Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Allowance for doubtful accounts	$ 9,417	$ 9,356
Current deferred financing costs	5,505	5,459
Noncurrent deferred financing costs	$ 22,116	$ 23,510
Shares held in treasury	331,284	216,088
LAMAR MEDIA CORP [Member]
Allowance for doubtful accounts	$ 9,417	$ 9,356
Current deferred financing costs	5,505	5,459
Noncurrent deferred financing costs	$ 22,116	$ 23,510
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	3,000	3,000
Common stock, shares issued	100	100
Common stock, shares outstanding	100	100
Series AA Preferred Stock [Member]
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, cumulative dividends	$ 63.80	$ 63.80
Preferred stock, shares authorized	5,720	5,720
Preferred stock, shares issued	5,720	5,720
Preferred stock, shares outstanding	5,720	5,720
Common Class A [Member]
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	362,500,000	362,500,000
Common stock, shares issued	83,822,110	83,038,831
Common stock, shares outstanding	83,490,826	82,822,743
Common Class B [Member]
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	37,500,000	37,500,000
Common stock, shares issued	14,420,085	14,610,365
Common stock, shares outstanding	14,420,085	14,610,365