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Trust Investments (Cost and fair market value associated with preneed funeral trust investments) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Preneed Cemetery Trust Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 100,457	$ 106,798
Unrealized Gains	6,166	6,562
Unrealized Losses	(18,319)	(16,223)
Fair Market Value	88,304	97,137
Preneed cemetery trust investments	$ 89,473	$ 98,269
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	87.90%	91.00%
Preneed Cemetery Trust Investments [Member] | Accrued investment income
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 1,169	$ 1,132
Fair Market Value	1,169	1,132
Preneed Funeral Trust Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	114,285	114,744
Unrealized Gains	5,938	5,792
Unrealized Losses	(16,523)	(13,515)
Fair Market Value	103,700	107,021
Preneed cemetery trust investments	$ 104,795	$ 107,995
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	90.70%	93.30%
Preneed Funeral Trust Investments [Member] | Accrued investment income
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 1,095	$ 974
Fair Market Value	1,095	974
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	4,677	10,434
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	4,677	10,434
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	39,861	42,929
Unrealized Gains	4,811	5,102
Unrealized Losses	(7,491)	(6,228)
Fair Market Value	37,181	41,803
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	23,031	29,641
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	23,031	29,641
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	484	484
Unrealized Gains	0	0
Unrealized Losses	(35)	(45)
Fair Market Value	449	439
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	36,620	36,478
Unrealized Gains	4,625	4,485
Unrealized Losses	(6,688)	(5,187)
Fair Market Value	34,557	35,776
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Equity
Debt and Equity Securities, FV-NI [Line Items]
Cost		326
Unrealized Gains		0
Unrealized Losses		(30)
Fair Market Value		296
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Foreign debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	11,679	12,241
Unrealized Gains	728	910
Unrealized Losses	(703)	(644)
Fair Market Value	11,704	12,507
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	15,241	15,066
Unrealized Gains	168	104
Unrealized Losses	(5,260)	(4,139)
Fair Market Value	10,149	11,031
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Preferred stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	12,012	12,560
Unrealized Gains	438	436
Unrealized Losses	(1,701)	(1,789)
Fair Market Value	10,749	11,207
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Mortgage-backed securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	79	79
Unrealized Gains	0	0
Unrealized Losses	(8)	(8)
Fair Market Value	71	71
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Fixed income
Debt and Equity Securities, FV-NI [Line Items]
Cost	11,803	12,324
Unrealized Gains	11	10
Unrealized Losses	(3,029)	(3,310)
Fair Market Value	8,785	9,024
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Equity
Debt and Equity Securities, FV-NI [Line Items]
Cost	572	362
Unrealized Gains	0	0
Unrealized Losses	(72)	(33)
Fair Market Value	500	329
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | U.S. agency obligations
Debt and Equity Securities, FV-NI [Line Items]
Cost	803	803
Unrealized Gains	0	0
Unrealized Losses	(55)	(72)
Fair Market Value	748	731
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Foreign debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	11,219	10,851
Unrealized Gains	709	818
Unrealized Losses	(661)	(555)
Fair Market Value	11,267	11,114
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	13,980	12,735
Unrealized Gains	156	89
Unrealized Losses	(4,787)	(3,443)
Fair Market Value	9,349	9,381
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Preferred stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	11,084	10,730
Unrealized Gains	426	391
Unrealized Losses	(1,621)	(1,564)
Fair Market Value	9,889	9,557
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Fixed Income Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	10,247	9,907
Unrealized Gains	11	9
Unrealized Losses	(2,667)	(2,691)
Fair Market Value	7,591	7,225
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Other Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	3,556	3,592
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	3,556	$ 3,592
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Equity
Debt and Equity Securities, FV-NI [Line Items]
Cost	431
Unrealized Gains	0
Unrealized Losses	(64)
Fair Market Value	$ 367

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