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Trust Investments (Cost and fair market value associated with preneed funeral trust investments) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Preneed Cemetery Trust Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 78,465	$ 73,009
Unrealized Gains	2,323	5,098
Unrealized Losses	(18,628)	(4,272)
Fair Market Value	62,160	73,835
Preneed cemetery trust investments	$ 63,130	$ 74,572
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	79.20%	101.10%
Preneed Cemetery Trust Investments [Member] | Mortgage-backed securities
Debt and Equity Securities, FV-NI [Line Items]
Cost		$ 517
Unrealized Gains		0
Unrealized Losses		(114)
Fair Market Value		403
Preneed Cemetery Trust Investments [Member] | Accrued Investment Income [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 970	737
Fair Market Value	970	737
Preneed Funeral Trust Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	98,670	97,047
Unrealized Gains	2,318	5,672
Unrealized Losses	(17,592)	(4,173)
Fair Market Value	83,396	98,546
Preneed cemetery trust investments	$ 84,337	$ 99,246
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	84.50%	101.50%
Preneed Funeral Trust Investments [Member] | Accrued Investment Income [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 941	$ 700
Fair Market Value	941	700
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	3,516	5,729
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	3,516	5,729
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	34,456	28,569
Unrealized Gains	1,646	2,766
Unrealized Losses	(11,022)	(3,017)
Fair Market Value	25,080	28,318
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	22,033	24,160
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	22,033	24,160
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	820	822
Unrealized Gains	17	0
Unrealized Losses	0	0
Fair Market Value	837	822
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	32,946	27,652
Unrealized Gains	1,648	2,773
Unrealized Losses	(10,383)	(2,869)
Fair Market Value	24,211	27,556
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | 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, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Debt Security, Government, Non-US [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	8,294	5,609
Unrealized Gains	180	312
Unrealized Losses	(1,687)	(243)
Fair Market Value	6,787	5,678
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Corporate Debt [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	15,474	16,916
Unrealized Gains	301	1,044
Unrealized Losses	(2,979)	(649)
Fair Market Value	12,796	17,311
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Preferred Stock [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	13,691	14,206
Unrealized Gains	35	904
Unrealized Losses	(2,289)	(164)
Fair Market Value	11,437	14,946
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Mortgage-backed securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	451
Unrealized Gains	0
Unrealized Losses	(251)
Fair Market Value	200
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Fixed Income [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	2,583	1,463
Unrealized Gains	161	72
Unrealized Losses	(400)	(85)
Fair Market Value	2,344	1,450
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	8,185	5,587
Unrealized Gains	180	309
Unrealized Losses	(1,631)	(232)
Fair Market Value	6,734	5,664
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Corporate Debt [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	14,374	16,109
Unrealized Gains	290	992
Unrealized Losses	(2,826)	(646)
Fair Market Value	11,838	16,455
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Preferred Stock [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	13,127	14,094
Unrealized Gains	21	874
Unrealized Losses	(2,198)	(198)
Fair Market Value	10,950	14,770
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Mortgage-backed securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	503	585
Unrealized Gains	0	0
Unrealized Losses	(252)	(117)
Fair Market Value	251	468
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Fixed Income Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	2,519	4,364
Unrealized Gains	162	107
Unrealized Losses	(302)	(107)
Fair Market Value	2,379	4,364
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Other Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	4,163	2,902
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	$ 4,163	$ 2,902

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