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Cemetery Perpetual Care Trusts Cemetry Perpetual Care Trusts, Textuals (Details) (USD $)
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net $ 650,000 $ 4,421,000
Cemetery Perpetual Care [Member]
   
Fair Value, Measurement with unobservable inputs, risk discount, low end of the range 0.00%  
Fair Value, Measurement with unobservable inputs, risk discount, high end of the range 60.00%  
Fair Value, Measurement with unobservable inputs, liquidity discount, low end of the range 0.00%  
Fair Value, Measurement with unobservable inputs, liquidity discount, high end of the range 25.00%  
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments 7,000,000  
Investment Earnings, Net 9,000,000 9,200,000
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net $ 1,000 $ 297,000