v2.4.0.6
Document And Entity Information (USD $)
12 Months Ended
Dec. 31, 2012
Jun. 29, 2012
Feb. 25, 2013
Common Class A [Member]
Feb. 25, 2013
Common Class B [Member]
Entity Registrant Name GRAY TELEVISION INC      
Document Type 10-K      
Current Fiscal Year End Date --12-31      
Entity Common Stock, Shares Outstanding     5,753,020 51,768,945
Entity Public Float   $ 73,701,960    
Amendment Flag false      
Entity Central Index Key 0000043196      
Entity Current Reporting Status Yes      
Entity Voluntary Filers No      
Entity Filer Category Accelerated Filer      
Entity Well-known Seasoned Issuer No      
Document Period End Date Dec. 31, 2012      
Document Fiscal Year Focus 2012      
Document Fiscal Period Focus FY