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Preneed Trust Investments (Preneed cemetery trust investment security transactions) (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Fair value measurements, transfers between Level 1 and Level 2 $ 0  
Preneed Cemetery Trust Investments [Member] | Interest Income and Other, Net [Member]    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Investment income 291,000 $ 517,000
Realized gain, net 108,000 358,000
Realized losses (2,480,000) (798,000)
Expenses and taxes (343,000) (319,000)
Increase (decrease) in deferred preneed cemetery receipts held in trust $ 2,424,000 $ 242,000