v3.26.1
Related Person Transactions (Details)
ft² in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
ft²
agreement
property
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Jan. 01, 2025
Related Party Transaction [Line Items]        
Rental income $ 101,766 $ 106,462    
Other operating expenses 30,282 31,205    
Other assets, net 29,526   $ 30,951  
Sonesta | Management Agreement Priority Return        
Related Party Transaction [Line Items]        
Related party transaction amount 7,500      
Sonesta | Management Agreement Realized Return        
Related Party Transaction [Line Items]        
Related party transaction amount 815 910    
Related Party        
Related Party Transaction [Line Items]        
Rents receivable $ 685   $ 231  
Related Party | RMR LLC        
Related Party Transaction [Line Items]        
Number of agreements | agreement 2      
Rental income $ 180 201    
Related Party | Sonesta        
Related Party Transaction [Line Items]        
Rentable square feet (in square feet) | ft² 246,000      
Number of renewal options | property 2      
Renewal term 10 years      
Related party transaction amount $ 7,637      
Priority return increase percentage of out-of-pocket capital expenditures 8.00%      
Priority return percentage of prior year's annual owner's priority return       102.00%
Rents receivable $ 685 231    
Incentive fee, percent of net operating profit 20.00%      
Loyalty fee, percent of room revenues 1.00%      
Loyalty fee, percent of qualified room revenues 4.50%      
Other assets, net $ 11,803 11,911    
Related Party | Sonesta | Management, Brand Promotion and Loyalty Fees        
Related Party Transaction [Line Items]        
Rental income 7,102 7,153    
Other operating expenses $ 446 361    
Related Party | Sonesta | Sonesta Management Agreement, Period One        
Related Party Transaction [Line Items]        
Required escrow deposit, percent of gross revenues     1.00%  
Base management fee, percent of gross revenues     1.50%  
Brand promotion fee, percent of gross revenues     1.75%  
Related Party | Sonesta | Sonesta Management Agreement, Period Two        
Related Party Transaction [Line Items]        
Required escrow deposit, percent of gross revenues 3.00%      
Base management fee, percent of gross revenues 3.00%      
Brand promotion fee, percent of gross revenues 3.50%      
Related Party | Sonesta | Sonesta Management Agreement, Period Three        
Related Party Transaction [Line Items]        
Required escrow deposit, percent of gross revenues 4.00%      
Required escrow deposit $ 213 81    
Related Party | Sonesta | Working Capital        
Related Party Transaction [Line Items]        
Other operating expenses     $ 548  
Related Party | Sonesta | Asset Management Amortization        
Related Party Transaction [Line Items]        
Other operating expenses $ 108 $ 108