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Trust Investments (Estimated maturities of fixed preneed cemetery trust income securities) (Details) - Preneed Cemetery Trust Investments
$ in Thousands
Dec. 31, 2023
USD ($)
Debt and Equity Securities, FV-NI [Line Items]  
Due in one year or less $ 140
Due in one to five years 9,177
Due in five to ten years 5,657
Thereafter 16,591
Cost 102,879
Total fixed income securities $ 31,565