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Trust Investments (Cost and fair market values associated with preneed funeral trust investments) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Preneed Cemetery Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 107,755	$ 102,879
Unrealized Gains	5,030	11,679
Unrealized Losses	(11,989)	(16,031)
Fair Market Value	100,796	98,527
Preneed cemetery trust investments	$ 101,990	$ 99,461
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	93.50%	95.80%
Preneed Cemetery Trust Investments | Accrued investment income
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 1,194	$ 934
Fair Market Value	1,194	934
Preneed Funeral Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Cost	118,160	113,499
Unrealized Gains	4,521	10,938
Unrealized Losses	(10,369)	(14,042)
Fair Market Value	112,312	110,395
Preneed cemetery trust investments	$ 113,377	$ 111,247
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	95.10%	97.30%
Preneed Funeral Trust Investments | Accrued investment income
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 1,065	$ 852
Fair Market Value	1,065	852
Fair Value, Inputs, Level 1 | Preneed Cemetery Trust Investments | Cash and money market accounts
Debt and Equity Securities, FV-NI [Line Items]
Cost	21,052	9,643
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	21,052	9,643
Fair Value, Inputs, Level 1 | Preneed Cemetery Trust Investments | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	34,679	43,057
Unrealized Gains	2,459	9,466
Unrealized Losses	(5,314)	(7,935)
Fair Market Value	31,824	44,588
Fair Value, Inputs, Level 1 | Preneed Cemetery Trust Investments | Limited partnership fund
Debt and Equity Securities, FV-NI [Line Items]
Cost	3,611	3,575
Unrealized Gains	301	0
Unrealized Losses	0	(3)
Fair Market Value	3,912	3,572
Fair Value, Inputs, Level 1 | Preneed Cemetery Trust Investments | Equity
Debt and Equity Securities, FV-NI [Line Items]
Cost		553
Unrealized Gains		10
Unrealized Losses		(30)
Fair Market Value		533
Fair Value, Inputs, Level 1 | Preneed Funeral Trust Investments | Cash and money market accounts
Debt and Equity Securities, FV-NI [Line Items]
Cost	39,108	26,707
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	39,108	26,707
Fair Value, Inputs, Level 1 | Preneed Funeral Trust Investments | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	30,277	38,600
Unrealized Gains	2,170	8,858
Unrealized Losses	(4,557)	(6,855)
Fair Market Value	27,890	40,603
Fair Value, Inputs, Level 1 | Preneed Funeral Trust Investments | Limited partnership fund
Debt and Equity Securities, FV-NI [Line Items]
Cost	3,342	3,383
Unrealized Gains	278	0
Unrealized Losses	0	(2)
Fair Market Value	3,620	3,381
Fair Value, Inputs, Level 1 | Preneed Funeral Trust Investments | Equity
Debt and Equity Securities, FV-NI [Line Items]
Cost		401
Unrealized Gains		3
Unrealized Losses		(29)
Fair Market Value		375
Fair Value, Inputs, Level 1 | Preneed Funeral Trust Investments | U.S. Treasury Debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	405	451
Unrealized Gains	0	0
Unrealized Losses	(37)	(34)
Fair Market Value	368	417
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | U.S. agency obligations
Debt and Equity Securities, FV-NI [Line Items]
Cost	664	803
Unrealized Gains	0	1
Unrealized Losses	(56)	(51)
Fair Market Value	608	753
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Foreign debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	7,849	7,764
Unrealized Gains	1,454	1,371
Unrealized Losses	(14)	(17)
Fair Market Value	9,289	9,118
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	15,489	15,071
Unrealized Gains	257	342
Unrealized Losses	(2,508)	(3,657)
Fair Market Value	13,238	11,756
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Preferred stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	11,296	10,965
Unrealized Gains	492	473
Unrealized Losses	(1,790)	(1,572)
Fair Market Value	9,998	9,866
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Mortgage-backed securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	79	79
Unrealized Gains	0	0
Unrealized Losses	(7)	(7)
Fair Market Value	72	72
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Equity
Debt and Equity Securities, FV-NI [Line Items]
Cost	546
Unrealized Gains	33
Unrealized Losses	(21)
Fair Market Value	558
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Fixed income
Debt and Equity Securities, FV-NI [Line Items]
Cost	12,490	11,369
Unrealized Gains	34	16
Unrealized Losses	(2,279)	(2,759)
Fair Market Value	10,245	8,626
Fair Value, Inputs, Level 2 | Preneed Funeral Trust Investments | Foreign debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	7,217	7,300
Unrealized Gains	1,346	1,297
Unrealized Losses	(13)	(16)
Fair Market Value	8,550	8,581
Fair Value, Inputs, Level 2 | Preneed Funeral Trust Investments | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	13,931	13,848
Unrealized Gains	237	323
Unrealized Losses	(2,162)	(3,255)
Fair Market Value	12,006	10,916
Fair Value, Inputs, Level 2 | Preneed Funeral Trust Investments | Preferred stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	10,084	9,786
Unrealized Gains	455	442
Unrealized Losses	(1,645)	(1,468)
Fair Market Value	8,894	8,760
Fair Value, Inputs, Level 2 | Preneed Funeral Trust Investments | Equity
Debt and Equity Securities, FV-NI [Line Items]
Cost	397
Unrealized Gains	8
Unrealized Losses	(19)
Fair Market Value	386
Fair Value, Inputs, Level 2 | Preneed Funeral Trust Investments | Fixed Income Securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	10,353	9,513
Unrealized Gains	27	15
Unrealized Losses	(1,936)	(2,383)
Fair Market Value	8,444	7,145
Fair Value, Inputs, Level 2 | Preneed Funeral Trust Investments | Other Investments
Debt and Equity Securities, FV-NI [Line Items]
Cost	3,046	3,510
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	$ 3,046	$ 3,510

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