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Trust Investments (Purchases and sales of investments in the perpetual care trusts) (Details) - Preneed Funeral Trust Investments - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Gain (Loss) on Securities [Line Items]        
Purchases $ 4,625 $ 233 $ 11,336 $ 644
Sales $ 4,529 $ 0 $ 15,433 $ 441