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Receivables from Preneed Trusts Receivables from Preneed Trusts (Composition of Asset Held in Trusts) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Historical Cost Basis    
Investment Holdings [Line Items]    
Assets Held-in-trust $ 13,963 $ 13,205
Historical Cost Basis | Cash and Cash Equivalents    
Investment Holdings [Line Items]    
Assets Held-in-trust 2,898 2,834
Historical Cost Basis | Fixed Income Investments    
Investment Holdings [Line Items]    
Assets Held-in-trust 8,423 7,880
Historical Cost Basis | Mutual Funds And Common Stocks    
Investment Holdings [Line Items]    
Assets Held-in-trust 2,626 2,467
Historical Cost Basis | Annuities    
Investment Holdings [Line Items]    
Assets Held-in-trust 16 24
Fair Value    
Investment Holdings [Line Items]    
Assets Held-in-trust 13,965 13,337
Fair Value | Cash and Cash Equivalents    
Investment Holdings [Line Items]    
Assets Held-in-trust 2,898 2,834
Fair Value | Fixed Income Investments    
Investment Holdings [Line Items]    
Assets Held-in-trust 8,426 7,893
Fair Value | Mutual Funds And Common Stocks    
Investment Holdings [Line Items]    
Assets Held-in-trust 2,625 2,586
Fair Value | Annuities    
Investment Holdings [Line Items]    
Assets Held-in-trust $ 16 $ 24