v3.26.3
Debt - Schedule of Mortgage Notes Payable (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Debt    
Outstanding principal balance $ 1,028,772 $ 917,655
Unamortized deferred financing costs (14,996) (14,125)
Debt, net $ 1,225,383  
ABS Program    
Debt    
Weighted average contractual interest rate (in percentage) 5.43%  
Outstanding principal balance $ 289,048 134,898
ABS Program | New Mountain Net Lease Partners II, L.P    
Debt    
Outstanding principal balance 645,444  
ABS Program, Class A notes    
Debt    
Amount of debt instrument $ 338,300  
Weighted average contractual interest rate (in percentage) 5.14%  
Outstanding principal balance $ 92,340 92,493
ABS Program, Class B notes    
Debt    
Amount of debt instrument $ 98,700  
Weighted average contractual interest rate (in percentage) 5.33%  
Outstanding principal balance $ 26,941 26,985
ABS Program, Class C notes    
Debt    
Amount of debt instrument $ 56,400  
Weighted average contractual interest rate (in percentage) 6.07%  
Outstanding principal balance $ 15,395 15,420
ABS Program, Class A 2026 notes    
Debt    
Amount of debt instrument $ 325,500  
Weighted average contractual interest rate (in percentage) 5.51%  
Outstanding principal balance $ 120,298  
ABS Program, Class B 2026 notes    
Debt    
Amount of debt instrument $ 131,200  
Weighted average contractual interest rate (in percentage) 5.70%  
Outstanding principal balance $ 34,074  
Mortgages At 3.98 Interest    
Debt    
Weighted average contractual interest rate (in percentage) 3.98%  
Outstanding principal balance $ 739,724 782,757
Mortgage notes    
Debt    
Unamortized deferred financing costs (14,185) (13,303)
Debt, net $ 1,014,587 $ 904,352