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Cemetery Perpetual Care Trust Investments (The Components of Care trusts' corpus) (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Care trusts' corpus $ (47,083,000) $ (45,920,000)
Fair value measurements, transfers between Level 1 and Level 2 0  
Perpetual Care Trust Invesments [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trust assets, at fair value 47,165,000 46,542,000
Obligations due to trust (82,000) (622,000)
Care trusts' corpus $ 47,083,000 $ 45,920,000