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Trust Investments (Cost and fair market values associated with the trust investments held in perpetual care trust) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Perpetual Care Trust Invesments [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	$ 67,865	$ 65,665
Unrealized Gains	9,486	11,128
Unrealized Losses	(2,669)	(6,773)
Fair Market Value	74,682	70,020
Preneed cemetery trust investments	$ 75,290	$ 70,828
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	110.00%	106.60%
Perpetual Care Trust Invesments [Member] | Accrued Investment Income [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	$ 608	$ 808
Fair Market Value	608	808
Preneed Funeral Trust Investments [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	103,994	97,700
Unrealized Gains	11,156	13,125
Unrealized Losses	(2,950)	(7,570)
Fair Market Value	112,200	103,255
Preneed cemetery trust investments	$ 112,910	$ 104,166
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	107.90%	105.70%
Preneed Funeral Trust Investments [Member] | Accrued Investment Income [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	$ 710	$ 911
Fair Market Value	710	911
Fair Value, Inputs, Level 1 [Member] | Perpetual Care Trust Invesments [Member] | Cash and Money Market Accounts [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	1,300	686
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	1,300	686
Fair Value, Inputs, Level 1 [Member] | Perpetual Care Trust Invesments [Member] | Common stock
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	25,978	23,662
Unrealized Gains	4,281	6,108
Unrealized Losses	(1,921)	(5,255)
Fair Market Value	28,338	24,515
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Cash and Money Market Accounts [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	18,865	18,478
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	18,865	18,478
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Common stock
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	32,709	28,327
Unrealized Gains	5,051	7,364
Unrealized Losses	(2,105)	(6,052)
Fair Market Value	35,655	29,639
Fair Value, Inputs, Level 2 [Member] | Perpetual Care Trust Invesments [Member] | Debt Security, Government, Non-US [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	12,824	12,539
Unrealized Gains	1,898	1,641
Unrealized Losses	(374)	(582)
Fair Market Value	14,348	13,598
Fair Value, Inputs, Level 2 [Member] | Perpetual Care Trust Invesments [Member] | Corporate debt
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	9,551	11,684
Unrealized Gains	1,372	1,506
Unrealized Losses	(5)	(240)
Fair Market Value	10,918	12,950
Fair Value, Inputs, Level 2 [Member] | Perpetual Care Trust Invesments [Member] | Preferred Stock [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	10,085	10,444
Unrealized Gains	842	819
Unrealized Losses	(208)	(355)
Fair Market Value	10,719	10,908
Fair Value, Inputs, Level 2 [Member] | Perpetual Care Trust Invesments [Member] | Mortgage-backed securities
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis		206
Unrealized Gains		0
Unrealized Losses		(121)
Fair Market Value		85
Fair Value, Inputs, Level 2 [Member] | Perpetual Care Trust Invesments [Member] | Other Investments [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	8,127	6,444
Unrealized Gains	1,093	1,054
Unrealized Losses	(161)	(220)
Fair Market Value	9,059	7,278
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Debt Security, Government, Non-US [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	16,774	15,144
Unrealized Gains	2,429	2,018
Unrealized Losses	(465)	(634)
Fair Market Value	18,738	16,528
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Corporate debt
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	11,113	13,292
Unrealized Gains	1,525	1,638
Unrealized Losses	(6)	(310)
Fair Market Value	12,632	14,620
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Preferred Stock [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	10,947	10,944
Unrealized Gains	983	900
Unrealized Losses	(280)	(298)
Fair Market Value	11,650	11,546
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Mortgage-backed securities
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis		293
Unrealized Gains		1
Unrealized Losses		(155)
Fair Market Value		139
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Fixed Income Securities [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	8,913	6,475
Unrealized Gains	1,168	1,198
Unrealized Losses	(94)	(121)
Fair Market Value	9,987	7,552
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Other Investments [Member]
Gain (Loss) on Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	3,856	3,928
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	$ 3,856	$ 3,928

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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=121645371&loc=d3e27161-111563

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