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Trust Investments (Unrealized losses on cemetery merchandise and service trust investments) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Preneed Cemetery Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 6,566 | $ 4,010
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (629) | (274)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 3,542 | 5,074
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (717) | (1,281)
Debt Securities, Available-for-sale, Unrealized Loss Position | 10,108 | 9,084
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (1,346) | (1,555)
Preneed Funeral Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 6,427 | 3,494
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (613) | (238)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 3,258 | 4,918
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (639) | (1,159)
Debt Securities, Available-for-sale, Unrealized Loss Position | 9,685 | 8,412
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (1,252) | (1,397)
Perpetual Care Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 4,351 | 3,462
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (394) | (308)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 2,385 | 3,867
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (511) | (990)
Debt Securities, Available-for-sale, Unrealized Loss Position | 6,736 | 7,329
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (905) | (1,298)
Corporate debt | Preneed Cemetery Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 4,228 | 2,517
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (517) | (57)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 629 | 371
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (436) | (645)
Debt Securities, Available-for-sale, Unrealized Loss Position | 4,857 | 2,888
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (953) | (702)
Corporate debt | Preneed Funeral Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 4,251 | 2,225
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (509) | (55)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 548 | 337
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (378) | (579)
Debt Securities, Available-for-sale, Unrealized Loss Position | 4,799 | 2,562
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (887) | (634)
Corporate debt | Perpetual Care Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 2,649 | 1,728
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (321) | (43)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 468 | 312
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (326) | (539)
Debt Securities, Available-for-sale, Unrealized Loss Position | 3,117 | 2,040
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (647) | (582)
Preferred stock | Preneed Cemetery Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 1,037 | 784
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (49) | (99)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 0 | 542
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | (259)
Debt Securities, Available-for-sale, Unrealized Loss Position | 1,037 | 1,326
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (49) | (358)
Preferred stock | Preneed Funeral Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 965 | 763
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (46) | (96)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 0 | 528
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | (214)
Debt Securities, Available-for-sale, Unrealized Loss Position | 965 | 1,291
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (46) | (310)
Preferred stock | Perpetual Care Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 846 | 592
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (32) | (74)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 0 | 410
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | (166)
Debt Securities, Available-for-sale, Unrealized Loss Position | 846 | 1,002
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (32) | (240)
Mortgage-backed securities | Preneed Cemetery Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 1,301 | 709
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (63) | (118)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 2,913 | 4,049
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (281) | (218)
Debt Securities, Available-for-sale, Unrealized Loss Position | 4,214 | 4,758
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (344) | (336)
Mortgage-backed securities | Preneed Funeral Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 1,211 | 506
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (58) | (87)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 2,710 | 3,942
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (261) | (211)
Debt Securities, Available-for-sale, Unrealized Loss Position | 3,921 | 4,448
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | (319) | (298)
Mortgage-backed securities | Perpetual Care Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 856 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (41) |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 1,917 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (185) |
Debt Securities, Available-for-sale, Unrealized Loss Position | 2,773 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ (226) |
Mortgage-backed securities | Preneed Cemetery Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |  | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |  | 112
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | (159)
Debt Securities, Available-for-sale, Unrealized Loss Position |  | 112
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |  | (159)
Mortgage-backed securities | Preneed Funeral Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |  | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |  | 111
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | (155)
Debt Securities, Available-for-sale, Unrealized Loss Position |  | 111
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |  | (155)
Mortgage-backed securities | Perpetual Care Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |  | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |  | 85
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | (121)
Debt Securities, Available-for-sale, Unrealized Loss Position |  | 85
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |  | (121)
Preferred Stock [Member] | Perpetual Care Trust Investments |  |
Gain (Loss) on Securities [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |  | 1,142
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | (191)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |  | 3,060
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | (164)
Debt Securities, Available-for-sale, Unrealized Loss Position |  | 4,202
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |  | $ (355)

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