Condensed Consolidating Balance Sheets (Unaudited) (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
ASSETS
Total current assets	$ 440,086		$ 388,607
Net property, plant and equipment	1,377,447		1,337,274
Operating lease right of use assets	1,244,392		1,224,672
Other assets	90,816		98,448
Total assets	6,282,037		6,047,494
Current liabilities:
Current maturities of long-term debt	239,696		174,778
Current operating lease liabilities	179,691		198,286
Total current liabilities	691,412		662,965
Long-term debt	3,001,467		2,838,817
Operating lease liabilities	1,012,429		995,356
Total liabilities	5,041,971		4,830,405
Stockholder's equity	1,240,066	$ 1,223,861	1,217,089	$ 1,231,605	$ 1,181,507	$ 1,202,768
Total liabilities and stockholders’ equity	6,282,037		6,047,494
LAMAR MEDIA CORP. AND SUBSIDIARIES
ASSETS
Total current assets	439,586		388,107
Net property, plant and equipment	1,377,447		1,337,274
Operating lease right of use assets	1,244,392		1,224,672
Intangible assets, net	3,103,212		2,970,983
Other assets	100,657		109,995
Total assets	6,265,294		6,031,031
Current liabilities:
Current maturities of long-term debt	239,696		174,778
Current operating lease liabilities	179,691		198,286
Other current liabilities	263,596		282,181
Total current liabilities	682,983		655,245
Long-term debt	3,001,467		2,838,817
Operating lease liabilities	1,012,429		995,356
Other noncurrent liabilities	336,663		333,267
Total liabilities	5,033,542		4,822,685
Stockholder's equity	1,231,752		1,208,346
Total liabilities and stockholders’ equity	6,265,294		6,031,031
Eliminations | LAMAR MEDIA CORP. AND SUBSIDIARIES
ASSETS
Total current assets	0		0
Net property, plant and equipment	0		0
Operating lease right of use assets	0		0
Intangible assets, net	0		0
Other assets	(4,945,409)		(4,576,531)
Total assets	(4,945,409)		(4,576,531)
Current liabilities:
Current maturities of long-term debt	0		0
Current operating lease liabilities	0		0
Other current liabilities	0		0
Total current liabilities	0		0
Long-term debt	0		0
Operating lease liabilities	0		0
Other noncurrent liabilities	(570,733)		(463,607)
Total liabilities	(570,733)		(463,607)
Stockholder's equity	(4,374,676)		(4,112,924)
Total liabilities and stockholders’ equity	(4,945,409)		(4,576,531)
Lamar Media Corp. | Reportable Legal Entities | LAMAR MEDIA CORP. AND SUBSIDIARIES
ASSETS
Total current assets	71,880		91,119
Net property, plant and equipment	0		0
Operating lease right of use assets	0		0
Intangible assets, net	0		0
Other assets	4,453,353		4,188,436
Total assets	4,525,233		4,279,555
Current liabilities:
Current maturities of long-term debt	0		0
Current operating lease liabilities	0		0
Other current liabilities	22,190		22,009
Total current liabilities	22,190		22,009
Long-term debt	2,999,639		2,836,801
Operating lease liabilities	0		0
Other noncurrent liabilities	271,652		212,399
Total liabilities	3,293,481		3,071,209
Stockholder's equity	1,231,752		1,208,346
Total liabilities and stockholders’ equity	4,525,233		4,279,555
Guarantor Subsidiaries | Reportable Legal Entities | LAMAR MEDIA CORP. AND SUBSIDIARIES
ASSETS
Total current assets	58,903		29,379
Net property, plant and equipment	1,361,206		1,321,526
Operating lease right of use assets	1,221,285		1,198,934
Intangible assets, net	3,086,061		2,953,600
Other assets	341,254		311,046
Total assets	6,068,709		5,814,485
Current liabilities:
Current maturities of long-term debt	368		363
Current operating lease liabilities	172,062		190,748
Other current liabilities	224,804		246,030
Total current liabilities	397,234		437,141
Long-term debt	1,828		2,016
Operating lease liabilities	997,889		977,463
Other noncurrent liabilities	300,693		292,194
Total liabilities	1,697,644		1,708,814
Stockholder's equity	4,371,065		4,105,671
Total liabilities and stockholders’ equity	6,068,709		5,814,485
Non- Guarantor Subsidiaries | Reportable Legal Entities | LAMAR MEDIA CORP. AND SUBSIDIARIES
ASSETS
Total current assets	308,803		267,609
Net property, plant and equipment	16,241		15,748
Operating lease right of use assets	23,107		25,738
Intangible assets, net	17,151		17,383
Other assets	251,459		187,044
Total assets	616,761		513,522
Current liabilities:
Current maturities of long-term debt	239,328		174,415
Current operating lease liabilities	7,629		7,538
Other current liabilities	16,602		14,142
Total current liabilities	263,559		196,095
Long-term debt	0		0
Operating lease liabilities	14,540		17,893
Other noncurrent liabilities	335,051		292,281
Total liabilities	613,150		506,269
Stockholder's equity	3,611		7,253
Total liabilities and stockholders’ equity	$ 616,761		$ 513,522