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Trust Investments (Cost and fair market value associated with preneed funeral trust investments) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Preneed Cemetery Trust Investments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | $ 91,637 | $ 82,573
Unrealized Gains | 12,169 | 13,856
Unrealized Losses | (3,310) | (8,341)
Fair Market Value | 100,496 | 88,088
Preneed cemetery trust investments | $ 101,288 | $ 89,081
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent) | 109.70% | 106.70%
Preneed Cemetery Trust Investments [Member] | Mortgage-backed securities |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost |  | $ 272
Unrealized Gains |  | 0
Unrealized Losses |  | (159)
Fair Market Value |  | 113
Preneed Cemetery Trust Investments [Member] | Accrued Investment Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | $ 792 | 993
Fair Market Value | 792 | 993
Preneed Funeral Trust Investments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 103,994 | 97,700
Unrealized Gains | 11,156 | 13,125
Unrealized Losses | (2,950) | (7,570)
Fair Market Value | 112,200 | 103,255
Preneed cemetery trust investments | $ 112,910 | $ 104,166
Preneed cemetery trust investments, fair market value as a percentage of cost (in Percent) | 107.90% | 105.70%
Preneed Funeral Trust Investments [Member] | Accrued Investment Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | $ 710 | $ 911
Fair Market Value | 710 | 911
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] |  |
Cost | 2,846 | 1,859
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | 2,846 | 1,859
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Common stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 35,651 | 30,253
Unrealized Gains | 5,410 | 7,642
Unrealized Losses | (2,356) | (6,601)
Fair Market Value | 38,705 | 31,294
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] |  |
Cost | 18,865 | 18,478
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | 18,865 | 18,478
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | U.S. Treasury Debt [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 817 | 819
Unrealized Gains | 0 | 6
Unrealized Losses | 0 | 0
Fair Market Value | 817 | 825
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Common stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 32,709 | 28,327
Unrealized Gains | 5,051 | 7,364
Unrealized Losses | (2,105) | (6,052)
Fair Market Value | 35,655 | 29,639
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] |  |
Cost | 17,529 | 15,953
Unrealized Gains | 2,578 | 2,083
Unrealized Losses | (507) | (702)
Fair Market Value | 19,600 | 17,334
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Corporate Debt [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 12,639 | 14,856
Unrealized Gains | 1,703 | 1,820
Unrealized Losses | (7) | (358)
Fair Market Value | 14,335 | 16,318
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Preferred Stock [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 12,205 | 11,886
Unrealized Gains | 1,090 | 980
Unrealized Losses | (296) | (336)
Fair Market Value | 12,999 | 12,530
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Fixed Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 10,767 | 7,494
Unrealized Gains | 1,388 | 1,331
Unrealized Losses | (144) | (185)
Fair Market Value | 12,011 | 8,640
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] |  |
Cost | 16,774 | 15,144
Unrealized Gains | 2,429 | 2,018
Unrealized Losses | (465) | (634)
Fair Market Value | 18,738 | 16,528
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Corporate Debt [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 11,113 | 13,292
Unrealized Gains | 1,525 | 1,638
Unrealized Losses | (6) | (310)
Fair Market Value | 12,632 | 14,620
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Preferred Stock [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 10,947 | 10,944
Unrealized Gains | 983 | 900
Unrealized Losses | (280) | (298)
Fair Market Value | 11,650 | 11,546
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Mortgage-backed securities |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost |  | 293
Unrealized Gains |  | 1
Unrealized Losses |  | (155)
Fair Market Value |  | 139
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Fixed Income Securities [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 8,913 | 6,475
Unrealized Gains | 1,168 | 1,198
Unrealized Losses | (94) | (121)
Fair Market Value | 9,987 | 7,552
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Other Investments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 3,856 | 3,928
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | $ 3,856 | $ 3,928

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