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Preneed Trust Investments Preneed Trust Investments (Unrealized losses on preneed funeral trust investments) (Details) - Preneed Funeral Trust Investments - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | $ 17,076 | $ 42,577
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses | (772) | (6,162)
Fair market value, In Loss Position Greater than12 months | 20,934 | 15,322
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses | (3,944) | (3,482)
Fair market value, Total | 38,010 | 57,899
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses | (4,716) | (9,644)
U.S. debt |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 834 | 0
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses | (10) | 0
Fair market value, In Loss Position Greater than12 months | 0 | 1,504
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses | 0 | (12)
Fair market value, Total | 834 | 1,504
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses | (10) | (12)
Municipal bonds |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 244 |
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses | (5) |
Fair market value, In Loss Position Greater than12 months | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses | 0 |
Fair market value, Total | 244 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses | (5) |
Municipal bonds |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months |  | 413
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses |  | (66)
Fair market value, In Loss Position Greater than12 months |  | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses |  | 0
Fair market value, Total |  | 413
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses |  | (66)
Foreign debt |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 2,654 | 3,763
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses | (186) | (392)
Fair market value, In Loss Position Greater than12 months | 2,905 | 416
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses | (490) | (319)
Fair market value, Total | 5,559 | 4,179
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses | (676) | (711)
Corporate debt |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 6,977 | 15,929
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses | (215) | (3,294)
Fair market value, In Loss Position Greater than12 months | 2,234 | 3,364
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses | (919) | (1,417)
Fair market value, Total | 9,211 | 19,293
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses | (1,134) | (4,711)
Preferred stock |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 3,420 | 10,623
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses | (128) | (451)
Fair market value, In Loss Position Greater than12 months | 11,750 | 5,338
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses | (842) | (463)
Fair market value, Total | 15,170 | 15,961
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses | (970) | (914)
Mortgage-backed securities |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 55 | 0
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses | (5) | 0
Fair market value, In Loss Position Greater than12 months | 11 | 272
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses | (1) | (4)
Fair market value, Total | 66 | 272
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses | (6) | (4)
Equity |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 2,795 | 11,848
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses | (216) | (1,959)
Fair market value, In Loss Position Greater than12 months | 3,390 | 3,510
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses | (1,634) | (1,154)
Fair market value, Total | 6,185 | 15,358
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses | (1,850) | (3,113)
Equity and other |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 0 |
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses | 0 |
Fair market value, In Loss Position Greater than12 months | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses | 0 |
Fair market value, Total | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses | 0 |
Fixed income |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 97 | 1
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses | (7) | 0
Fair market value, In Loss Position Greater than12 months | 644 | 876
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses | (58) | (82)
Fair market value, Total | 741 | 877
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses | (65) | (82)
Other investments |  |
Gain (Loss) on Investments [Line Items] |  |
Fair market value, In Loss Position Less than12 months | 0 | 0
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Unrealized Losses | 0 | 0
Fair market value, In Loss Position Greater than12 months | 0 | 42
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses | 0 | (31)
Fair market value, Total | 0 | 42
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses | $ 0 | $ (31)

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