v3.19.2
Document And Entity Information
Aug. 07, 2019
Aug. 07, 2019
Document Information [Line Items]    
Entity Registrant Name Gray Television, Inc.  
Document Type 8-K  
Document Period End Date Aug. 07, 2019  
Entity Incorporation, State or Country Code GA  
Entity File Number 001-13796  
Entity Tax Identification Number 58-0285030  
Entity Address, Address Line One 4370 Peachtree Road, NE  
Entity Address, City or Town Atlanta  
Entity Address, State or Province GA  
Entity Address, Postal Zip Code 30319  
City Area Code 404  
Local Phone Number 504-9828  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Entity Emerging Growth Company false  
Entity Ex Transition Period false  
Amendment Flag false  
Entity Central Index Key 0000043196  
ClassAcommonstock Custom [Member]    
Document Information [Line Items]    
Title of 12(b) Security   Class A common stock
Trading Symbol   GTN.A
Security Exchange Name   NYSE
commonstock Custom [Member]    
Document Information [Line Items]    
Title of 12(b) Security   common stock
Trading Symbol   GTN
Security Exchange Name   NYSE