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Summary of Significant Accounting Policies Accounts Receivable and Deferred Revenue (Details) - Resident Fees and Services [Member] - USD ($)
12 Months Ended
Dec. 31, 2018
Jan. 01, 2018
Contract with Customer, Asset and Liability [Line Items]    
Accounts Receivable, Net - Resident Fees and Services $ 6,742,000 $ 1,165,000
Increase (Decrease) 5,577,000  
Medicaid [Member]    
Contract with Customer, Asset and Liability [Line Items]    
Accounts Receivable, Net - Resident Fees and Services 6,098,000 827,000
Increase (Decrease) 5,271,000  
Private and Other Payors [Member]    
Contract with Customer, Asset and Liability [Line Items]    
Accounts Receivable, Net - Resident Fees and Services 644,000 $ 338,000
Increase (Decrease) $ 306,000