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Document and Entity Information - shares
6 Months Ended
Jun. 30, 2022
Aug. 04, 2022
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2022  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q2  
Trading Symbol NXST  
Entity Registrant Name NEXSTAR MEDIA GROUP, INC.  
Entity Central Index Key 0001142417  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity File Number 000-50478  
Entity Tax Identification Number 23-3083125  
Entity Address, Address Line One 545 E. John Carpenter Freeway  
Entity Address, Address Line Two Suite 700  
Entity Address, City or Town Irving  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 75062  
City Area Code 972  
Local Phone Number 373-8800  
Entity Common Stock, Shares Outstanding   38,793,923
Title of 12(b) Security Common Stock  
Security Exchange Name NASDAQ  
Entity Incorporation, State or Country Code DE  
Entity Interactive Data Current Yes  
Document Quarterly Report true  
Document Transition Report false