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Trust Investments (Cost and fair market values associated with preneed cemetery trust investments) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Preneed Cemetery Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Total	$ 101,637	$ 106,798
Unrealized Gains	10,603	6,562
Unrealized Losses	(17,499)	(16,223)
Fair Market Value	94,741	97,137
Preneed cemetery trust investments	$ 95,632	$ 98,269
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	93.20%	91.00%
Preneed Cemetery Trust Investments | Accrued investment income
Debt and Equity Securities, FV-NI [Line Items]
Total	$ 891	$ 1,132
Fair Market Value	891	1,132
Preneed Funeral Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Total	114,339	114,744
Unrealized Gains	10,071	5,792
Unrealized Losses	(15,365)	(13,515)
Fair Market Value	109,045	107,021
Preneed cemetery trust investments	$ 109,863	$ 107,995
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	95.40%	93.30%
Preneed Funeral Trust Investments | Accrued investment income
Debt and Equity Securities, FV-NI [Line Items]
Total	$ 818	$ 974
Fair Market Value	818	974
Fair Value, Inputs, Level 1 | Preneed Cemetery Trust Investments | Cash and money market accounts
Debt and Equity Securities, FV-NI [Line Items]
Total	9,177	10,434
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	9,177	10,434
Fair Value, Inputs, Level 1 | Preneed Cemetery Trust Investments | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Total	40,264	42,929
Unrealized Gains	8,897	5,102
Unrealized Losses	(7,508)	(6,228)
Fair Market Value	41,653	41,803
Fair Value, Inputs, Level 1 | Preneed Cemetery Trust Investments | Limited partnership fund
Debt and Equity Securities, FV-NI [Line Items]
Total	3,572
Unrealized Gains	108
Unrealized Losses	0
Fair Market Value	3,680
Fair Value, Inputs, Level 1 | Preneed Funeral Trust Investments | Cash and money market accounts
Debt and Equity Securities, FV-NI [Line Items]
Total	27,984	29,641
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	27,984	29,641
Fair Value, Inputs, Level 1 | Preneed Funeral Trust Investments | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Total	36,309	36,478
Unrealized Gains	8,456	4,485
Unrealized Losses	(6,561)	(5,187)
Fair Market Value	38,204	35,776
Fair Value, Inputs, Level 1 | Preneed Funeral Trust Investments | Limited partnership fund
Debt and Equity Securities, FV-NI [Line Items]
Total	3,413
Unrealized Gains	103
Unrealized Losses	0
Fair Market Value	3,516
Fair Value, Inputs, Level 1 | Preneed Funeral Trust Investments | Equity
Debt and Equity Securities, FV-NI [Line Items]
Total		326
Unrealized Gains		0
Unrealized Losses		(30)
Fair Market Value		296
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | U.S. agency obligations
Debt and Equity Securities, FV-NI [Line Items]
Total	803	803
Unrealized Gains	0
Unrealized Losses	(75)	(72)
Fair Market Value	728	731
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Foreign debt
Debt and Equity Securities, FV-NI [Line Items]
Total	9,246	12,241
Unrealized Gains	959	910
Unrealized Losses	(351)	(644)
Fair Market Value	9,854	12,507
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Total	15,058	15,066
Unrealized Gains	109	104
Unrealized Losses	(4,872)	(4,139)
Fair Market Value	10,295	11,031
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Preferred stock
Debt and Equity Securities, FV-NI [Line Items]
Total	11,524	12,560
Unrealized Gains	528	436
Unrealized Losses	(1,466)	(1,789)
Fair Market Value	10,586	11,207
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Mortgage-backed securities
Debt and Equity Securities, FV-NI [Line Items]
Total	79	79
Unrealized Gains	0	0
Unrealized Losses	(9)	(8)
Fair Market Value	70	71
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Equity
Debt and Equity Securities, FV-NI [Line Items]
Total	553	362
Unrealized Gains	0	0
Unrealized Losses	(65)	(33)
Fair Market Value	488	329
Fair Value, Inputs, Level 2 | Preneed Cemetery Trust Investments | Fixed income
Debt and Equity Securities, FV-NI [Line Items]
Total	11,361	12,324
Unrealized Gains	2	10
Unrealized Losses	(3,153)	(3,310)
Fair Market Value	8,210	9,024
Fair Value, Inputs, Level 2 | Preneed Funeral Trust Investments | Foreign debt
Debt and Equity Securities, FV-NI [Line Items]
Total	8,680	10,851
Unrealized Gains	917	818
Unrealized Losses	(320)	(555)
Fair Market Value	9,277	11,114
Fair Value, Inputs, Level 2 | Preneed Funeral Trust Investments | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Total	13,540	12,735
Unrealized Gains	98	89
Unrealized Losses	(4,287)	(3,443)
Fair Market Value	9,351	9,381
Fair Value, Inputs, Level 2 | Preneed Funeral Trust Investments | Preferred stock
Debt and Equity Securities, FV-NI [Line Items]
Total	10,413	10,730
Unrealized Gains	495	391
Unrealized Losses	(1,380)	(1,564)
Fair Market Value	9,528	$ 9,557
Fair Value, Inputs, Level 2 | Preneed Funeral Trust Investments | Equity
Debt and Equity Securities, FV-NI [Line Items]
Total	405
Unrealized Gains	0
Unrealized Losses	(57)
Fair Market Value	$ 348

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