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Preneed Trust Investments (Cost and fair market values associated with preneed cemetery trust investments) (Details) - Preneed Cemetery Trust Investments - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Preneed cemetery trust investments | $ 71,834 | $ 65,486
Market value as a percentage of cost | 99.80% | 88.70%
Foreign Debt |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost |  | $ 4,803
Unrealized Gains |  | 0
Unrealized Losses |  | (695)
Fair Market Value |  | 4,108
Corporate debt |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost |  | 22,968
Unrealized Gains |  | 85
Unrealized Losses |  | (4,279)
Fair Market Value |  | 18,774
Preferred stock |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost |  | 16,236
Unrealized Gains |  | 29
Unrealized Losses |  | (885)
Fair Market Value |  | 15,380
Mortgage-backed securities |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost |  | 0
Unrealized Gains |  | 0
Unrealized Losses |  | 0
Fair Market Value |  | 0
Trust securities |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost | $ 71,252 | 73,148
Unrealized Gains | 4,425 | 796
Unrealized Losses | (4,572) | (9,083)
Fair Market Value | 71,105 | 64,861
Accrued investment income |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost | 729 | 625
Fair Market Value | 729 | 625
Fair Value, Level 1 | Cash and money market accounts |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost | 10,852 | 8,296
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Fair Market Value | 10,852 | 8,296
Fair Value, Level 1 | Common stock |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost | 13,250 | 20,387
Unrealized Gains | 2,191 | 682
Unrealized Losses | (1,838) | (3,161)
Fair Market Value | 13,603 | 17,908
Fair Value, Level 2 | Municipal bonds |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost | 496 | 458
Unrealized Gains | 18 | 0
Unrealized Losses | (4) | (63)
Fair Market Value | 510 | $ 395
Fair Value, Level 2 | Foreign Debt |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost | 7,574 |
Unrealized Gains | 160 |
Unrealized Losses | (656) |
Fair Market Value | 7,078 |
Fair Value, Level 2 | Corporate debt |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost | 20,621 |
Unrealized Gains | 1,569 |
Unrealized Losses | (1,123) |
Fair Market Value | 21,067 |
Fair Value, Level 2 | Preferred stock |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost | 16,287 |
Unrealized Gains | 8 |
Unrealized Losses | (947) |
Fair Market Value | 15,348 |
Fair Value, Level 2 | Mortgage-backed securities |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost | 949 |
Unrealized Gains | 372 |
Unrealized Losses | (4) |
Fair Market Value | 1,317 |
Fair Value, Level 2 | Fixed income |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Cost | 1,223 |
Unrealized Gains | 107 |
Unrealized Losses | 0 |
Fair Market Value | $ 1,330 |

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