v3.25.4
LEASES (Narrative) (Detail)
3 Months Ended 12 Months Ended
Mar. 31, 2025
USD ($)
facility
Mar. 31, 2023
USD ($)
facility
Dec. 31, 2025
USD ($)
facility
Office
property
Dec. 31, 2024
USD ($)
facility
Dec. 31, 2023
USD ($)
facility
Jun. 30, 2025
facility
Jun. 30, 2024
facility
Mar. 31, 2024
facility
Sep. 30, 2023
facility
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | facility     1,027            
Accounts receivable - net | $     $ 330,322,000 $ 332,274,000          
Net investment reclassified to real estate assets | $ $ 9,400,000                
Inducements to Lease | $     7,519,000 8,788,000          
Other assets | $     229,408,000 189,476,000          
Recovery on direct financing leases | $       (884,000) $ (327,000)        
Existing Operator [Member]                  
Lessee, Lease, Description [Line Items]                  
Inducements to Lease | $     10,000,000 1,000,000 15,900,000        
One Operator on Cash Basis [Member]                  
Lessee, Lease, Description [Line Items]                  
Inducements to Lease | $ $ 10,000,000                
Ground Leases and/or Facility Leases [Member] | General and Administrative Expense [Member]                  
Lessee, Lease, Description [Line Items]                  
Operating lease expenses | $     $ 3,300,000 $ 3,200,000 2,800,000        
United Kingdom                  
Lessee, Lease, Description [Line Items]                  
Initial non cash right of use asset - ground leases | $   $ 9,900,000     9,900,000        
Initial non cash lease liability - ground leases | $   $ 9,900,000     $ 9,900,000        
Facilities Sold                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties     49 21 69        
Skilled Nursing Facilities [Member]                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | facility     561            
Skilled Nursing Facilities [Member] | Ground Leases and/or Facility Leases [Member]                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | property     10            
Skilled Nursing Facilities [Member] | Facilities Sold                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties     45 14 64        
Skilled Nursing Facilities [Member] | Facilities Acquired                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | facility     8 6 9        
Skilled Nursing Facilities [Member] | Facilities Acquired | Texas                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | facility       2   8      
Assisted Living Facilities [Member]                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | facility     339            
Assisted Living Facilities [Member] | Ground Leases and/or Facility Leases [Member]                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | property     4            
Assisted Living Facilities [Member] | Facilities Sold                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties     4 6 2        
Assisted Living Facilities [Member] | Facilities Acquired                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | facility     62 108 21        
Assisted Living Facilities [Member] | Facilities Acquired | Texas                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | facility 2                
Assisted Living Facilities [Member] | Facilities Acquired | United Kingdom                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | facility 4 6     1   32 1 14
Office leases | Ground Leases and/or Facility Leases [Member]                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | facility     1            
Specialty [Member]                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | facility     16            
Specialty [Member] | Ground Leases and/or Facility Leases [Member]                  
Lessee, Lease, Description [Line Items]                  
Number of real estate properties | Office     1