v3.26.1
Equity and Noncontrolling Interests - Additional Information (Details) - $ / shares
3 Months Ended 6 Months Ended
Jan. 02, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Jan. 31, 2025
Equity and Noncontrolling Interests              
Common shares issued (in shares) 27,307,734 2,378,487 1,266,561 6,304,947 14,671,904    
Common shares, par value (in dollars per share) $ 0.01            
Preferred stock par value             $ 0.01
Shares repurchased 13,528,238 203,957   203,957 13,528,238    
Common shares - Class A              
Equity and Noncontrolling Interests              
Common shares issued (in shares)   0 73,590 0 8,331,806    
Common shares, par value (in dollars per share)   $ 0.01   $ 0.01   $ 0.01  
Percentage of aggregate NAV of total repurchases       5.00%      
Shares repurchased   0   0 9,348    
Common shares - Class F              
Equity and Noncontrolling Interests              
Common shares issued (in shares)   46,786 23,724 127,463 4,989,742    
Common shares, par value (in dollars per share)   $ 0.01   $ 0.01   0.01  
Percentage of aggregate NAV of total repurchases       5.00%      
Shares repurchased   0   0 0    
Common shares - Class I              
Equity and Noncontrolling Interests              
Common shares issued (in shares)   2,276,266 1,169,247 6,118,359 1,307,855    
Common shares, par value (in dollars per share)   $ 0.01   $ 0.01   0.01  
Percentage of aggregate NAV of total repurchases       5.00%      
Shares repurchased   149,701   149,701 0    
Common shares - Class E              
Equity and Noncontrolling Interests              
Common shares issued (in shares)   55,435 0 59,125 42,501    
Common shares, par value (in dollars per share)   $ 0.01   $ 0.01   $ 0.01  
Percentage of aggregate NAV of total repurchases       5.00%      
Shares repurchased   54,256   54,256 13,518,890    
Maximum              
Equity and Noncontrolling Interests              
Early repurchase deduction percentage       95.00%      
New Mountain Net Lease Partners, L.P.              
Equity and Noncontrolling Interests              
Percentage of common stock received as contribution 100.00%            
Common shares issued (in shares) 27,307,734            
Number of shares distributed in kind 27,307,734            
REIT contribution value per share $ 20