Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 10,609	$ 115,471
Receivables, net of allowance for doubtful accounts	227,960	201,699
Prepaid lease expenses	75,690	51,074
Other current assets	51,639	52,275
Total current assets	365,898	420,519
Property, plant and equipment	3,412,221	3,384,723
Less accumulated depreciation and amortization	(2,218,908)	(2,170,585)
Net property, plant and equipment	1,193,313	1,214,138
Goodwill	1,737,401	1,740,454
Intangible assets	773,659	796,348
Other assets	54,349	42,886
Total assets	4,124,620	4,214,345
Current liabilities:
Trade accounts payable	19,526	17,961
Current maturities of long-term debt, net of deferred financing costs	26,728	17,664
Accrued expenses	102,586	197,675
Deferred income	107,144	92,694
Total current liabilities	255,984	325,994
Long-term debt, net of deferred financing costs	2,519,153	2,539,026
Deferred income tax liabilities	2,508	884
Asset retirement obligation	216,050	215,089
Other liabilities	33,966	29,859
Total liabilities	3,027,661	3,110,852
Stockholders’ equity:
Additional paid-in capital	1,820,911	1,762,499
Accumulated comprehensive income	703	1,302
Accumulated deficit	(699,342)	(639,106)
Cost of shares held in treasury, 388,903 and 331,284 shares at 2018 and 2017, respectively	(25,412)	(21,300)
Stockholders’ equity	1,096,959	1,103,493
Total liabilities and stockholders’ equity	4,124,620	4,214,345
LAMAR MEDIA CORP. AND SUBSIDIARIES [Member]
Current assets:
Cash and cash equivalents	10,109	114,971
Receivables, net of allowance for doubtful accounts	227,960	201,699
Prepaid lease expenses	75,690	51,074
Other current assets	51,639	52,275
Total current assets	365,398	420,019
Property, plant and equipment	3,412,221	3,384,723
Less accumulated depreciation and amortization	(2,218,908)	(2,170,585)
Net property, plant and equipment	1,193,313	1,214,138
Goodwill	1,727,250	1,730,303
Intangible assets	773,191	795,879
Other assets	48,683	37,603
Total assets	4,107,835	4,197,942
Current liabilities:
Trade accounts payable	19,526	17,961
Current maturities of long-term debt, net of deferred financing costs	26,728	17,664
Accrued expenses	98,001	193,667
Deferred income	107,144	92,694
Total current liabilities	251,399	321,986
Long-term debt, net of deferred financing costs	2,519,153	2,539,026
Deferred income tax liabilities	2,508	884
Asset retirement obligation	216,050	215,089
Other liabilities	33,966	29,859
Total liabilities	3,023,076	3,106,844
Stockholders’ equity:
Additional paid-in capital	2,890,971	2,832,940
Accumulated comprehensive income	703	1,302
Accumulated deficit	(1,806,915)	(1,743,144)
Stockholders’ equity	1,084,759	1,091,098
Total liabilities and stockholders’ equity	4,107,835	4,197,942
Series AA Preferred Stock [Member]
Stockholders’ equity:
Preferred stock, value
Common Class A [Member]
Stockholders’ equity:
Common stock, value	85	84
Common Class B [Member]
Stockholders’ equity:
Common stock, value	$ 14	$ 14