v2.4.0.6
Document and Entity Information
6 Months Ended
Jun. 30, 2011
Jul. 31, 2011
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2011  
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q2  
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 Accelerated Filer  
Entity Common Stock, Shares Outstanding   26,912,733