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Preneed Trust Investments (Preneed cemetery trust investment security transactions) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Debt and Equity Securities, FV-NI [Line Items]
Fair value measurements, transfers between Level 1 and Level 2	$ 0
Preneed Cemetery Trust Investments [Member] | Interest Income and Other, Net [Member]
Debt and Equity Securities, FV-NI [Line Items]
Investment income	571,000	$ 425,000
Realized gain, net	1,458,000	853,000
Realized losses	(635,000)	(607,000)
Expenses and taxes	(278,000)	(51,000)
Increase (decrease) in deferred preneed cemetery receipts held in trust	$ (1,116,000)	$ (620,000)

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