Goodwill and Other Intangible Assets

9 Months Ended

Sep. 30, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

7. Goodwill and Other Intangible Assets

The following is a summary of intangible assets at September 30, 2019 and December 31, 2018:  

	Estimated		September 30, 2019				December 31, 2018
	Life (Years)		Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortizable intangible assets:
Customer lists and contracts	7—10		$	641,221	$	533,148	$	610,376	$	514,928
Non-competition agreements	3—15			65,983		64,312		65,771		64,119
Site locations		15		2,386,446		1,487,218		2,228,767		1,422,794
Other	2—15			46,689		36,008		45,992		33,612
			$	3,140,339	$	2,120,686	$	2,950,906	$	2,035,453
Unamortizable intangible assets:
Goodwill			$	2,156,221	$	253,536	$	2,172,922	$	253,536