Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 10,046	$ 115,471
Receivables, net of allowance for doubtful accounts	209,232	201,699
Prepaid lease expenses	77,429	51,074
Other current assets	59,292	52,275
Total current assets	355,999	420,519
Property, plant and equipment	3,372,406	3,384,723
Less accumulated depreciation and amortization	(2,179,506)	(2,170,585)
Net property, plant and equipment	1,192,900	1,214,138
Goodwill	1,737,402	1,740,454
Intangible assets	770,370	796,348
Other assets	57,856	42,886
Total assets	4,114,527	4,214,345
Current liabilities:
Trade accounts payable	19,176	17,961
Current maturities of long-term debt, net of deferred financing costs	23,978	17,664
Accrued expenses	81,277	197,675
Deferred income	99,160	92,694
Total current liabilities	223,591	325,994
Long-term debt, net of deferred financing costs	2,603,982	2,539,026
Deferred income tax liabilities	845	884
Asset retirement obligation	215,055	215,089
Other liabilities	30,855	29,859
Total liabilities	3,074,328	3,110,852
Stockholders’ equity:
Additional paid-in capital	1,778,441	1,762,499
Accumulated comprehensive income	759	1,302
Accumulated deficit	(713,687)	(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	1,040,199	1,103,493
Total liabilities and stockholders’ equity	4,114,527	4,214,345
LAMAR MEDIA CORP. AND SUBSIDIARIES [Member]
Current assets:
Cash and cash equivalents	9,546	114,971
Receivables, net of allowance for doubtful accounts	209,232	201,699
Prepaid lease expenses	77,429	51,074
Other current assets	59,292	52,275
Total current assets	355,499	420,019
Property, plant and equipment	3,372,406	3,384,723
Less accumulated depreciation and amortization	(2,179,506)	(2,170,585)
Net property, plant and equipment	1,192,900	1,214,138
Goodwill	1,727,251	1,730,303
Intangible assets	769,901	795,879
Other assets	52,572	37,603
Total assets	4,098,123	4,197,942
Current liabilities:
Trade accounts payable	19,176	17,961
Current maturities of long-term debt, net of deferred financing costs	23,978	17,664
Accrued expenses	77,072	193,667
Deferred income	99,160	92,694
Total current liabilities	219,386	321,986
Long-term debt, net of deferred financing costs	2,603,982	2,539,026
Deferred income tax liabilities	845	884
Asset retirement obligation	215,055	215,089
Other liabilities	30,855	29,859
Total liabilities	3,070,123	3,106,844
Stockholders’ equity:
Additional paid-in capital	2,848,881	2,832,940
Accumulated comprehensive income	759	1,302
Accumulated deficit	(1,821,640)	(1,743,144)
Stockholders’ equity	1,028,000	1,091,098
Total liabilities and stockholders’ equity	4,098,123	4,197,942
Series AA Preferred Stock [Member]
Stockholders’ equity:
Preferred stock, value
Common Class A [Member]
Stockholders’ equity:
Common stock, value	84	84
Common Class B [Member]
Stockholders’ equity:
Common stock, value	$ 14	$ 14