Subsequent Events - Leases (Details)
$ in Thousands
Mar. 01, 2016
USD ($)
operator
Jan. 31, 2016
property
state
Dec. 31, 2015
USD ($)
state
Dec. 31, 2014
USD ($)
Subsequent Event [Line Items]        
Number of states | state     36  
Master lease rent receivable     $ 29,727 $ 9,491
Lease receivable in first year     328,315  
Lease receivable in second year     325,260  
Lease receivable in third year     330,646  
Triple Net Lease, in default | Skilled Nursing Facilities        
Subsequent Event [Line Items]        
Master lease rent receivable     $ 11,500  
Subsequent Event | Skilled Nursing Facilities        
Subsequent Event [Line Items]        
Lease receivable in first year $ 7,000      
Lease receivable in second year 8,500      
Lease receivable in third year 9,500      
Subsequent Event | Triple Net Lease, in default | Skilled Nursing Facilities        
Subsequent Event [Line Items]        
Number of states | state   5    
Subsequent Event | Triple Net Lease, Replacement        
Subsequent Event [Line Items]        
Working capital loan, part of agreement 13,000      
Secured loan receivable $ 7,300      
Subsequent Event | Triple Net Lease, Replacement | Skilled Nursing Facilities        
Subsequent Event [Line Items]        
Number of real estate properties | property   14    
Number of replacement operators | operator 2