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Trust Investments (Cost and fair market values associated with preneed cemetery trust investments) (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Preneed Cemetery Trust Investments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | $ 97,502 | $ 96,817
Unrealized Gains | 12,510 | 12,039
Unrealized Losses | (5,633) | (5,992)
Fair Market Value | 104,379 | 102,864
Preneed cemetery trust investments | $ 105,459 | $ 103,808
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent) | 107.10% | 106.20%
Preneed Cemetery Trust Investments [Member] | Accrued Investment Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | $ 1,080 | $ 944
Fair Market Value | 1,080 | 944
Preneed Funeral Trust Investments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 109,121 | 110,476
Unrealized Gains | 11,282 | 10,961
Unrealized Losses | (4,755) | (5,296)
Fair Market Value | 115,648 | 116,141
Preneed cemetery trust investments | $ 116,605 | $ 116,973
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent) | 106.00% | 105.10%
Preneed Funeral Trust Investments [Member] | Accrued Investment Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | $ 957 | $ 832
Fair Market Value | 957 | 832
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Cash and money market accounts [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 521 | 3,088
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | 521 | 3,088
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Common stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 49,894 | 40,992
Unrealized Gains | 9,592 | 6,906
Unrealized Losses | (2,898) | (4,079)
Fair Market Value | 56,588 | 43,819
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Cash and money market accounts [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 21,654 | 23,438
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | 21,654 | 23,438
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Common stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 43,740 | 36,694
Unrealized Gains | 8,691 | 6,417
Unrealized Losses | (2,432) | (3,574)
Fair Market Value | 49,999 | 39,537
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Equity Securities [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total |  | 26
Unrealized Gains |  | 7
Unrealized Losses |  | 0
Fair Market Value |  | 33
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | US Government Agencies Debt Securities |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 803 |
Unrealized Gains | 0 |
Unrealized Losses | (24) |
Fair Market Value | 779 |
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Debt Security, Government, Non-US [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 9,729 | 15,846
Unrealized Gains | 1,534 | 2,025
Unrealized Losses | (300) | (953)
Fair Market Value | 10,963 | 16,918
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Corporate Debt [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 12,442 | 12,965
Unrealized Gains | 623 | 1,374
Unrealized Losses | (843) | (49)
Fair Market Value | 12,222 | 14,290
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Preferred Stock [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 12,509 | 12,455
Unrealized Gains | 604 | 1,111
Unrealized Losses | (327) | (344)
Fair Market Value | 12,786 | 13,222
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Mortgage-backed securities |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 79 |
Unrealized Gains | 0 |
Unrealized Losses | (3) |
Fair Market Value | 76 |
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Equity Securities [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 28 | 28
Unrealized Gains | 6 | 8
Unrealized Losses | 0 | 0
Fair Market Value | 34 | 36
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Fixed Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 11,497 | 11,443
Unrealized Gains | 151 | 615
Unrealized Losses | (1,238) | (567)
Fair Market Value | 10,410 | 11,491
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Debt Security, Government, Non-US [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 8,733 | 14,936
Unrealized Gains | 1,396 | 1,874
Unrealized Losses | (255) | (887)
Fair Market Value | 9,874 | 15,923
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Corporate Debt [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 10,544 | 11,231
Unrealized Gains | 548 | 1,223
Unrealized Losses | (732) | (46)
Fair Market Value | 10,360 | 12,408
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Preferred Stock [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 10,850 | 11,001
Unrealized Gains | 528 | 986
Unrealized Losses | (300) | (319)
Fair Market Value | 11,078 | $ 11,668
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Equity Securities [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Total | 26 |
Unrealized Gains | 5 |
Unrealized Losses | 0 |
Fair Market Value | $ 31 |

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