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Cemetery Perpetual Care Trust Investments (Purchases and sales of investments in perpetual care trusts) (Details) (Perpetual Care Trust Invesments [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Perpetual Care Trust Invesments [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Purchases $ (2,587) $ (16,217)
Sales $ 3,121 $ 16,621