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Preneed Trust Investments (Cost and fair market values associated with preneed funeral trust investments) (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
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Preneed Cemetery Trust Investments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | $ 72,342 | $ 70,584
Unrealized Gains | 3,142 | 1,523
Unrealized Losses | (5,778) | (8,133)
Fair Market Value | 69,706 | 63,974
Preneed cemetery trust investments | $ 70,503 | $ 64,549
Fair market value as a percentage of cost | 96.40% | 90.60%
Preneed Cemetery Trust Investments [Member] | Mortgage Backed Securities [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost |  | $ 666
Unrealized Gains |  | 161
Unrealized Losses |  | (14)
Fair Market Value |  | 813
Preneed Cemetery Trust Investments [Member] | Accrued Investment Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | $ 797 | 575
Fair Market Value | 797 | 575
Preneed Funeral Trust Investments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 91,437 | 90,993
Unrealized Gains | 3,076 | 1,450
Unrealized Losses | (5,494) | (8,177)
Fair Market Value | 89,019 | 84,266
Preneed cemetery trust investments | $ 89,802 | $ 84,803
Fair market value as a percentage of cost | 97.40% | 92.60%
Preneed Funeral Trust Investments [Member] | Accrued Investment Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | $ 783 | $ 537
Fair Market Value | 783 | 537
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 | 7,657 | 16,194
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | 7,657 | 16,194
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Common stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 25,679 | 24,867
Unrealized Gains | 1,169 | 903
Unrealized Losses | (4,231) | (5,436)
Fair Market Value | 22,617 | 20,334
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 | 24,535 | 31,375
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | 24,535 | 31,375
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 | 822 | 1,319
Unrealized Gains | 0 | 3
Unrealized Losses | 0 | (19)
Fair Market Value | 822 | 1,303
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Common stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 24,960 | 24,803
Unrealized Gains | 1,125 | 887
Unrealized Losses | (3,979) | (5,389)
Fair Market Value | 22,106 | 20,301
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 | 6,380 | 3,802
Unrealized Gains | 125 | 43
Unrealized Losses | (471) | (511)
Fair Market Value | 6,034 | 3,334
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Corporate Debt [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 17,404 | 13,987
Unrealized Gains | 812 | 362
Unrealized Losses | (660) | (1,026)
Fair Market Value | 17,556 | 13,323
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Preferred Stock [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 13,193 | 11,068
Unrealized Gains | 1,000 | 54
Unrealized Losses | (137) | (1,146)
Fair Market Value | 14,056 | 9,976
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Mortgage Backed Securities [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 567 |
Unrealized Gains | 0 |
Unrealized Losses | (210) |
Fair Market Value | 357 |
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Fixed Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 1,462 |
Unrealized Gains | 36 |
Unrealized Losses | (69) |
Fair Market Value | 1,429 |
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 | 6,371 | 3,748
Unrealized Gains | 122 | 44
Unrealized Losses | (455) | (503)
Fair Market Value | 6,038 | 3,289
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Corporate Debt [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 16,774 | 14,195
Unrealized Gains | 799 | 294
Unrealized Losses | (649) | (1,025)
Fair Market Value | 16,924 | 13,464
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Preferred Stock [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 13,002 | 11,500
Unrealized Gains | 993 | 54
Unrealized Losses | (140) | (1,194)
Fair Market Value | 13,855 | 10,360
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Mortgage Backed Securities [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 645 | 772
Unrealized Gains | 0 | 168
Unrealized Losses | (217) | (18)
Fair Market Value | 428 | 922
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Fixed Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 1,415 | 275
Unrealized Gains | 37 | 0
Unrealized Losses | (54) | (29)
Fair Market Value | 1,398 | 246
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Other Investments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 2,913 | 3,006
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | $ 2,913 | $ 3,006

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