Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income	$ 51,253	$ 15,052
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	61,506	56,840
Stock-based compensation	2,233	7,514
Amortization included in interest expense	1,332	1,242
(Gain) loss on disposition of assets and investments	(4,624)	8,701
Loss on extinguishment of debt		15,429
Deferred tax expense (benefit)	792	(87)
Provision for doubtful accounts	2,403	2,206
Decrease (increase) in:
Receivables	15,198	(9,876)
Prepaid expenses	20,835	(26,968)
Other assets	(14,393)	(7,542)
Increase (decrease) in:
Trade accounts payable	1,303	944
Accrued expenses	(41,210)	(27,682)
Operating lease liabilities	(29,207)
Other liabilities	(6,695)	4,999
Net cash provided by operating activities	60,726	40,772
Cash flows from investing activities:
Acquisitions	(66,423)	(6,637)
Capital expenditures	(25,951)	(23,252)
Proceeds received from insurance claims		790
Proceeds from disposition of assets and investments	1,297	244
Decrease in notes receivable	2	2
Net cash (used in) provided by investing activities	(91,075)	(28,853)
Cash flows from financing activities:
Cash used for purchase of treasury stock	(8,682)	(4,112)
Net proceeds from issuance of common stock	9,874	3,974
Principal payments on long term debt	(7,210)	(5,703)
Payments on revolving credit facility	(255,000)	(135,000)
Proceeds received from revolving credit facility	155,000	112,000
Proceeds received from note offering	255,000
Redemption of senior subordinated notes		(509,790)
Proceeds received from senior credit facility Term B loan		599,250
Payments on accounts receivable securitization program	(7,000)
Debt issuance costs	(4,256)	(6,290)
Distributions to non-controlling interest	(137)	(118)
Dividends/distributions	(96,006)	(171,258)
Net cash provided by (used in) financing activities	41,583	(117,047)
Effect of exchange rate changes in cash and cash equivalents	100	(297)
Net increase (decrease) in cash and cash equivalents	11,334	(105,425)
Cash and cash equivalents at beginning of period	21,494	115,471
Cash and cash equivalents at end of period	32,828	10,046
Supplemental disclosures of cash flow information:
Cash paid for interest	39,840	49,600
Cash paid for foreign, state and federal income taxes	2,957	1,490
LAMAR MEDIA CORP. AND SUBSIDIARIES [Member]
Cash flows from operating activities:
Net income	51,362	15,158
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	61,506	56,840
Stock-based compensation	2,233	7,514
Amortization included in interest expense	1,332	1,242
(Gain) loss on disposition of assets and investments	(4,624)	8,701
Loss on extinguishment of debt		15,429
Deferred tax expense (benefit)	792	(87)
Provision for doubtful accounts	2,403	2,206
Decrease (increase) in:
Receivables	15,198	(9,876)
Prepaid expenses	20,835	(26,968)
Other assets	(14,393)	(7,542)
Increase (decrease) in:
Trade accounts payable	1,303	944
Accrued expenses	(41,210)	(27,682)
Operating lease liabilities	(29,207)
Other liabilities	(27,991)	(7,256)
Net cash provided by operating activities	39,539	28,623
Cash flows from investing activities:
Acquisitions	(66,423)	(6,637)
Capital expenditures	(25,951)	(23,252)
Proceeds received from insurance claims		790
Proceeds from disposition of assets and investments	1,297	244
Decrease in notes receivable	2	2
Net cash (used in) provided by investing activities	(91,075)	(28,853)
Cash flows from financing activities:
Principal payments on long term debt	(7,210)	(5,703)
Payments on revolving credit facility	(255,000)	(135,000)
Proceeds received from revolving credit facility	155,000	112,000
Proceeds received from note offering	255,000
Redemption of senior subordinated notes		(509,790)
Proceeds received from senior credit facility Term B loan		599,250
Payments on accounts receivable securitization program	(7,000)
Debt issuance costs	(4,256)	(6,290)
Distributions to non-controlling interest	(137)	(118)
Contributions from parent	30,970	15,941
Dividend to parent	(104,597)	(175,188)
Net cash provided by (used in) financing activities	62,770	(104,898)
Effect of exchange rate changes in cash and cash equivalents	100	(297)
Net increase (decrease) in cash and cash equivalents	11,334	(105,425)
Cash and cash equivalents at beginning of period	20,994	114,971
Cash and cash equivalents at end of period	32,328	9,546
Supplemental disclosures of cash flow information:
Cash paid for interest	39,840	49,600
Cash paid for foreign, state and federal income taxes	$ 2,957	$ 1,490