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Investment In Preferred Stock, At Cost (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Sep. 30, 1998
Investment income and other $ 1,052,000 $ 1,060,000  
Investment in cumulative preferred stock of LTC properties     2,000,000
Original cost of cost method investments 38,132,000    
Preferred Dividends [Member]
     
Investment income and other   $ 818,125