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Receivables Amortized cost basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]    
2020 $ 21,057  
2019 12,168  
2018 7,646  
2017 3,776  
2016 1,699  
Prior 1,749  
Receivables From Preneed Funeral Trust Gross $ 48,095 $ 42,874