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Intangible Assets, Net

9 Months Ended

Sep. 30, 2020

10.INTANGIBLE ASSETS, NET

Intangible assets, exclusive of goodwill, consisted of the following at September 30, 2020:


	Gross				Accumulated		Net
	Carrying		Accumulated		Impairment		Carrying
	Amount		Amortization		Loss		Amount
Finite-lived intangible assets:
Long-term franchise agreements and contracts	$	588,000	$	(220,502)	$	—	$	367,498
Customer lists		594,215		(360,264)		—		233,951
Permits and other		364,263		(74,120)		—		290,143
		1,546,478		(654,886)		—		891,592
Indefinite-lived intangible assets:
Solid waste collection and transportation permits		172,056		—		—		172,056
Material recycling facility permits		42,283		—		—		42,283
E&P facility permits		59,855		—		(38,507)		21,348
		274,194		—		(38,507)		235,687
Intangible assets, exclusive of goodwill	$	1,820,672	$	(654,886)	$	(38,507)	$	1,127,279

The weighted-average amortization period of long-term franchise agreements and contracts acquired during the nine months ended September 30, 2020 was 14.1 years. The weighted-average amortization period of customer lists acquired during the nine months ended September 30, 2020 was 11.0 years.

Intangible assets, exclusive of goodwill, consisted of the following at December 31, 2019:


	Gross				Accumulated		Net
	Carrying		Accumulated		Impairment		Carrying
	Amount		Amortization		Loss		Amount
Finite-lived intangible assets:
Long-term franchise agreements and contracts	$	550,340	$	(192,462)	$	—	$	357,878
Customer lists		587,562		(308,427)		—		279,135
Permits and other		367,127		(63,299)		—		303,828
		1,505,029		(564,188)		—		940,841
Indefinite-lived intangible assets:
Solid waste collection and transportation permits		158,591		—		—		158,591
Material recycling facility permits		42,283		—		—		42,283
E&P facility permits		59,855		—		(38,507)		21,348
		260,729		—		(38,507)		222,222
Intangible assets, exclusive of goodwill	$	1,765,758	$	(564,188)	$	(38,507)	$	1,163,063

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


For the year ending December 31, 2020	$	128,665
For the year ending December 31, 2021	$	113,928
For the year ending December 31, 2022	$	98,516
For the year ending December 31, 2023	$	83,699
For the year ending December 31, 2024	$	72,100