Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income	$ 298,809	$ 262,570	$ 253,518
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	204,958	191,433	258,435
Stock-based compensation	28,560	25,890	24,120
Amortization included in interest expense	5,333	4,682	4,777
Gain on disposition of assets and investments	(15,095)	(8,765)	(3,192)
Other-than-temporary impairment of investment			4,069
Loss on extinguishment of debt	3,198		26,023
Deferred income tax (benefit) expense	(343)	11,099	(122,137)
Provision for doubtful accounts	6,870	6,506	5,947
(Increase) decrease in:
Receivables	(22,677)	(9,034)	(13,553)
Prepaid expenses	1,320	(575)	524
Other assets	5,462	(4,475)	662
(Decrease) increase in:
Trade accounts payable	(746)	(458)	1,076
Accrued expenses	10,245	3,335	8,273
Other liabilities	(4,071)	(4,558)	3,987
Cash flows provided by operating activities	521,823	477,650	452,529
Cash flows from investing activities:
Capital expenditures	(107,612)	(110,425)	(107,573)
Acquisitions	(585,054)	(153,877)	(65,021)
Decrease (increase) in notes receivable	21	(7)	4,462
Proceeds from disposition of assets and investments	11,662	10,429	4,135
Cash flows used in investing activities	(680,983)	(253,880)	(163,997)
Cash flows from financing activities:
Net proceeds from issuance of common stock	23,082	28,399	20,615
Cash used for purchase of treasury shares	(6,204)	(6,099)	(2,987)
Proceeds received from revolving credit facility	483,000	317,000	325,000
Payments on revolving credit facility	(403,000)	(282,000)	(410,000)
Principal payments on long term debt	(21,118)	(15,468)	(11,750)
Proceeds received from senior credit facility	300,000		300,000
Debt issuance costs	(9,467)		(17,441)
Proceeds received from note offering	400,000		510,000
Payment on senior subordinated notes			(415,752)
Payment on senior credit facility	(300,000)		(352,106)
Distributions to non-controlling interest	(420)	(1,130)	(1,094)
Dividends/distributions	(293,965)	(265,510)	(238,800)
Cash flows provided by (used in) financing activities	171,908	(224,808)	(294,315)
Effect of exchange rate changes in cash and cash equivalents	455	(2,670)	(1,394)
Net increase (decrease) in cash and cash equivalents	13,203	(3,708)	(7,177)
Cash and cash equivalents at beginning of period	22,327	26,035	33,212
Cash and cash equivalents at end of period	35,530	22,327	26,035
Supplemental disclosures of cash flow information:
Cash paid for interest	108,719	93,765	94,646
Cash paid for state and federal income taxes	14,167	10,786	12,754
LAMAR MEDIA CORP [Member]
Cash flows from operating activities:
Net income	299,181	262,903	287,035
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	204,958	191,433	258,435
Stock-based compensation	28,560	25,890	24,120
Amortization included in interest expense	5,333	4,682	4,777
Gain on disposition of assets and investments	(15,095)	(8,765)	(3,192)
Other-than-temporary impairment of investment			4,069
Loss on extinguishment of debt	3,198		26,023
Deferred income tax (benefit) expense	(343)	11,099	(155,528)
Provision for doubtful accounts	6,870	6,506	5,947
(Increase) decrease in:
Receivables	(22,677)	(9,034)	(13,553)
Prepaid expenses	1,320	(575)	524
Other assets	5,462	(4,475)	662
(Decrease) increase in:
Trade accounts payable	(746)	(458)	1,076
Accrued expenses	10,245	3,335	8,491
Other liabilities	(31,000)	(29,120)	(14,306)
Cash flows provided by operating activities	495,266	453,421	434,580
Cash flows from investing activities:
Capital expenditures	(107,612)	(110,425)	(107,573)
Acquisitions	(585,054)	(153,877)	(65,021)
Decrease (increase) in notes receivable	21	(7)	4,462
Proceeds from disposition of assets and investments	11,662	10,429	4,135
Cash flows used in investing activities	(680,983)	(253,880)	(163,997)
Cash flows from financing activities:
Proceeds received from revolving credit facility	483,000	317,000	325,000
Payments on revolving credit facility	(403,000)	(282,000)	(410,000)
Principal payments on long term debt	(21,118)	(15,468)	(11,750)
Proceeds received from senior credit facility	300,000		300,000
Debt issuance costs	(9,467)		(17,442)
Proceeds received from note offering	400,000		510,000
Payment on senior subordinated notes			(415,752)
Payment on senior credit facility	(300,000)		(352,106)
Distributions to non-controlling interest	(420)	(1,130)	(1,094)
Dividends to parent	(299,804)	(271,244)	(241,422)
Contributions from parent	49,274	52,263	38,201
Cash flows provided by (used in) financing activities	198,465	(200,579)	(276,365)
Effect of exchange rate changes in cash and cash equivalents	455	(2,670)	(1,395)
Net increase (decrease) in cash and cash equivalents	13,203	(3,708)	(7,177)
Cash and cash equivalents at beginning of period	21,827	25,535	32,712
Cash and cash equivalents at end of period	35,030	21,827	25,535
Supplemental disclosures of cash flow information:
Cash paid for interest	108,719	93,765	94,646
Cash paid for state and federal income taxes	$ 14,167	$ 10,786	$ 12,754