Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net revenues	$ 406,569	$ 384,457
Type of Revenue [Extensible List]	us-gaap:AdvertisingMember	us-gaap:AdvertisingMember
Operating expenses (income)
Direct advertising expenses (exclusive of depreciation and amortization)	$ 149,494	$ 140,470
Type of Cost Good or Service [Extensible List]	us-gaap:AdvertisingMember	us-gaap:AdvertisingMember
General and administrative expenses (exclusive of depreciation and amortization)	$ 82,204	$ 79,293
Corporate expenses (exclusive of depreciation and amortization)	18,491	17,029
Depreciation and amortization	62,313	61,506
Gain on disposition of assets	(2,504)	(4,624)
Total Operating Expenses	309,998	293,674
Operating income	96,571	90,783
Other expense (income)
Loss on extinguishment of debt	18,179
Interest income	(190)	(153)
Interest expense	36,553	37,595
Non-operating (Income) Expenses	54,542	37,442
Income before income tax expense	42,029	53,341
Income tax expense	1,536	2,088
Net income	40,493	51,253
Cash dividends declared and paid on preferred stock	91	91
Net income applicable to common stock	$ 40,402	$ 51,162
Earnings per share:
Basic earnings per share	$ 0.40	$ 0.51
Diluted earnings per share	0.40	0.51
Cash dividends declared per share of common stock	$ 1.00	$ 0.96
Weighted average common shares used in computing earnings per share:
Weighted average common shares outstanding basic	100,589,338	99,710,406
Weighted average common shares outstanding diluted	100,875,388	99,915,443
Statements of Comprehensive Income
Net income	$ 40,493	$ 51,253
Other comprehensive (loss) income
Foreign currency translation adjustments	(1,598)	259
Comprehensive income	38,895	51,512
LAMAR MEDIA CORP. AND SUBSIDIARIES [Member]
Net revenues	$ 406,569	$ 384,457
Type of Revenue [Extensible List]	us-gaap:AdvertisingMember	us-gaap:AdvertisingMember
Operating expenses (income)
Direct advertising expenses (exclusive of depreciation and amortization)	$ 149,494	$ 140,470
Type of Cost Good or Service [Extensible List]	us-gaap:AdvertisingMember	us-gaap:AdvertisingMember
General and administrative expenses (exclusive of depreciation and amortization)	$ 82,204	$ 79,293
Corporate expenses (exclusive of depreciation and amortization)	18,367	16,920
Depreciation and amortization	62,313	61,506
Gain on disposition of assets	(2,504)	(4,624)
Total Operating Expenses	309,874	293,565
Operating income	96,695	90,892
Other expense (income)
Loss on extinguishment of debt	18,179
Interest income	(190)	(153)
Interest expense	36,553	37,595
Non-operating (Income) Expenses	54,542	37,442
Income before income tax expense	42,153	53,450
Income tax expense	1,536	2,088
Net income	40,617	51,362
Statements of Comprehensive Income
Net income	40,617	51,362
Other comprehensive (loss) income
Foreign currency translation adjustments	(1,598)	259
Comprehensive income	$ 39,019	$ 51,621