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Trust Investments (Cost and fair market values associated with preneed cemetery trust investments) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Preneed Cemetery Trust Investments |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Preneed cemetery trust investments | $ 98,269 | $ 103,808
Market value as a percentage of cost | 91.00% | 106.20%
Cost | $ 106,798 |
Unrealized Gains | 6,562 |
Unrealized Losses | (16,223) |
Fair Market Value | 97,137 |
Preneed Cemetery Trust Investments | Foreign Debt |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost |  | $ 15,846
Unrealized Gains |  | 2,025
Unrealized Losses |  | (953)
Fair Market Value |  | 16,918
Preneed Cemetery Trust Investments | Corporate debt |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost |  | 12,965
Unrealized Gains |  | 1,374
Unrealized Losses |  | (49)
Fair Market Value |  | 14,290
Preneed Cemetery Trust Investments | Preferred Stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost |  | 12,455
Unrealized Gains |  | 1,111
Unrealized Losses |  | (344)
Fair Market Value |  | 13,222
Preneed Cemetery Trust Investments | Accrued Investment Income |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 1,132 | 944
Fair Market Value | 1,132 | 944
Preneed Cemetery Trust Investments | Trust Securities |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost |  | 96,817
Unrealized Gains |  | 12,039
Unrealized Losses |  | (5,992)
Fair Market Value |  | 102,864
Preneed Funeral Trust Investments |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Preneed cemetery trust investments | $ 107,995 | $ 116,973
Market value as a percentage of cost | 93.30% | 105.10%
Cost | $ 114,744 | $ 110,476
Unrealized Gains | 5,792 | 10,961
Unrealized Losses | (13,515) | (5,296)
Fair Market Value | 107,021 | 116,141
Preneed Funeral Trust Investments | Accrued Investment Income |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 974 | 832
Fair Market Value | 974 | 832
Fair Value, Level 1 | Preneed Cemetery Trust Investments | Cash and Cash Equivalents |  |
Debt and Equity Securities, FV-NI [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 |  |
Debt and Equity Securities, FV-NI [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 1 | Preneed Funeral Trust Investments | Cash and Cash Equivalents |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 29,641 | 23,438
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | 29,641 | 23,438
Fair Value, Level 1 | Preneed Funeral Trust Investments | Common Stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 36,478 | 36,694
Unrealized Gains | 4,485 | 6,417
Unrealized Losses | (5,187) | (3,574)
Fair Market Value | 35,776 | 39,537
Fair Value, Level 2 | Preneed Cemetery Trust Investments | Foreign Debt |  |
Debt and Equity Securities, FV-NI [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 |  |
Debt and Equity Securities, FV-NI [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 |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 12,560 |
Unrealized Gains | 436 |
Unrealized Losses | (1,789) |
Fair Market Value | 11,207 |
Fair Value, Level 2 | Preneed Funeral Trust Investments | Foreign Debt |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 10,851 | 14,936
Unrealized Gains | 818 | 1,874
Unrealized Losses | (555) | (887)
Fair Market Value | 11,114 | 15,923
Fair Value, Level 2 | Preneed Funeral Trust Investments | Corporate debt |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 12,735 | 11,231
Unrealized Gains | 89 | 1,223
Unrealized Losses | (3,443) | (46)
Fair Market Value | 9,381 | 12,408
Fair Value, Level 2 | Preneed Funeral Trust Investments | Preferred Stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 10,730 | 11,001
Unrealized Gains | 391 | 986
Unrealized Losses | (1,564) | (319)
Fair Market Value | $ 9,557 | $ 11,668

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