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Related Person Transactions (Details)
Jun. 30, 2024
agreement
hotel
shares
Dec. 31, 2023
Hotel    
Related Party Transaction [Line Items]    
Number of properties owned 220  
RMR LLC    
Related Party Transaction [Line Items]    
Percentage of total shares outstanding (in percent) 4.40%  
Travel Centers of America | RMR LLC    
Related Party Transaction [Line Items]    
Number of common shares owned (in shares) | shares 661,506  
Sonesta Int'l Hotels Corp    
Related Party Transaction [Line Items]    
Noncontrolling interest, ownership percentage (in percent) 34.00% 34.00%
RMR LLC | Amended And Restate Business Management Agreement    
Related Party Transaction [Line Items]    
Number of management service agreements | agreement 2  
Sonesta Int'l Hotels Corp | Related Party | Hotel    
Related Party Transaction [Line Items]    
Number of properties owned 195