Trust Investments (Preneed cemetery trust investment security transactions) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt and Equity Securities, FV-NI [Line Items]
Total		$ 0		$ 0
Preneed Cemetery Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Unrealized gains (losses), net	$ 3,439	(15,977)	$ (8,714)	(9,100)
Total	0	0	0	0
Preneed Cemetery Trust Investments \| Interest Income and Other, Net
Debt and Equity Securities, FV-NI [Line Items]
Investment income	689	571	1,279	1,062
Expenses and taxes	(316)	(507)	(622)	(871)
Increase (decrease) in deferred preneed cemetery receipts held in trust	(4,271)	11,363	7,202	2,399
Realized gains	728	6,870	2,001	8,893
Realized losses	$ (269)	$ (2,320)	$ (1,146)	$ (2,383)

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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