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Preneed Trust Investments (Preneed cemetery trust investment security transactions) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Schedule of Trading Securities and Other Trading Assets [Line Items]
Fair value measurements, transfers between Level 1 and Level 2			$ 0
Preneed Cemetery Trust Investments [Member] | Interest Income and Other, Net [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Investment income	$ 474,000	$ 692,000	899,000	$ 1,281,000
Realized gain, net	18,000	1,395,000	871,000	2,215,000
Realized losses	(750,000)	(929,000)	(1,357,000)	(1,312,000)
Expenses and taxes	(221,000)	(332,000)	(272,000)	(877,000)
Increase (decrease) in deferred preneed cemetery receipts held in trust	$ 479,000	$ (826,000)	$ (141,000)	$ (1,307,000)

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