v2.4.0.6
Document and Entity Information
9 Months Ended
Sep. 30, 2012
Oct. 31, 2012
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2012  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q3  
Trading Symbol HOS  
Entity Registrant Name HORNBECK OFFSHORE SERVICES INC /LA  
Entity Central Index Key 0001131227  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   35,408,222