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Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2025
Apr. 09, 2026
Jun. 30, 2025
Document and Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Document Transition Report false    
Entity File Number 1-11588    
Entity Registrant Name SAGA COMMUNICATIONS, INC.    
Entity Incorporation, State or Country Code FL    
Entity Tax Identification Number 38-3042953    
Entity Address, Address Line One 73 Kercheval Avenue    
Entity Address, City or Town Grosse Pointe Farms    
Entity Address, State or Province MI    
Entity Address, Postal Zip Code 48236    
City Area Code 313    
Local Phone Number 886-7070    
Title of 12(b) Security Class A Common Stock, $.01 par value    
Trading Symbol SGA    
Security Exchange Name NASDAQ    
Entity Well Known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 52,914,030
Entity Common Stock, Shares Outstanding   6,363,968  
Documents Incorporated by Reference [Text Block]

Portions of the Proxy Statement for the 2026 Annual Meeting of Shareholders (to be filed with the Securities and Exchange Commission not later than 120 days after the end of the Company’s fiscal year) are incorporated by reference in Part III hereof.

    
Auditor Firm ID 173    
Auditor Name Crowe LLP    
Auditor Location Fort Lauderdale, Florida    
Entity Central Index Key 0000886136    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Amendment Flag false