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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], Other Interest Income [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Perpetual Care Trust Invesments [Member] | Other Interest Income [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Undistributable realized gains $ 24 $ 1,131
Undistributable realized losses (295) (52)
Increase in Care trusts' corpus $ 271 $ (1,079)