Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2021

Intangible Assets Gross Excluding Goodwill [Abstract]

Schedule of Other Intangible Assets

Other intangible assets are summarized as follows:

(in thousands)	September 30, 2021			December 31, 2020
Finite-lived intangible assets:
Customer relationships	$	182,800		$	172,851
Noncompete agreements		32,860			38,310
Trademarks		26,334			24,370
Internal-use software licenses		24,363			21,605
Patents		2,840			2,840
		269,197			259,976
Accumulated amortization		(97,487	)		(82,380	)
		171,710			177,596
Indefinite-lived intangible assets:
Licenses		16,878			16,878
	$	188,588		$	194,474

Estimated Amortization Expense for Finite-Lived Intangible Assets

Estimated amortization expense for finite-lived intangible assets for the next five years is as follows:

Year	(in thousands)
Remainder of 2021	$	12,275
2022	$	40,535
2023	$	34,877
2024	$	27,452
2025	$	21,071
2026	$	20,335