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Cemetery Perpetual Care Trust Investments (The Components of Care trusts' corpus) (Details) - USD ($)
 3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Care trusts’ corpus $ 47,250,000 $ 46,290,000
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 market value 47,716,000 46,889,000
Obligations due from trust (466,000) (599,000)
Care trusts’ corpus $ 47,250,000 $ 46,290,000