifiable intangible assets was $4.5 million and $4.0 million for the three months ended June 30, 2023 and 2022, respectively, and $8.6 million and $8.2 million for the six months ended June 30, 2023 and 2022, respectively. Annual estimated total amortization expense is $17.4 million, $15.1 million, $12.1 million, $10.4 million and $9.1 million for the years ended December 31, 2023 through 2027, respectively.