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Cemetery Perpetual Care Trust Investments (Perpetual care trust investment security transactions recorded in interest income and other, net) (Details) (Perpetual Care Trust Invesments [Member], Interest Income and Other, Net [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Perpetual Care Trust Invesments [Member] | Interest Income and Other, Net [Member]
       
Schedule of Trading Securities and Other Trading Assets [Line Items]        
Undistributable realized gains $ 634 $ 958 $ 1,721 $ 3,357
Undistributable realized losses (72) (539) (470) (1,618)
Increase in Care trusts' corpus $ (562) $ (419) $ (1,251) $ (1,739)