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Trust Investments (Preneed cemetery trust investment security transactions) (Details) - Preneed Cemetery Trust Investments [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Debt and Equity Securities, FV-NI [Line Items]
Unrealized Gain (Loss) on Investments	$ (3,966)	$ 1,235	$ 4,893	$ (2,726)
Interest Income and Other, Net [Member]
Debt and Equity Securities, FV-NI [Line Items]
Investment income	441	449	1,570	1,421
Realized gain, net	2,207	2,857	16,315	6,392
Realized losses	(214)	(918)	(6,563)	(4,490)
Expenses and taxes	(546)	(357)	(1,308)	(982)
Increase (decrease) in deferred preneed cemetery receipts held in trust	$ 2,078	$ (3,266)	$ (14,907)	$ 385

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