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Trust Investments (Cost and fair market values associated with the trust investments held in perpetual care trust) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Perpetual Care Trust Investments
Gain (Loss) on Securities [Line Items]
Cost	$ 25,317
Preneed funeral trust investments	$ 66,307	$ 72,400
Market value as a percentage of cost	90.40%	106.60%
Perpetual Care Trust Investments | Accrued Investment Income
Gain (Loss) on Securities [Line Items]
Cost	$ 806	$ 689
Fair Market Value	806	689
Perpetual Care Trust Investments | Trust Securities
Gain (Loss) on Securities [Line Items]
Cost	72,459	67,290
Unrealized Gains	4,476	8,794
Unrealized Losses	(11,434)	(4,373)
Fair Market Value	65,501	71,711
Preneed Cemetery Trust Investments
Gain (Loss) on Securities [Line Items]
Cost	106,798
Unrealized Gains	6,562
Unrealized Losses	(16,223)
Fair Market Value	97,137
Preneed cemetery trust investments	$ 98,269	$ 103,808
Market value as a percentage of cost	91.00%	106.20%
Preneed Cemetery Trust Investments | Foreign Debt
Gain (Loss) on Securities [Line Items]
Cost		$ 15,846
Unrealized Gains		2,025
Unrealized Losses		(953)
Fair Market Value		16,918
Preneed Cemetery Trust Investments | Corporate debt
Gain (Loss) on Securities [Line Items]
Cost		12,965
Unrealized Gains		1,374
Unrealized Losses		(49)
Fair Market Value		14,290
Preneed Cemetery Trust Investments | Preferred Stock
Gain (Loss) on Securities [Line Items]
Cost		12,455
Unrealized Gains		1,111
Unrealized Losses		(344)
Fair Market Value		13,222
Preneed Cemetery Trust Investments | Accrued Investment Income
Gain (Loss) on Securities [Line Items]
Cost	$ 1,132	944
Fair Market Value	1,132	944
Preneed Cemetery Trust Investments | Trust Securities
Gain (Loss) on Securities [Line Items]
Cost		96,817
Unrealized Gains		12,039
Unrealized Losses		(5,992)
Fair Market Value		102,864
Fair Value, Level 1 | Perpetual Care Trust Investments | Cash and cash equivalents
Gain (Loss) on Securities [Line Items]
Cost	5,326	1,447
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	5,326	1,447
Fair Value, Level 1 | Perpetual Care Trust Investments | Common Stock
Gain (Loss) on Securities [Line Items]
Cost	28,625	27,853
Unrealized Gains	3,443	4,990
Unrealized Losses	(4,297)	(3,008)
Fair Market Value	27,771	29,835
Fair Value, Level 1 | Preneed Cemetery Trust Investments | Cash and cash equivalents
Gain (Loss) on Securities [Line Items]
Cost	10,434	3,088
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	10,434	3,088
Fair Value, Level 1 | Preneed Cemetery Trust Investments | Common Stock
Gain (Loss) on Securities [Line Items]
Cost	42,929	40,992
Unrealized Gains	5,102	6,906
Unrealized Losses	(6,228)	(4,079)
Fair Market Value	41,803	43,819
Fair Value, Level 2 | Perpetual Care Trust Investments | Foreign Debt
Gain (Loss) on Securities [Line Items]
Cost	8,746	10,949
Unrealized Gains	600	1,401
Unrealized Losses	(470)	(647)
Fair Market Value	8,876	11,703
Fair Value, Level 2 | Perpetual Care Trust Investments | Corporate debt
Gain (Loss) on Securities [Line Items]
Cost	10,540	9,139
Unrealized Gains	118	1,065
Unrealized Losses	(2,961)	(32)
Fair Market Value	7,697	10,172
Fair Value, Level 2 | Perpetual Care Trust Investments | Preferred Stock
Gain (Loss) on Securities [Line Items]
Cost	9,831	9,742
Unrealized Gains	287	803
Unrealized Losses	(1,374)	(226)
Fair Market Value	8,744	10,319
Fair Value, Level 2 | Perpetual Care Trust Investments | Fixed income
Gain (Loss) on Securities [Line Items]
Cost	9,046	8,141
Unrealized Gains	26	530
Unrealized Losses	(2,310)	(460)
Fair Market Value	6,762	8,211
Fair Value, Level 2 | Perpetual Care Trust Investments | Equity Securities
Gain (Loss) on Securities [Line Items]
Cost	345
Unrealized Gains	2
Unrealized Losses	(22)
Fair Market Value	325
Fair Value, Level 2 | Preneed Cemetery Trust Investments | U.S. agency obligations
Gain (Loss) on Securities [Line Items]
Cost	803
Unrealized Gains	0
Unrealized Losses	(72)
Fair Market Value	731
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Foreign Debt
Gain (Loss) on Securities [Line Items]
Cost	12,241
Unrealized Gains	910
Unrealized Losses	(644)
Fair Market Value	12,507
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Corporate debt
Gain (Loss) on Securities [Line Items]
Cost	15,066
Unrealized Gains	104
Unrealized Losses	(4,139)
Fair Market Value	11,031
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Preferred Stock
Gain (Loss) on Securities [Line Items]
Cost	12,560
Unrealized Gains	436
Unrealized Losses	(1,789)
Fair Market Value	11,207
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Fixed income
Gain (Loss) on Securities [Line Items]
Cost	12,324	11,443
Unrealized Gains	10	615
Unrealized Losses	(3,310)	(567)
Fair Market Value	9,024	11,491
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Equity Securities
Gain (Loss) on Securities [Line Items]
Cost	362	28
Unrealized Gains	0	8
Unrealized Losses	(33)	0
Fair Market Value	329	$ 36
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Certificates of deposit
Gain (Loss) on Securities [Line Items]
Cost	79
Unrealized Gains	0
Unrealized Losses	(8)
Fair Market Value	$ 71

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