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Investment in Unconsolidated Joint Ventures - ADC Arrangement (Details) - Combination ALF, MC and ILF community - ADC Arrangement
12 Months Ended
Dec. 31, 2015
USD ($)
item
Investment in Unconsolidated Joint Ventures  
Loans Receivable with Variable Rates of Interest | $ $ 2,900,000
Number of units | item 99
Interest rate period 2 years
Investment interest rate, after first two years (as a percent) 15.00%
Minimum  
Investment in Unconsolidated Joint Ventures  
Investment interest rate, first two years (as a percent) 10.00%
Maximum  
Investment in Unconsolidated Joint Ventures  
Investment interest rate, first two years (as a percent) 12.00%