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Receivables (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts Receivable, Allowance for Credit Loss $ 1,287 $ 849  
Unearned Finance Charges Included In Receivables 4,348 4,522  
Provision for bad debt and credit losses $ 2,318 1,618 $ 1,841
Accounts and Financing Receivable, Allowance, Percentage of Face Value 60.00%    
Funeral And Cemetery [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Provision for bad debt and credit losses   1,100  
Preneed Cemetery Receivables      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts Receivable, Allowance for Credit Loss $ 1,644 1,290  
Provision for bad debt and credit losses $ 701 $ 500 $ 700