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Trust Investments (Preneed funeral trust investment security transactions) (Details) - Preneed Funeral Trust Investments [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Debt and Equity Securities, FV-NI [Line Items]
Unrealized Gain (Loss) on Investments	$ 9,319	$ (15,274)
Interest Income and Other, Net [Member]
Debt and Equity Securities, FV-NI [Line Items]
Investment income	369	258
Realized gain, net	3,871	2,551
Realized losses	(2,368)	(1,129)
Expenses and taxes	(196)	(97)
Decrease in deferred preneed funeral receipts held in trust	$ (10,995)	$ 13,691

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