Goodwill and Other Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 3,799,849	$ 3,708,668
Accumulated Amortization	2,604,482	2,502,043
Goodwill, gross carrying amount	2,288,749	2,288,805
Goodwill, accumulated amortization	253,536	253,536
Customer lists and contracts
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	729,648	720,051
Accumulated Amortization	$ 634,086	614,840
Customer lists and contracts | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Life (Years)	7 years
Customer lists and contracts | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Life (Years)	10 years
Non-competition agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 71,839	71,599
Accumulated Amortization	$ 66,249	65,647
Non-competition agreements | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Life (Years)	3 years
Non-competition agreements | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Life (Years)	15 years
Site locations
Finite-Lived Intangible Assets [Line Items]
Estimated Life (Years)	15 years
Gross Carrying Amount	$ 2,945,955	2,864,854
Accumulated Amortization	1,862,990	1,781,164
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	52,407	52,164
Accumulated Amortization	$ 41,157	$ 40,392
Other | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Life (Years)	2 years
Other | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Life (Years)	15 years