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Trust Investments (Preneed funeral trust investment security transactions) (Details) - Preneed Funeral Trust Investments [Member] - Interest Income and Other, Net [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Debt and Equity Securities, FV-NI [Line Items]
Investment income	$ 258	$ 573
Realized gain, net	2,551	1,320
Realized losses	(1,129)	(583)
Expenses and taxes	(97)	(228)
Decrease in deferred preneed funeral receipts held in trust	$ (1,583)	$ (1,082)

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