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Preneed Trust Investments (Cost and fair market values associated with preneed funeral trust investments) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Preneed Cemetery Trust Investments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | $ 72,703 | $ 70,584
Unrealized Gains | 3,519 | 1,523
Unrealized Losses | (4,638) | (8,133)
Fair Market Value | 71,584 | 63,974
Preneed cemetery trust investments | $ 72,151 | $ 64,549
Fair market value as a percentage of cost | 98.50% | 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 | $ 567 | 575
Fair Market Value | 567 | 575
Preneed Funeral Trust Investments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 92,100 | 90,993
Unrealized Gains | 3,317 | 1,450
Unrealized Losses | (4,518) | (8,177)
Fair Market Value | 90,899 | 84,266
Preneed cemetery trust investments | $ 91,459 | $ 84,803
Fair market value as a percentage of cost | 98.70% | 92.60%
Preneed Funeral Trust Investments [Member] | Accrued Investment Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | $ 560 | $ 537
Fair Market Value | 560 | 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 | 9,544 | 16,194
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | 9,544 | 16,194
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Common stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 28,895 | 24,867
Unrealized Gains | 2,141 | 903
Unrealized Losses | (3,366) | (5,436)
Fair Market Value | 27,670 | 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 | 25,145 | 31,375
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | 25,145 | 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 | 944 | 1,319
Unrealized Gains | 1 | 3
Unrealized Losses | (3) | (19)
Fair Market Value | 942 | 1,303
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Common stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 28,227 | 24,803
Unrealized Gains | 1,921 | 887
Unrealized Losses | (3,258) | (5,389)
Fair Market Value | 26,890 | 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 | 5,688 | 3,802
Unrealized Gains | 107 | 43
Unrealized Losses | (273) | (511)
Fair Market Value | 5,522 | 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 | 13,492 | 13,987
Unrealized Gains | 603 | 362
Unrealized Losses | (526) | (1,026)
Fair Market Value | 13,569 | 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 | 13,188 | 11,068
Unrealized Gains | 620 | 54
Unrealized Losses | (334) | (1,146)
Fair Market Value | 13,474 | 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 | 608 |
Unrealized Gains | 11 |
Unrealized Losses | (81) |
Fair Market Value | 538 |
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Fixed Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 1,288 |
Unrealized Gains | 37 |
Unrealized Losses | (58) |
Fair Market Value | 1,267 |
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 | 5,683 | 3,748
Unrealized Gains | 106 | 44
Unrealized Losses | (264) | (503)
Fair Market Value | 5,525 | 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 | 13,482 | 14,195
Unrealized Gains | 595 | 294
Unrealized Losses | (525) | (1,025)
Fair Market Value | 13,552 | 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 | 13,543 | 11,500
Unrealized Gains | 646 | 54
Unrealized Losses | (333) | (1,194)
Fair Market Value | 13,856 | 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 | 698 | 772
Unrealized Gains | 10 | 168
Unrealized Losses | (85) | (18)
Fair Market Value | 623 | 922
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Fixed Income [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 1,419 | 275
Unrealized Gains | 38 | 0
Unrealized Losses | (50) | (29)
Fair Market Value | 1,407 | 246
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Other Investments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 2,959 | 3,006
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | $ 2,959 | $ 3,006

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