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Preneed Cemetery Activities Schedule of Unrealized Loss on Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | $ 461,074 | $ 740,694
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (23,229) | (62,996)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 244,856 | 176,220
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (48,600) | (50,698)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 705,930 | 916,914
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 71,829 | 113,694
US Treasury Securities [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 15,413 | 52,509
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (281) | (1,435)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 0 | 21
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 0 | (2)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 15,413 | 52,530
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 281 | 1,437
Foreign Government Debt Securities [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 0 | 1,190
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 0 | (34)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 1,192 | 841
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (66) | (65)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 1,192 | 2,031
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 66 | 99
Corporate Debt Securities [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 0 | 1,764
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 0 | (22)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 736 | 2,347
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (34) | (96)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 736 | 4,111
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 34 | 118
Residential Mortgage Backed Securities [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value |  | 42
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses |  | (1)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value |  | 18
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses |  | (2)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 60
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 3
US Common Stock Securities [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value |  | 198,755
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses |  | (26,038)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value |  | 21,355
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses |  | (5,999)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 220,110
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 32,037
US Common Stock Securities [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 149,530 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (13,680) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 23,010 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (8,000) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 172,540 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 21,680 |
Canada Common Stock Securities [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value |  | 473
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses |  | (6)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value |  | 1,430
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses |  | (885)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 1,903
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 891
Canada Common Stock Securities [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 408 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (82) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 38 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (2) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 446 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 84 |
Other International Common Stock Securities [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value |  | 15,560
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses |  | (2,507)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value |  | 9,412
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses |  | (3,292)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 24,972
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 5,799
Other International Common Stock Securities [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 9,707 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (2,330) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 11,442 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (2,899) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 21,149 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 5,229 |
Equity Funds [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value |  | 207,253
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses |  | (25,991)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value |  | 86,720
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses |  | (23,651)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 293,973
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 49,642
Equity Funds [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 125,728 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (4,728) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 146,332 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (24,875) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 272,060 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 29,603 |
Fixed Income Funds [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value |  | 139,684
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses |  | (6,323)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value |  | 44,550
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses |  | (12,204)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 184,234
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 18,527
Fixed Income Funds [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 26,566 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (446) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 45,337 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (9,408) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 71,903 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 9,854 |
Commingled Funds [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 133,164 | 123,464
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (1,681) | 639
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 0 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 0 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 133,164 | 123,464
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 1,681 | (639)
Private Equity Funds [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value |  | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses |  | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value |  | 9,526
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses |  | (4,502)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 9,526
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 4,502
Private Equity Funds [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 558 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (1) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 16,769 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (3,316) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 17,327 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 3,317 |
Estimate of Fair Value Measurement [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 327,352 | 617,230
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 21,547 | 62,357
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 228,087 | 166,694
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 45,284 | 46,196
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 555,439 | 783,924
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (66,831) | (108,553)
Reported At Net Asset Value [Member] | Cemetery [Member] |  |
Schedule of unrealized loss on investments [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 133,722 | 123,464
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 1,682 | 639
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 16,769 | 9,526
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 3,316 | 4,502
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 150,491 | 132,990
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ (4,998) | $ (5,141)

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