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Preneed Trust Investments (Cost and fair market values associated with preneed funeral trust investments) (Details) - Preneed Funeral Trust Investments - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 90,993	$ 88,638
Unrealized Gains	1,450	7,574
Unrealized Losses	(8,177)	(3,610)
Fair Market Value	84,266	92,602
Preneed cemetery trust investments, at market value	$ 84,803	$ 93,341
Market value as a percentage of cost	92.60%	104.50%
Accrued investment income
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 537	$ 739
Fair Market Value	537	739
Fair Value, Level 1 | Cash and money market accounts
Debt and Equity Securities, FV-NI [Line Items]
Cost	31,375	14,349
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	31,375	14,349
Fair Value, Level 1 | U.S. treasury debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	1,319	1,490
Unrealized Gains	3	10
Unrealized Losses	(19)	(15)
Fair Market Value	1,303	1,485
Fair Value, Level 1 | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	24,803	26,129
Unrealized Gains	887	5,253
Unrealized Losses	(5,389)	(2,468)
Fair Market Value	20,301	28,914
Fair Value, Level 2 | Municipal bonds
Debt and Equity Securities, FV-NI [Line Items]
Cost		0
Unrealized Gains		0
Unrealized Losses		0
Fair Market Value		0
Fair Value, Level 2 | Foreign Debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	3,748	4,870
Unrealized Gains	44	298
Unrealized Losses	(503)	(189)
Fair Market Value	3,289	4,979
Fair Value, Level 2 | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	14,195	18,963
Unrealized Gains	294	1,197
Unrealized Losses	(1,025)	(278)
Fair Market Value	13,464	19,882
Fair Value, Level 2 | Preferred stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	11,500	16,335
Unrealized Gains	54	501
Unrealized Losses	(1,194)	(585)
Fair Market Value	10,360	16,251
Fair Value, Level 2 | Collateralized Mortgage Backed Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	772	1,187
Unrealized Gains	168	263
Unrealized Losses	(18)	(27)
Fair Market Value	922	1,423
Fair Value, Level 2 | Fixed Income Securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	275	1,974
Unrealized Gains	0	52
Unrealized Losses	(29)	(48)
Fair Market Value	246	1,978
Fair Value, Level 2 | Other investments
Debt and Equity Securities, FV-NI [Line Items]
Cost	3,006	3,341
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	$ 3,006	$ 3,341

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Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer, before allowance for related contract cancellations.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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