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Trust Investments (Preneed cemetery trust investment security transactions) (Details) - Preneed Cemetery Trust Investments [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Debt and Equity Securities, FV-NI [Line Items]
Unrealized Gain (Loss) on Investments	$ (849)	$ 12,343	$ 8,859	$ (3,961)
Interest Income and Other, Net [Member]
Debt and Equity Securities, FV-NI [Line Items]
Investment income	662	653	1,129	972
Realized gain, net	10,016	1,619	14,108	3,535
Realized losses	(3,831)	(2,200)	(6,349)	(3,572)
Expenses and taxes	(435)	(438)	(762)	(625)
Increase (decrease) in deferred preneed cemetery receipts held in trust	$ (5,563)	$ (11,977)	$ (16,985)	$ 3,651

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