Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.5.0.2
Document and Entity Information - shares
shares in Thousands
9 Months Ended
Sep. 30, 2016
Oct. 31, 2016
Entity Registrant Name GENERAL COMMUNICATION INC  
Entity Central Index Key 0000808461  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Document Type 10-Q  
Document Period End Date Sep. 30, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Common Stock - Class A [Member]    
Entity Common Stock Shares Outstanding   32,810
Common Stock - Class B [Member]    
Entity Common Stock Shares Outstanding   3,154