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Preneed Trust Investments (Cost and fair market values associated with preneed funeral trust investments) (Details) - Preneed Funeral Trust Investments - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | $ 97,047 | $ 90,993
Unrealized Gains | 5,672 | 1,450
Unrealized Losses | (4,173) | (8,177)
Fair Market Value | 98,546 | 84,266
Preneed cemetery trust investments, at market value | $ 99,246 | $ 84,803
Market value as a percentage of cost | 101.50% | 92.60%
Accrued investment income |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | $ 700 | $ 537
Fair Market Value | 700 | 537
Fair Value, Level 1 | Cash and money market accounts |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 24,160 | 31,375
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | 24,160 | 31,375
Fair Value, Level 1 | U.S. treasury debt |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost |  | 1,319
Unrealized Gains |  | 3
Unrealized Losses |  | (19)
Fair Market Value |  | 1,303
Fair Value, Level 1 | Common stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 27,652 | 24,803
Unrealized Gains | 2,773 | 887
Unrealized Losses | (2,869) | (5,389)
Fair Market Value | 27,556 | 20,301
Fair Value, Level 2 | Municipal bonds |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 822 |
Unrealized Gains | 0 |
Unrealized Losses | 0 |
Fair Market Value | 822 |
Fair Value, Level 2 | Foreign Debt |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 5,587 | 3,748
Unrealized Gains | 309 | 44
Unrealized Losses | (232) | (503)
Fair Market Value | 5,664 | 3,289
Fair Value, Level 2 | Preferred stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 16,109 | 14,195
Unrealized Gains | 992 | 294
Unrealized Losses | (646) | (1,025)
Fair Market Value | 16,455 | 13,464
Fair Value, Level 2 | Preferred stock |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 14,094 | 11,500
Unrealized Gains | 874 | 54
Unrealized Losses | (198) | (1,194)
Fair Market Value | 14,770 | 10,360
Fair Value, Level 2 | Collateralized Mortgage Backed Securities [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 585 | 772
Unrealized Gains | 0 | 168
Unrealized Losses | (117) | (18)
Fair Market Value | 468 | 922
Fair Value, Level 2 | Equity Securities [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 772 |
Unrealized Gains | 617 |
Unrealized Losses | (4) |
Fair Market Value | 1,385 |
Fair Value, Level 2 | Fixed Income Securities |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 4,364 | 275
Unrealized Gains | 107 | 0
Unrealized Losses | (107) | (29)
Fair Market Value | 4,364 | 246
Fair Value, Level 2 | Other investments |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Cost | 2,902 | 3,006
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | $ 2,902 | $ 3,006

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