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Trust Investments (Cost and fair market values associated with preneed cemetery trust investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Preneed Cemetery Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 102,879
Unrealized Gains	11,679
Unrealized Losses	(16,031)
Fair Market Value	98,527
Preneed cemetery trust investments	$ 99,461	$ 98,269
Market value as a percentage of cost	95.80%	91.00%
Preneed Cemetery Trust Investments | Foreign Debt
Debt and Equity Securities, FV-NI [Line Items]
Cost		$ 12,241
Unrealized Gains		910
Unrealized Losses		(644)
Fair Market Value		12,507
Preneed Cemetery Trust Investments | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Cost		15,066
Unrealized Gains		104
Unrealized Losses		(4,139)
Fair Market Value		11,031
Preneed Cemetery Trust Investments | Preferred Stock
Debt and Equity Securities, FV-NI [Line Items]
Cost		12,560
Unrealized Gains		436
Unrealized Losses		(1,789)
Fair Market Value		11,207
Preneed Cemetery Trust Investments | Trust Securities
Debt and Equity Securities, FV-NI [Line Items]
Cost		106,798
Unrealized Gains		6,562
Unrealized Losses		(16,223)
Fair Market Value		97,137
Preneed Cemetery Trust Investments | Mortgage-backed securities
Debt and Equity Securities, FV-NI [Line Items]
Cost		79
Unrealized Gains		0
Unrealized Losses		(8)
Fair Market Value		71
Preneed Cemetery Trust Investments | Accrued Investment Income
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 934	1,132
Fair Market Value	934	1,132
Preneed Funeral Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Cost	113,499	114,744
Unrealized Gains	10,938	5,792
Unrealized Losses	(14,042)	(13,515)
Fair Market Value	110,395	107,021
Preneed cemetery trust investments	$ 111,247	$ 107,995
Market value as a percentage of cost	97.30%	93.30%
Preneed Funeral Trust Investments | Accrued Investment Income
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 852	$ 974
Fair Market Value	852	$ 974
Perpetual Care Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 28,421
Market value as a percentage of cost	95.70%	90.40%
Perpetual Care Trust Investments | Trust Securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 88,251	$ 72,459
Unrealized Gains	10,043	4,476
Unrealized Losses	(13,810)	(11,434)
Fair Market Value	84,484	65,501
Perpetual Care Trust Investments | Accrued Investment Income
Debt and Equity Securities, FV-NI [Line Items]
Cost	847	806
Fair Market Value	847	806
Fair Value, Level 1 | Preneed Cemetery Trust Investments | Cash and Cash Equivalents
Debt and Equity Securities, FV-NI [Line Items]
Cost	9,643	10,434
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	9,643	10,434
Fair Value, Level 1 | Preneed Cemetery Trust Investments | Common Stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	43,057	42,929
Unrealized Gains	9,466	5,102
Unrealized Losses	(7,935)	(6,228)
Fair Market Value	44,588	41,803
Fair Value, Level 1 | Preneed Cemetery Trust Investments | Limited Partnership Fund
Debt and Equity Securities, FV-NI [Line Items]
Cost	3,575
Unrealized Gains	0
Unrealized Losses	(3)
Fair Market Value	3,572
Fair Value, Level 1 | Preneed Funeral Trust Investments | Cash and Cash Equivalents
Debt and Equity Securities, FV-NI [Line Items]
Cost	26,707	29,641
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	26,707	29,641
Fair Value, Level 1 | Preneed Funeral Trust Investments | U.S. treasury debt
Debt and Equity Securities, FV-NI [Line Items]
Cost		484
Unrealized Gains		0
Unrealized Losses		(45)
Fair Market Value		439
Fair Value, Level 1 | Preneed Funeral Trust Investments | Common Stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	38,600	36,478
Unrealized Gains	8,858	4,485
Unrealized Losses	(6,855)	(5,187)
Fair Market Value	40,603	35,776
Fair Value, Level 1 | Preneed Funeral Trust Investments | Limited Partnership Fund
Debt and Equity Securities, FV-NI [Line Items]
Cost	3,383
Unrealized Gains	0
Unrealized Losses	(2)
Fair Market Value	3,381
Fair Value, Level 1 | Perpetual Care Trust Investments | Cash and Cash Equivalents
Debt and Equity Securities, FV-NI [Line Items]
Cost	6,688	5,326
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	6,688	5,326
Fair Value, Level 1 | Perpetual Care Trust Investments | Common Stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	36,413	28,625
Unrealized Gains	8,098	3,443
Unrealized Losses	(6,580)	(4,297)
Fair Market Value	37,931	27,771
Fair Value, Level 1 | Perpetual Care Trust Investments | Limited Partnership Fund
Debt and Equity Securities, FV-NI [Line Items]
Cost	3,042
Unrealized Gains	0
Unrealized Losses	(2)
Fair Market Value	3,040
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Foreign Debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	7,764
Unrealized Gains	1,371
Unrealized Losses	(17)
Fair Market Value	9,118
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	15,071
Unrealized Gains	342
Unrealized Losses	(3,657)
Fair Market Value	11,756
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Preferred Stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	10,965
Unrealized Gains	473
Unrealized Losses	(1,572)
Fair Market Value	9,866
Fair Value, Level 2 | Preneed Cemetery Trust Investments | U.S. agency obligations
Debt and Equity Securities, FV-NI [Line Items]
Cost	803
Unrealized Gains	1
Unrealized Losses	(51)
Fair Market Value	753
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Equity Securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	553	362
Unrealized Gains	10	0
Unrealized Losses	(30)	(33)
Fair Market Value	533	329
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Fixed income
Debt and Equity Securities, FV-NI [Line Items]
Cost	11,369	12,324
Unrealized Gains	16	10
Unrealized Losses	(2,759)	(3,310)
Fair Market Value	8,626	9,024
Fair Value, Level 2 | Preneed Funeral Trust Investments | Foreign Debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	7,300	10,851
Unrealized Gains	1,297	818
Unrealized Losses	(16)	(555)
Fair Market Value	8,581	11,114
Fair Value, Level 2 | Preneed Funeral Trust Investments | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	13,848	12,735
Unrealized Gains	323	89
Unrealized Losses	(3,255)	(3,443)
Fair Market Value	10,916	9,381
Fair Value, Level 2 | Preneed Funeral Trust Investments | Preferred Stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	9,786	10,730
Unrealized Gains	442	391
Unrealized Losses	(1,468)	(1,564)
Fair Market Value	8,760	9,557
Fair Value, Level 2 | Preneed Funeral Trust Investments | Equity Securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	401	326
Unrealized Gains	3	0
Unrealized Losses	(29)	(30)
Fair Market Value	375	296
Fair Value, Level 2 | Preneed Funeral Trust Investments | Fixed Income Securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	9,513	9,907
Unrealized Gains	15	9
Unrealized Losses	(2,383)	(2,691)
Fair Market Value	7,145	7,225
Fair Value, Level 2 | Preneed Funeral Trust Investments | Other investments
Debt and Equity Securities, FV-NI [Line Items]
Cost	3,510	3,592
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	3,510	3,592
Fair Value, Level 2 | Perpetual Care Trust Investments | Foreign Debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	7,101	8,746
Unrealized Gains	1,177	600
Unrealized Losses	(18)	(470)
Fair Market Value	8,260	8,876
Fair Value, Level 2 | Perpetual Care Trust Investments | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	13,491	10,540
Unrealized Gains	334	118
Unrealized Losses	(3,367)	(2,961)
Fair Market Value	10,458	7,697
Fair Value, Level 2 | Perpetual Care Trust Investments | Preferred Stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	10,723	9,831
Unrealized Gains	415	287
Unrealized Losses	(1,435)	(1,374)
Fair Market Value	9,703	8,744
Fair Value, Level 2 | Perpetual Care Trust Investments | Equity Securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	467	345
Unrealized Gains	5	2
Unrealized Losses	(26)	(22)
Fair Market Value	446	325
Fair Value, Level 2 | Perpetual Care Trust Investments | Fixed income
Debt and Equity Securities, FV-NI [Line Items]
Cost	10,326	9,046
Unrealized Gains	14	26
Unrealized Losses	(2,382)	(2,310)
Fair Market Value	$ 7,958	$ 6,762

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