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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, 2019	Dec. 31, 2018
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 97,047	$ 90,993
Unrealized Gains	5,672	1,450
Unrealized Losses	(4,173)	(8,177)
Fair Market Value	98,546	84,266
Preneed cemetery trust investments, at market value	$ 99,246	$ 84,803
Market value as a percentage of cost	101.50%	92.60%
Accrued investment income
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 700	$ 537
Fair Market Value	700	537
Fair Value, Level 1 | Cash and money market accounts
Debt and Equity Securities, FV-NI [Line Items]
Cost	24,160	31,375
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	24,160	31,375
Fair Value, Level 1 | U.S. treasury debt
Debt and Equity Securities, FV-NI [Line Items]
Cost		1,319
Unrealized Gains		3
Unrealized Losses		(19)
Fair Market Value		1,303
Fair Value, Level 1 | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	27,652	24,803
Unrealized Gains	2,773	887
Unrealized Losses	(2,869)	(5,389)
Fair Market Value	27,556	20,301
Fair Value, Level 2 | Municipal bonds
Debt and Equity Securities, FV-NI [Line Items]
Cost	822
Unrealized Gains	0
Unrealized Losses	0
Fair Market Value	822
Fair Value, Level 2 | Foreign Debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	5,587	3,748
Unrealized Gains	309	44
Unrealized Losses	(232)	(503)
Fair Market Value	5,664	3,289
Fair Value, Level 2 | Preferred stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	16,109	14,195
Unrealized Gains	992	294
Unrealized Losses	(646)	(1,025)
Fair Market Value	16,455	13,464
Fair Value, Level 2 | Preferred stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	14,094	11,500
Unrealized Gains	874	54
Unrealized Losses	(198)	(1,194)
Fair Market Value	14,770	10,360
Fair Value, Level 2 | Collateralized Mortgage Backed Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	585	772
Unrealized Gains	0	168
Unrealized Losses	(117)	(18)
Fair Market Value	468	922
Fair Value, Level 2 | Equity Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	772
Unrealized Gains	617
Unrealized Losses	(4)
Fair Market Value	1,385
Fair Value, Level 2 | Fixed Income Securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	4,364	275
Unrealized Gains	107	0
Unrealized Losses	(107)	(29)
Fair Market Value	4,364	246
Fair Value, Level 2 | Other investments
Debt and Equity Securities, FV-NI [Line Items]
Cost	2,902	3,006
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	$ 2,902	$ 3,006

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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
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