Valuation and Qualifying Accounts (Subsidiary) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deducted in balance sheet from trade accounts receivable: allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 11,195	$ 14,946	$ 13,185
Charged to Costs and Expenses	9,013	4,527	12,729
Deductions	8,790	8,278	10,968
Balance at End of Period	11,418	11,195	14,946
Deducted in balance sheet from trade accounts receivable: allowance for doubtful accounts | LAMAR MEDIA CORP. AND SUBSIDIARIES
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	11,195	14,946	13,185
Charged to Costs and Expenses	9,013	4,527	12,729
Deductions	8,790	8,278	10,968
Balance at End of Period	11,418	11,195	14,946
Deducted in balance sheet from deferred tax assets: valuation allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	19,433	20,997	22,902
Charged to Costs and Expenses	0	0	0
Deductions	14,998	1,564	1,905
Balance at End of Period	4,435	19,433	20,997
Deducted in balance sheet from deferred tax assets: valuation allowance | LAMAR MEDIA CORP. AND SUBSIDIARIES
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	19,433	20,997	22,902
Charged to Costs and Expenses	0	0	0
Deductions	14,998	1,564	1,905
Balance at End of Period	$ 4,435	$ 19,433	$ 20,997