XML 9 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information
 3 Months Ended
Mar. 31, 2016
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 31, 2016
Trading Symbol LAMR
Entity Registrant Name LAMAR ADVERTISING CO/NEW
Entity Central Index Key 0001090425
LAMAR MEDIA CORP [Member]  
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 31, 2016
Entity Registrant Name LAMAR MEDIA CORP/DE
Entity Central Index Key 0000899045