Consolidated Statements of Cash Flows (Subsidiary) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income	$ 388,090,000	$ 243,386,000	$ 372,111,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	271,294,000	251,296,000	250,028,000
Stock-based compensation	37,368,000	18,772,000	29,647,000
Amortization included in interest expense	5,877,000	5,909,000	5,365,000
Gain on disposition of assets	(2,115,000)	(9,026,000)	(7,241,000)
Loss on extinguishment of debt	21,604,000	25,235,000	0
Equity in earnings of investee	(3,384,000)	0	0
Deferred income tax expense (benefit)	1,574,000	(797,000)	(14,130,000)
Provision for doubtful accounts	4,527,000	12,729,000	10,608,000
(Increase) decrease in:
Receivables	(24,684,000)	1,287,000	(28,357,000)
Prepaid expenses	(5,493,000)	591,000	275,000
Other assets	5,030,000	7,629,000	(11,257,000)
Increase (decrease) in:
Trade accounts payable	1,308,000	841,000	700,000
Accrued expenses	9,553,000	10,052,000	(1,597,000)
Operating lease liabilities	3,819,000	24,549,000	9,102,000
Other liabilities	20,049,000	(22,580,000)	15,611,000
Cash flows provided by operating activities	734,417,000	569,873,000	630,865,000
Cash flows from investing activities:
Capital expenditures	(126,090,000)	(62,272,000)	(140,956,000)
Acquisitions	(312,257,000)	(45,584,000)	(226,278,000)
Payment for investments in equity securities	(30,000,000)	0	0
Decrease (increase) in notes receivable	107,000	0
Decrease (increase) in notes receivable			(448,000)
Proceeds received from property insurance claims	0	0	210,000
Proceeds from disposition of assets and investments	6,480,000	10,968,000	5,438,000
Cash flows used in investing activities	(461,760,000)	(96,888,000)	(362,034,000)
Cash flows from financing activities:
Proceeds received from revolving credit facility	200,000,000	725,000,000	495,000,000
Payments on revolving credit facility	(25,000,000)	(875,000,000)	(625,000,000)
Principal payments on long-term debt	(378,000)	(9,112,000)	(34,471,000)
Borrowings on long-term debt	0	8,750,000	0
Principal payments on financing leases	(1,331,000)	0	0
Proceeds received from senior credit facility term loans	0	598,500,000	0
Proceeds received from accounts receivable securitization program	180,000,000	122,500,000	9,000,000
Payments on accounts receivable securitization program	(127,500,000)	(175,000,000)	(9,000,000)
Debt issuance costs	(8,823,000)	(32,950,000)	(4,463,000)
Proceeds received from note offering	550,000,000	1,549,250,000	255,000,000
Redemption of senior notes and senior subordinated notes	(668,688,000)	(1,058,596,000)	0
Payments on senior credit facility term loans	0	(978,097,000)	0
Distributions to non-controlling interest	(601,000)	(1,509,000)	(621,000)
Cash flows used in financing activities	(294,519,000)	(377,917,000)	(264,357,000)
Effect of exchange rate changes in cash and cash equivalents	81,000	313,000	220,000
Net (decrease) increase in cash and cash equivalents	(21,781,000)	95,381,000	4,694,000
Cash and cash equivalents at beginning of period	121,569,000	26,188,000	21,494,000
Cash and cash equivalents at end of period	99,788,000	121,569,000	26,188,000
Supplemental disclosures of cash flow information:
Cash paid for interest	112,080,000	130,864,000	139,585,000
Cash paid for state and federal income taxes	8,388,000	4,033,000	14,449,000
LAMAR MEDIA CORP. AND SUBSIDIARIES
Cash flows from operating activities:
Net income	388,908,000	243,873,000	372,540,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	271,294,000	251,296,000	250,028,000
Stock-based compensation	37,368,000	18,772,000	29,647,000
Amortization included in interest expense	5,877,000	5,909,000	5,365,000
Gain on disposition of assets	(2,115,000)	(9,026,000)	(7,241,000)
Loss on extinguishment of debt	21,604,000	25,235,000	0
Equity in earnings of investee	(3,384,000)	0	0
Deferred income tax expense (benefit)	1,574,000	(797,000)	(14,130,000)
Provision for doubtful accounts	4,527,000	12,729,000	10,608,000
(Increase) decrease in:
Receivables	(24,684,000)	1,287,000	(28,357,000)
Prepaid expenses	(5,493,000)	591,000	275,000
Other assets	5,030,000	7,629,000	(11,257,000)
Increase (decrease) in:
Trade accounts payable	1,308,000	841,000	700,000
Accrued expenses	9,553,000	10,052,000	(1,597,000)
Operating lease liabilities	3,819,000	24,549,000	9,102,000
Other liabilities	360,000	(53,911,000)	(10,743,000)
Cash flows provided by operating activities	715,546,000	539,029,000	604,940,000
Cash flows from investing activities:
Capital expenditures	(126,090,000)	(62,272,000)	(140,956,000)
Acquisitions	(312,257,000)	(45,584,000)	(226,278,000)
Payment for investments in equity securities	(30,000,000)	0	0
Decrease (increase) in notes receivable	107,000	0
Decrease (increase) in notes receivable			(448,000)
Proceeds received from property insurance claims	0	0	210,000
Proceeds from disposition of assets and investments	6,480,000	10,968,000	5,438,000
Cash flows used in investing activities	(461,760,000)	(96,888,000)	(362,034,000)
Cash flows from financing activities:
Proceeds received from revolving credit facility	200,000,000	725,000,000	495,000,000
Payments on revolving credit facility	(25,000,000)	(875,000,000)	(625,000,000)
Principal payments on long-term debt	(378,000)	(9,112,000)	(34,471,000)
Borrowings on long-term debt	0	8,750,000	0
Principal payments on financing leases	(1,331,000)	0	0
Proceeds received from senior credit facility term loans	0	598,500,000	0
Proceeds received from accounts receivable securitization program	180,000,000	122,500,000	9,000,000
Payments on accounts receivable securitization program	(127,500,000)	(175,000,000)	(9,000,000)
Debt issuance costs	(8,823,000)	(32,950,000)	(4,463,000)
Proceeds received from note offering	550,000,000	1,549,250,000	255,000,000
Redemption of senior notes and senior subordinated notes	(668,688,000)	(1,058,596,000)	0
Payments on senior credit facility term loans	0	(978,097,000)	0
Distributions to non-controlling interest	(601,000)	(1,509,000)	(621,000)
Dividends to parent	(410,875,000)	(262,437,000)	(393,700,000)
Contributions from parent	37,548,000	41,628,000	69,822,000
Cash flows used in financing activities	(275,648,000)	(347,073,000)	(238,433,000)
Effect of exchange rate changes in cash and cash equivalents	81,000	313,000	221,000
Net (decrease) increase in cash and cash equivalents	(21,781,000)	95,381,000	4,694,000
Cash and cash equivalents at beginning of period	121,069,000	25,688,000	20,994,000
Cash and cash equivalents at end of period	99,288,000	121,069,000	25,688,000
Supplemental disclosures of cash flow information:
Cash paid for interest	112,080,000	130,864,000	139,585,000
Cash paid for state and federal income taxes	$ 8,388,000	$ 4,033,000	$ 14,449,000