Trust Investments (Preneed funeral trust investment security transactions) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Debt and Equity Securities, FV-NI [Line Items]
Total		$ 0		$ 0
Preneed Funeral Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Unrealized gains (losses), net	$ 1,911	(4,394)	$ (5,294)	(11,794)
Total	0	0	0	0
Preneed Funeral Trust Investments \| Interest Income and Other, Net
Debt and Equity Securities, FV-NI [Line Items]
Investment income	479	398	1,542	1,245
Expenses and taxes	(182)	(214)	(576)	(751)
Total	(2,262)	3,949	3,428	5,295
Realized gains	235	357	2,178	8,247
Realized losses	$ (181)	$ (96)	$ (1,278)	$ (2,242)

Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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