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Real Estate Investments - Held-For-Sale Properties (Details)
12 Months Ended
Dec. 31, 2022
USD ($)
item
property
Dec. 31, 2021
USD ($)
Real Estate Properties [Line Items]    
Accumulated depreciation $ 389,182,000 $ 374,606,000
Kentucky    
Real Estate Properties [Line Items]    
Impairment loss from investments in unconsolidated joint ventures $ 1,286,000  
ALF | Kentucky    
Real Estate Properties [Line Items]    
Number of Properties | property 1  
Number of Beds/units | item 60  
Gross Investment $ 13,015,000  
Accumulated depreciation 2,305,000  
Impairment loss from investments in unconsolidated joint ventures $ 1,286,000