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Trust Investments (Narrative) (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Preneed Cemetery Trust Investments    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost $ 101,637 $ 106,798
Preneed Funeral Trust Investments    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost $ 114,339 $ 114,744