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Preneed Trust Investments (Cost and fair market values associated with preneed funeral trust investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Preneed Cemetery Trust Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 72,703	$ 70,584
Unrealized Gains	3,519	1,523
Unrealized Losses	(4,638)	(8,133)
Fair Market Value	71,584	63,974
Preneed cemetery trust investments	$ 72,151	$ 64,549
Fair market value as a percentage of cost	98.50%	90.60%
Preneed Cemetery Trust Investments [Member] | Mortgage Backed Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost		$ 666
Unrealized Gains		161
Unrealized Losses		(14)
Fair Market Value		813
Preneed Cemetery Trust Investments [Member] | Accrued Investment Income [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 567	575
Fair Market Value	567	575
Preneed Funeral Trust Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	92,100	90,993
Unrealized Gains	3,317	1,450
Unrealized Losses	(4,518)	(8,177)
Fair Market Value	90,899	84,266
Preneed cemetery trust investments	$ 91,459	$ 84,803
Fair market value as a percentage of cost	98.70%	92.60%
Preneed Funeral Trust Investments [Member] | Accrued Investment Income [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 560	$ 537
Fair Market Value	560	537
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Cash and Money Market Accounts [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	9,544	16,194
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	9,544	16,194
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	28,895	24,867
Unrealized Gains	2,141	903
Unrealized Losses	(3,366)	(5,436)
Fair Market Value	27,670	20,334
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Cash and Money Market Accounts [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	25,145	31,375
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	25,145	31,375
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | U.S. Treasury Debt [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	944	1,319
Unrealized Gains	1	3
Unrealized Losses	(3)	(19)
Fair Market Value	942	1,303
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	28,227	24,803
Unrealized Gains	1,921	887
Unrealized Losses	(3,258)	(5,389)
Fair Market Value	26,890	20,301
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Debt Security, Government, Non-US [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	5,688	3,802
Unrealized Gains	107	43
Unrealized Losses	(273)	(511)
Fair Market Value	5,522	3,334
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Corporate Debt [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	13,492	13,987
Unrealized Gains	603	362
Unrealized Losses	(526)	(1,026)
Fair Market Value	13,569	13,323
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Preferred Stock [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	13,188	11,068
Unrealized Gains	620	54
Unrealized Losses	(334)	(1,146)
Fair Market Value	13,474	9,976
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Mortgage Backed Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	608
Unrealized Gains	11
Unrealized Losses	(81)
Fair Market Value	538
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Fixed Income [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	1,288
Unrealized Gains	37
Unrealized Losses	(58)
Fair Market Value	1,267
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Debt Security, Government, Non-US [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	5,683	3,748
Unrealized Gains	106	44
Unrealized Losses	(264)	(503)
Fair Market Value	5,525	3,289
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Corporate Debt [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	13,482	14,195
Unrealized Gains	595	294
Unrealized Losses	(525)	(1,025)
Fair Market Value	13,552	13,464
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Preferred Stock [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	13,543	11,500
Unrealized Gains	646	54
Unrealized Losses	(333)	(1,194)
Fair Market Value	13,856	10,360
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Mortgage Backed Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	698	772
Unrealized Gains	10	168
Unrealized Losses	(85)	(18)
Fair Market Value	623	922
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Fixed Income [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	1,419	275
Unrealized Gains	38	0
Unrealized Losses	(50)	(29)
Fair Market Value	1,407	246
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Other Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	2,959	3,006
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	$ 2,959	$ 3,006

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
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