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Preneed Cemetery Receivables (Preneed cemetery receivables) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Allowance for Contract Cancellations [Roll Forward]    
Provision $ (389) $ (523)
Preneed Cemetery Receivables [Member]    
Allowance for Contract Cancellations [Roll Forward]    
Beginning balance 1,861  
Write-offs and cancellations (336)  
Provision (255)  
Ending balance $ 1,780