Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Company's Intangible Assets

Intangible assets that are subject to amortization, including the related accumulated amortization, are comprised of the following:

	September 30, 2021							December 31, 2020
	Cost		Accumulated amortization			Net carrying amount		Cost		Accumulated amortization			Net carrying amount
	(In thousands)
Customer relationships	$	132,094	$	(16,570	)	$	115,524	$	102,696	$	(7,369	)	$	95,327
Technology and other intangibles		11,430		(7,157	)		4,273		6,550		(6,523	)		27
Total	$	143,524	$	(23,727	)	$	119,797	$	109,246	$	(13,892	)	$	95,354