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Trust Investments (Preneed cemetery trust investment security transactions) (Details) - Preneed Cemetery Trust Investments [Member] - Interest Income and Other, Net [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Debt and Equity Securities, FV-NI [Line Items]
Investment income	$ 653	$ 414	$ 972	$ 985
Realized gain, net	1,619	2,363	3,535	3,821
Realized losses	(2,200)	(1,001)	(3,572)	(1,636)
Expenses and taxes	(438)	(407)	(625)	(685)
Increase (decrease) in deferred preneed cemetery receipts held in trust	$ 366	$ (1,369)	$ (310)	$ (2,485)

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