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Preneed Trust Investments (Unrealized losses on preneed funeral trust investments) (Details) - Preneed Funeral Trust Investments [Member] - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
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Gain (Loss) on Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | $ 19,770 | $ 32,475
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (3,313) | (5,560)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 11,774 | 7,659
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (2,181) | (2,617)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 31,544 | 40,134
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (5,494) | (8,177)
US States and Political Subdivisions Debt Securities [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 822 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 0 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | 1,181
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | (19)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 822 | 1,181
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 0 | (19)
Foreign Debt [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 1,878 | 2,180
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (133) | (251)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 1,015 | 850
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (322) | (252)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 2,893 | 3,030
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (455) | (503)
Corporate Debt [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 2,908 | 9,990
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (424) | (814)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 4,702 | 434
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (225) | (211)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 7,610 | 10,424
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (649) | (1,025)
Preferred Stock [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 2,077 | 5,967
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (26) | (460)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 2,550 | 3,673
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (114) | (734)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 4,627 | 9,640
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (140) | (1,194)
Collateralized Mortgage Backed Securities [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 4 | 11
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 0 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 395 | 120
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (217) | (18)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 399 | 131
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (217) | (18)
Equity [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 11,736 | 14,327
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (2,687) | (4,035)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 2,848 | 1,155
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (1,292) | (1,354)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 14,584 | 15,482
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (3,979) | (5,389)
Fixed Income [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 345 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (43) | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 264 | 246
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (11) | (29)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 609 | 246
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ (54) | $ (29)

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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References No definition available. + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
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