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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	Sep. 30, 2022	Dec. 31, 2021
Perpetual Care Trust Investments
Gain (Loss) on Securities [Line Items]
Cost	$ 69,743	$ 67,290
Unrealized Gains	2,300	8,794
Unrealized Losses	(12,146)	(4,373)
Fair Market Value	59,897	71,711
Preneed cemetery trust investments	$ 60,569	$ 72,400
Market value as a percentage of cost	85.90%	106.60%
Perpetual Care Trust Investments | Accrued investment income
Gain (Loss) on Securities [Line Items]
Cost	$ 672	$ 689
Fair Market Value	672	689
Preneed Funeral Trust Investments
Gain (Loss) on Securities [Line Items]
Cost	112,990	110,476
Unrealized Gains	3,094	10,961
Unrealized Losses	(14,888)	(5,296)
Fair Market Value	101,196	116,141
Preneed cemetery trust investments	$ 102,028	$ 116,973
Market value as a percentage of cost	89.60%	105.10%
Preneed Funeral Trust Investments | Accrued investment income
Gain (Loss) on Securities [Line Items]
Cost	$ 832	$ 832
Fair Market Value	832	832
Level 1 | Perpetual Care Trust Investments | Cash and money market accounts
Gain (Loss) on Securities [Line Items]
Cost	3,889	1,447
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	3,889	1,447
Level 1 | Perpetual Care Trust Investments | Common stock
Gain (Loss) on Securities [Line Items]
Cost	29,510	27,853
Unrealized Gains	1,651	4,990
Unrealized Losses	(5,289)	(3,008)
Fair Market Value	25,872	29,835
Level 1 | Preneed Funeral Trust Investments | Cash and money market accounts
Gain (Loss) on Securities [Line Items]
Cost	26,473	23,438
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	26,473	23,438
Level 1 | Preneed Funeral Trust Investments | Common stock
Gain (Loss) on Securities [Line Items]
Cost	39,081	36,694
Unrealized Gains	2,234	6,417
Unrealized Losses	(6,655)	(3,574)
Fair Market Value	34,660	39,537
Level 1 | Preneed Funeral Trust Investments | Equity
Gain (Loss) on Securities [Line Items]
Cost		26
Unrealized Gains		7
Unrealized Losses		0
Fair Market Value		33
Level 2 | Perpetual Care Trust Investments | Foreign debt
Gain (Loss) on Securities [Line Items]
Cost	7,872	10,949
Unrealized Gains	344	1,401
Unrealized Losses	(757)	(647)
Fair Market Value	7,459	11,703
Level 2 | Perpetual Care Trust Investments | Corporate debt
Gain (Loss) on Securities [Line Items]
Cost	9,705	9,139
Unrealized Gains	63	1,065
Unrealized Losses	(2,349)	(32)
Fair Market Value	7,419	10,172
Level 2 | Perpetual Care Trust Investments | Preferred stock
Gain (Loss) on Securities [Line Items]
Cost	9,673	9,742
Unrealized Gains	237	803
Unrealized Losses	(1,238)	(226)
Fair Market Value	8,672	10,319
Level 2 | Perpetual Care Trust Investments | Fixed Income Securities [Member]
Gain (Loss) on Securities [Line Items]
Cost		19
Unrealized Gains		5
Unrealized Losses		0
Fair Market Value		24
Level 2 | Perpetual Care Trust Investments | Other Investments
Gain (Loss) on Securities [Line Items]
Cost	8,895	8,141
Unrealized Gains	5	530
Unrealized Losses	(2,473)	(460)
Fair Market Value	6,427	8,211
Level 2 | Perpetual Care Trust Investments | Equity
Gain (Loss) on Securities [Line Items]
Cost	199
Unrealized Gains	0
Unrealized Losses	(40)
Fair Market Value	159
Level 2 | Preneed Funeral Trust Investments | Foreign debt
Gain (Loss) on Securities [Line Items]
Cost	10,018	14,936
Unrealized Gains	486	1,874
Unrealized Losses	(897)	(887)
Fair Market Value	9,607	15,923
Level 2 | Preneed Funeral Trust Investments | Corporate debt
Gain (Loss) on Securities [Line Items]
Cost	12,024	11,231
Unrealized Gains	32	1,223
Unrealized Losses	(2,772)	(46)
Fair Market Value	9,284	12,408
Level 2 | Preneed Funeral Trust Investments | Preferred stock
Gain (Loss) on Securities [Line Items]
Cost	10,898	11,001
Unrealized Gains	335	986
Unrealized Losses	(1,477)	(319)
Fair Market Value	9,756	11,668
Level 2 | Preneed Funeral Trust Investments | Fixed Income Securities [Member]
Gain (Loss) on Securities [Line Items]
Cost	10,028	9,396
Unrealized Gains	7	454
Unrealized Losses	(2,979)	(470)
Fair Market Value	7,056	9,380
Level 2 | Preneed Funeral Trust Investments | Other Investments
Gain (Loss) on Securities [Line Items]
Cost	3,635	3,754
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Market Value	3,635	$ 3,754
Level 2 | Preneed Funeral Trust Investments | Equity
Gain (Loss) on Securities [Line Items]
Cost	282
Unrealized Gains	0
Unrealized Losses	(57)
Fair Market Value	$ 225

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