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Preneed Cemetery Receivables (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Preneed Cemetery Receivables [Abstract]    
Term of sales contract for cemetery interment rights, maximum (in Duration) 5 years  
Amount of receivables for preneed cemetery interment rights and related products and services presented in accounts receivables $ 12,285 $ 11,843
Amount of receivables for preneed cemetery interment rights and related products and services presented in preneed receivables $ 28,979 28,631
Unearned finance charges associated with receivables   $ 5,700
Past due notifications starting date (in Days) 15 days  
Accounts receivable allowance percentage on contracts past due 120 days or more (in Percent) 100.00%  
Number of days past due contractual payments are when they are provided for with a one hundred percent allowance (in Days) 90 days  
Percent of total receivables which are 120 days or more past due (in Percent) 4.70% 4.90%