Accounts receivable securitization available borrowing amount.

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Cash portion of gains losses on extinguishment of debt.

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Debt instrument principal redemption maximum percentage.

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Percentage premium which may be required for repayment if the Company undergoes a change in control.

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Debt Instrument, Redemption, Period

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Debt repurchase program, authorized amount.

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Ratio of indebtedness to net capital minimum.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Percentage of principal amount of debt redeemed.

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Fair value amount of debt instrument that was repurchased.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The cash inflow from bank borrowing during the year.

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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Indebtedness divided by net capital.

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Long-term Debt - Additional Information (Detail) - USD ($)								3 Months Ended		6 Months Ended
	Feb. 03, 2021	Jan. 22, 2021	Aug. 19, 2020	May 13, 2020	Feb. 06, 2020	Feb. 01, 2019	Jan. 28, 2016	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 24, 2022	Dec. 31, 2021	Mar. 16, 2020	Dec. 18, 2018
Debt Instrument [Line Items]
Outstanding revolving credit facility								$ 335,000,000		$ 335,000,000
Aggregate principal amount of debt issued								3,275,438,000		3,275,438,000
Debt instrument outstanding amount								3,275,438,000		3,275,438,000			$ 3,050,454,000
Loss on extinguishment of debt								$ 0	$ 0	$ 0	$ 21,604,000
4% Senior Notes
Debt Instrument [Line Items]
Stated percentage			4.00%		4.00%			4.00%		4.00%			4.00%
Debt instrument outstanding amount								$ 549,398,000		$ 549,398,000			$ 549,359,000
Redemption period					120 days
Redemption price percentage of the principal amount to be purchased					101.00%
Accounts Receivable Securitization Program
Debt Instrument [Line Items]
Aggregate principal amount of debt issued												$ 250,000,000			$ 175,000,000
Debt instrument outstanding amount								$ 240,000,000		$ 240,000,000			$ 175,000,000
5 3/4% Senior Notes
Debt Instrument [Line Items]
Stated percentage							5.75%
Aggregate principal amount of debt issued							$ 400,000,000
Net proceeds form the issuance of debt							$ 394,500,000
Principal amount redeemed	$ 650,000,000
Percentage of principal amount redeemed	102.875%
Loss on extinguishment of debt											21,604,000
Loss on debt extinguishment on cash											18,700,000
3 3/4% Senior Notes
Debt Instrument [Line Items]
Stated percentage					3.75%			3.75%		3.75%			3.75%
Debt instrument outstanding amount								$ 600,000,000		$ 600,000,000			$ 600,000,000
Redemption percentage of aggregate principal amount of senior notes					40.00%
Redeemed percentage of aggregate principal amount					103.75%
Redemption percentage of issued notes which remain outstanding					60.00%
4 7/8% Senior Notes
Debt Instrument [Line Items]
Stated percentage								4.875%		4.875%			4.875%
Debt instrument outstanding amount								$ 400,000,000		$ 400,000,000			$ 400,000,000
Redemption percentage of aggregate principal amount of senior notes				40.00%
Redeemed percentage of aggregate principal amount				104.875%
Redemption percentage of issued notes which remain outstanding				60.00%
3 5/8% Senior Notes
Debt Instrument [Line Items]
Stated percentage								3.625%		3.625%			3.625%
Debt instrument outstanding amount								$ 550,000,000		$ 550,000,000			$ 550,000,000
Redemption percentage of aggregate principal amount of senior notes		40.00%
Redeemed percentage of aggregate principal amount		103.625%
Redemption percentage of issued notes which remain outstanding		60.00%
Redemption period		120 days
Redemption price percentage of the principal amount to be purchased		101.00%
Redemption Period One \| 4% Senior Notes
Debt Instrument [Line Items]
Redemption percentage of aggregate principal amount of senior notes					40.00%
Redeemed percentage of aggregate principal amount					104.00%
Redemption percentage of issued notes which remain outstanding					60.00%
Redemption Period One \| 3 3/4% Senior Notes
Debt Instrument [Line Items]
Redeemed percentage of aggregate principal amount					100.00%
Redemption price percentage of the principal amount to be purchased					101.00%
Redemption Period One \| 4 7/8% Senior Notes
Debt Instrument [Line Items]
Redeemed percentage of aggregate principal amount				100.00%
Redemption price percentage of the principal amount to be purchased				101.00%
Redemption Period One \| 3 5/8% Senior Notes
Debt Instrument [Line Items]
Redeemed percentage of aggregate principal amount		100.00%
Redemption Period Two \| 4% Senior Notes
Debt Instrument [Line Items]
Redeemed percentage of aggregate principal amount					100.00%
Private Placement \| 4% Senior Notes
Debt Instrument [Line Items]
Stated percentage			4.00%		4.00%
Aggregate principal amount of debt issued			$ 150,000,000		$ 400,000,000
Net proceeds form the issuance of debt			$ 146,900,000		395,000,000
Private Placement \| 5 3/4% Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount of debt issued						$ 250,000,000
Net proceeds form the issuance of debt						$ 251,500,000
Private Placement \| 3 3/4% Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount of debt issued					600,000,000
Net proceeds form the issuance of debt					$ 592,500,000
Redemption period					120 days
Private Placement \| 4 7/8% Senior Notes
Debt Instrument [Line Items]
Stated percentage				4.875%
Aggregate principal amount of debt issued				$ 400,000,000
Net proceeds form the issuance of debt				$ 395,000,000
Redemption period				120 days
Private Placement \| 3 5/8% Senior Notes
Debt Instrument [Line Items]
Proceeds received from term B loans		$ 542,500,000
Stated percentage		3.625%
Aggregate principal amount of debt issued		$ 550,000,000
Letter of Credit
Debt Instrument [Line Items]
Letter of credit outstanding balance								11,441,000		11,441,000
Debt Instrument Repurchase Program \| Senior or Senior Subordinated Notes and other Indebtedness
Debt Instrument [Line Items]
Debt repurchase program, authorized amount														$ 250,000,000
Debt instrument repurchased under the program								0		0
LAMAR MEDIA CORP. AND SUBSIDIARIES
Debt Instrument [Line Items]
Loss on extinguishment of debt								0	$ 0	0	$ 21,604,000
LAMAR MEDIA CORP. AND SUBSIDIARIES \| Accounts Receivable Securitization Program
Debt Instrument [Line Items]
Available borrowing on accounts receivable securitization								1,000,000		1,000,000
Senior Credit Facility
Debt Instrument [Line Items]
Maximum borrowing limit of incremental loan facility					$ 750,000,000
Term B Loan Facility
Debt Instrument [Line Items]
Maximum borrowing limit of incremental loan facility					600,000,000
Proceeds received from term B loans					$ 600,000,000
Term B Loan Facility \| LIBO Rate
Debt Instrument [Line Items]
Adjusted base rate					1.50%
Term B Loan Facility \| Base Rate
Debt Instrument [Line Items]
Adjusted base rate					0.50%
Revolving Credit Facility
Debt Instrument [Line Items]
Remaining borrowing capacity under revolving credit facility								$ 403,559,000		$ 403,559,000
Revolving Credit Facility \| Secured Debt
Debt Instrument [Line Items]
Secured debt ratio					4.50
Revolving Credit Facility \| LIBO Rate
Debt Instrument [Line Items]
Secured debt ratio					3.25
Adjusted base rate					1.50%
Ratio of indebtedness to net capital minimum					1
Revolving Credit Facility \| LIBO Rate \| Debt Ratio Less Than Three Point Two Five
Debt Instrument [Line Items]
Adjusted base rate					1.25%
Revolving Credit Facility \| Base Rate
Debt Instrument [Line Items]
Secured debt ratio					3.25
Adjusted base rate					0.50%
Ratio of indebtedness to net capital minimum					1
Revolving Credit Facility \| Base Rate \| Debt Ratio Less Than Three Point Two Five
Debt Instrument [Line Items]
Adjusted base rate					0.25%