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Preneed 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		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Debt and Equity Securities, FV-NI [Line Items]
Investment income	$ 328	$ 362	$ 1,310	$ 1,253
Realized gain, net	1,114	1,425	4,920	4,332
Realized losses	(1,540)	(1,232)	(1,964)	(2,623)
Expenses and taxes	(226)	(190)	(511)	(668)
Decrease in deferred preneed funeral receipts held in trust	$ 324	$ (365)	$ (3,755)	$ (2,294)

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