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Trust Investments (Unrealized losses on preneed funeral trust investments) (Details) - Preneed Funeral Trust Investments [Member] - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | $ 20,531 | $ 6,089
In Loss Position Less than 12 months | (4,822) | (413)
In Loss Position Greater than 12 months | 3,414 | 5,595
In Loss Position Greater than 12 months | (2,085) | (780)
Total | 23,945 | 11,684
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (6,907) | (1,193)
Foreign debt |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | 4,605 | 274
In Loss Position Less than 12 months | (1,152) | (43)
In Loss Position Greater than 12 months | 152 | 723
In Loss Position Greater than 12 months | (479) | (189)
Total | 4,757 | 997
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (1,631) | (232)
Corporate Debt [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | 5,248 | 1,403
In Loss Position Less than 12 months | (1,357) | (172)
In Loss Position Greater than 12 months | 3,127 | 4,433
In Loss Position Greater than 12 months | (1,469) | (474)
Total | 8,375 | 5,836
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (2,826) | (646)
Preferred stock |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | 10,594 | 4,412
In Loss Position Less than 12 months | (2,198) | (198)
In Loss Position Greater than 12 months | 0 | 0
In Loss Position Greater than 12 months | 0 | 0
Total | 10,594 | 4,412
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (2,198) | (198)
Collateralized Mortgage Backed Securities [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | 84 | 0
In Loss Position Less than 12 months | (115) | 0
In Loss Position Greater than 12 months | 135 | 439
In Loss Position Greater than 12 months | (137) | (117)
Total | 219 | 439
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ (252) | $ (117)

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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=118939692&loc=d3e27337-111563 + Details
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