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Cemetery Perpetual Care Trusts Cemetery Perpetual Care Trusts, Textuals (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net $ 375,000 $ 344,000 $ 2,507,000 $ 1,764,000  
Cemetery Perpetual Care [Member]
         
Fair Value, Measurement with unobservable inputs, risk discount, low end of the range 0.00%   0.00%   0.00%
Fair Value, Measurement with unobservable inputs, risk discount, high end of the range 20.00%   20.00%   60.00%
Fair Value, Measurement with unobservable inputs, liquidity discount, low end of the range 0.00%   0.00%   0.00%
Fair Value, Measurement with unobservable inputs, liquidity discount, high end of the range 10.00%   10.00%   25.00%
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments 1,400,000   1,400,000    
Investment Earnings, Net 9,500,000 10,500,000 31,200,000 29,600,000  
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net $ 0 $ 4,000 $ 189,000 $ 258,000