v3.26.3
Organization and Business Purpose - Additional Information (Details)
 3 Months Ended 9 Months Ended
Jan. 02, 2025
Item
$ / shares
shares
Sep. 30, 2026
Property
Tenant
shares
Sep. 30, 2025
shares
Sep. 30, 2026
Property
Tenant
shares
Sep. 30, 2025
shares
Business and Organization          
Number of classes of shares issued | Item 4        
Common shares, par value (in dollars per share) | $ / shares $ 0.01        
Common shares issued (in shares) 27,307,734 3,203,113 1,809,977 9,508,060 16,481,881
Number of real estate properties | Property   211   211  
Number of tenants | Tenant   41   41  
New Mountain Net Lease Partners, L.P.          
Business and Organization          
Percentage of common stock received as contribution 100.00%        
REIT contribution value per share | $ / shares $ 20        
Common shares issued (in shares) 27,307,734        
Number of shares distributed in kind 27,307,734