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Trust Investments (Cost and fair market value associated with preneed funeral trust investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Preneed Cemetery Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 102,771	$ 96,817
Unrealized Gains	4,373	12,039
Unrealized Losses	(13,473)	(5,992)
Fair Market Value	93,671	102,864
Preneed cemetery trust investments	$ 94,435	$ 103,808
Market value as a percentage of cost	91.10%	106.20%
Preneed Cemetery Trust Investments | Accrued investment income
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 764	$ 944
Fair Market Value	764	944
Preneed Funeral Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Cost	112,969	110,476
Unrealized Gains	3,940	10,961
Unrealized Losses	(11,340)	(5,296)
Fair Market Value	105,569	116,141
Preneed cemetery trust investments	$ 106,232	$ 116,973
Market value as a percentage of cost	93.40%	105.10%
Preneed Funeral Trust Investments | Accrued investment income
Debt and Equity Securities, FV-NI [Line Items]
Cost	$ 663	$ 832
Fair Market Value	663	832
Level 1 | Preneed Cemetery Trust Investments | Cash and money market accounts
Debt and Equity Securities, FV-NI [Line Items]
Cost	11,852	3,088
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	11,852	3,088
Level 1 | Preneed Cemetery Trust Investments | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	40,998	40,992
Unrealized Gains	3,160	6,906
Unrealized Losses	(5,560)	(4,079)
Fair Market Value	38,598	43,819
Level 1 | Preneed Funeral Trust Investments | Cash and money market accounts
Debt and Equity Securities, FV-NI [Line Items]
Cost	31,673	23,438
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	31,673	23,438
Level 1 | Preneed Funeral Trust Investments | Common stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	35,408	36,694
Unrealized Gains	2,851	6,417
Unrealized Losses	(4,665)	(3,574)
Fair Market Value	33,594	39,537
Level 1 | Preneed Funeral Trust Investments | Equity
Debt and Equity Securities, FV-NI [Line Items]
Cost		26
Unrealized Gains		7
Unrealized Losses		0
Fair Market Value		33
Level 2 | Preneed Cemetery Trust Investments | Foreign debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	10,914	15,846
Unrealized Gains	752	2,025
Unrealized Losses	(791)	(953)
Fair Market Value	10,875	16,918
Level 2 | Preneed Cemetery Trust Investments | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	13,837	12,965
Unrealized Gains	214	1,374
Unrealized Losses	(2,869)	(49)
Fair Market Value	11,182	14,290
Level 2 | Preneed Cemetery Trust Investments | Preferred stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	12,647	12,455
Unrealized Gains	224	1,111
Unrealized Losses	(1,324)	(344)
Fair Market Value	11,547	13,222
Level 2 | Preneed Cemetery Trust Investments | Mortgage-backed securities
Debt and Equity Securities, FV-NI [Line Items]
Cost	79
Unrealized Gains	0
Unrealized Losses	(5)
Fair Market Value	74
Level 2 | Preneed Cemetery Trust Investments | Fixed income
Debt and Equity Securities, FV-NI [Line Items]
Cost	11,612	11,443
Unrealized Gains	23	615
Unrealized Losses	(2,875)	(567)
Fair Market Value	8,760	11,491
Level 2 | Preneed Cemetery Trust Investments | Equity
Debt and Equity Securities, FV-NI [Line Items]
Cost	29	28
Unrealized Gains	0	8
Unrealized Losses	(3)	0
Fair Market Value	26	36
Level 2 | Preneed Funeral Trust Investments | Foreign debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	9,728	14,936
Unrealized Gains	681	1,874
Unrealized Losses	(684)	(887)
Fair Market Value	9,725	15,923
Level 2 | Preneed Funeral Trust Investments | Corporate debt
Debt and Equity Securities, FV-NI [Line Items]
Cost	11,713	11,231
Unrealized Gains	185	1,223
Unrealized Losses	(2,394)	(46)
Fair Market Value	9,504	12,408
Level 2 | Preneed Funeral Trust Investments | Preferred stock
Debt and Equity Securities, FV-NI [Line Items]
Cost	10,881	11,001
Unrealized Gains	203	986
Unrealized Losses	(1,181)	(319)
Fair Market Value	9,903	$ 11,668
Level 2 | Preneed Funeral Trust Investments | Equity
Debt and Equity Securities, FV-NI [Line Items]
Cost	26
Unrealized Gains	0
Unrealized Losses	(2)
Fair Market Value	$ 24

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