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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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