Intangibles

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangibles

Intangible assets

Intangible assets other than goodwill were comprised of the following:

	December 31,
	2021		2020
Indefinite-lived licenses	$	104,214	$	100,138
Noncompetition agreements	70,495		84,022
Customer relationships and other	63,714		52,566
	238,423		236,726
Less accumulated amortization	(60,730)		(70,141)
	$	177,693	$	166,585

Noncompetition agreements are generally amortized over three years to 10 years and customer relationships are principally amortized over 10 years to 20 years. The weighted average renewal or extension period of customer relationships was three years and five years as of December 31, 2021 and 2020, respectively. Amortization expense from amortizable intangible assets was $12,860, $13,809, and $14,247 for 2021, 2020 and 2019, respectively.

For the years ended December 31, 2021, 2020 and 2019, the Company recognized no impairment charges on any intangible assets other than the goodwill impairment charges discussed in Note 10.

Scheduled amortization expenses from amortizable intangible assets as of December 31, 2021 were as follows: 

	Noncompetition agreements		Customer relationships and other
2022	$	7,221	$	4,695
2023	4,443		4,669
2024	2,499		4,444
2025	1,371		4,107
2026	888		4,107
Thereafter	1,260		33,775
Total	$	17,682	$	55,797