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Trust Investments (Cost and fair market value associated with preneed funeral trust investments) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Preneed Cemetery Trust Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 97,502	$ 96,817
Unrealized Gains	12,510	12,039
Unrealized Losses	(5,633)	(5,992)
Fair Market Value	104,379	102,864
Preneed cemetery trust investments	$ 105,459	$ 103,808
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	107.10%	106.20%
Preneed Cemetery Trust Investments [Member] | Accrued Investment Income [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 1,080	$ 944
Fair Market Value	1,080	944
Preneed Funeral Trust Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	109,121	110,476
Unrealized Gains	11,282	10,961
Unrealized Losses	(4,755)	(5,296)
Fair Market Value	115,648	116,141
Preneed cemetery trust investments	$ 116,605	$ 116,973
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent)	106.00%	105.10%
Preneed Funeral Trust Investments [Member] | Accrued Investment Income [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 957	$ 832
Fair Market Value	957	832
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	521	3,088
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	521	3,088
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	49,894	40,992
Unrealized Gains	9,592	6,906
Unrealized Losses	(2,898)	(4,079)
Fair Market Value	56,588	43,819
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	21,654	23,438
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	21,654	23,438
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	550
Unrealized Gains	0
Unrealized Losses	(16)
Fair Market Value	534
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	43,740	36,694
Unrealized Gains	8,691	6,417
Unrealized Losses	(2,432)	(3,574)
Fair Market Value	49,999	39,537
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Equity Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost		26
Unrealized Gains		7
Unrealized Losses		0
Fair Market Value		33
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Debt Security, Government, Non-US [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	9,729	15,846
Unrealized Gains	1,534	2,025
Unrealized Losses	(300)	(953)
Fair Market Value	10,963	16,918
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Corporate Debt [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	12,442	12,965
Unrealized Gains	623	1,374
Unrealized Losses	(843)	(49)
Fair Market Value	12,222	14,290
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Preferred Stock [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	12,509	12,455
Unrealized Gains	604	1,111
Unrealized Losses	(327)	(344)
Fair Market Value	12,786	13,222
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Mortgage-backed securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	79
Unrealized Gains	0
Unrealized Losses	(3)
Fair Market Value	76
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Fixed Income [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	11,497	11,443
Unrealized Gains	151	615
Unrealized Losses	(1,238)	(567)
Fair Market Value	10,410	11,491
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Equity Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	28	28
Unrealized Gains	6	8
Unrealized Losses	0	0
Fair Market Value	34	36
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Debt Security, Government, Non-US [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	8,733	14,936
Unrealized Gains	1,396	1,874
Unrealized Losses	(255)	(887)
Fair Market Value	9,874	15,923
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Corporate Debt [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	10,544	11,231
Unrealized Gains	548	1,223
Unrealized Losses	(732)	(46)
Fair Market Value	10,360	12,408
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Preferred Stock [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	10,850	11,001
Unrealized Gains	528	986
Unrealized Losses	(300)	(319)
Fair Market Value	11,078	11,668
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Fixed Income Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	9,308	9,396
Unrealized Gains	114	454
Unrealized Losses	(1,020)	(470)
Fair Market Value	8,402	9,380
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Other Investments [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	3,716	3,754
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	3,716	$ 3,754
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Equity Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	26
Unrealized Gains	5
Unrealized Losses	0
Fair Market Value	$ 31

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