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Cemetery Perpetual Care Trust Investments Cemetery Perpetual Care Trust Investments (Unrealized losses on perpetual care trust investments) (Details) - Perpetual Care Trust Invesments - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
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Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | $ 27,763 | $ 27,093
Unrealized Losses, In Loss Position Less than12 months | (3,995) | (1,476)
Fair market value, In Loss Position Greater than12 months | 8,245 | 3,505
Unrealized Losses, In Loss Position Greater than12 months | (2,174) | (975)
Fair market value, Total | 36,008 | 30,598
Unrealized Losses, Total | (6,169) | (2,451)
Municipal bonds |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 280 |
Unrealized Losses, In Loss Position Less than12 months | (45) |
Fair market value, In Loss Position Greater than12 months | 0 |
Unrealized Losses, In Loss Position Greater than12 months | 0 |
Fair market value, Total | 280 |
Unrealized Losses, Total | (45) |
Foreign debt |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 2,541 | 3,716
Unrealized Losses, In Loss Position Less than12 months | (265) | (156)
Fair market value, In Loss Position Greater than12 months | 281 | 0
Unrealized Losses, In Loss Position Greater than12 months | (215) | 0
Fair market value, Total | 2,822 | 3,716
Unrealized Losses, Total | (480) | (156)
Corporate debt |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 10,463 | 11,893
Unrealized Losses, In Loss Position Less than12 months | (2,164) | (513)
Fair market value, In Loss Position Greater than12 months | 2,210 | 1,328
Unrealized Losses, In Loss Position Greater than12 months | (931) | (915)
Fair market value, Total | 12,673 | 13,221
Unrealized Losses, Total | (3,095) | (1,428)
Preferred stock |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months |  | 6,821
Unrealized Losses, In Loss Position Less than12 months |  | (191)
Fair market value, In Loss Position Greater than12 months |  | 2,133
Unrealized Losses, In Loss Position Greater than12 months |  | (23)
Fair market value, Total |  | 8,954
Unrealized Losses, Total |  | (214)
Preferred stock |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 7,100 |
Unrealized Losses, In Loss Position Less than12 months | (301) |
Fair market value, In Loss Position Greater than12 months | 3,568 |
Unrealized Losses, In Loss Position Greater than12 months | (309) |
Fair market value, Total | 10,668 |
Unrealized Losses, Total | (610) |
Common stock |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 7,379 | 4,663
Unrealized Losses, In Loss Position Less than12 months | (1,220) | (616)
Fair market value, In Loss Position Greater than12 months | 2,186 | 44
Unrealized Losses, In Loss Position Greater than12 months | (719) | (37)
Fair market value, Total | 9,565 | 4,707
Unrealized Losses, Total | $ (1,939) | $ (653)

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