Investments	9 Months Ended
Sep. 30, 2021
Equity Method Investments and Joint Ventures [Abstract]
Investments	InvestmentsOn July 12, 2021, Lamar invested $30,000 to acquire a 20% minority interest in Vistar Media, a leading global provider of programmatic technology for the digital out-of-home sector. This investment is accounted for as an equity method investment and is included in other assets on the Condensed Consolidated Balance Sheet. For the three and nine months ended September 30, 2021, the Company recorded $1,141 in equity in earnings of investee on the Condensed Consolidated Statement of Income and Comprehensive Income.

The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-URI http://asc.fasb.org/topic&trid=2196965

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