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Trust Investments (Unrealized losses on preneed funeral trust investments) (Details) - Preneed Funeral Trust Investments [Member] - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | $ 11,507 | $ 6,089
In Loss Position Less than 12 months | (1,273) | (413)
In Loss Position Greater than 12 months | 2,006 | 5,595
In Loss Position Greater than 12 months | (1,621) | (780)
Total | 13,513 | 11,684
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (2,894) | (1,193)
Foreign debt |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | 2,753 | 274
In Loss Position Less than 12 months | (302) | (43)
In Loss Position Greater than 12 months | 133 | 723
In Loss Position Greater than 12 months | (781) | (189)
Total | 2,886 | 997
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (1,083) | (232)
Corporate Debt [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | 4,038 | 1,403
In Loss Position Less than 12 months | (327) | (172)
In Loss Position Greater than 12 months | 1,298 | 4,433
In Loss Position Greater than 12 months | (439) | (474)
Total | 5,336 | 5,836
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (766) | (646)
Preferred stock |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | 4,716 | 4,412
In Loss Position Less than 12 months | (644) | (198)
In Loss Position Greater than 12 months | 438 | 0
In Loss Position Greater than 12 months | (214) | 0
Total | 5,154 | 4,412
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (858) | (198)
Collateralized Mortgage Backed Securities [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | 0 | 0
In Loss Position Less than 12 months | 0 | 0
In Loss Position Greater than 12 months | 137 | 439
In Loss Position Greater than 12 months | (187) | (117)
Total | 137 | 439
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ (187) | $ (117)

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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=121645371&loc=d3e27337-111563 + Details
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