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Trust Investments (Unrealized losses on preneed funeral trust investments) (Details) - Preneed Funeral Trust Investments [Member] - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | $ 5,078 | $ 3,494
In Loss Position Less than 12 months | (466) | (238)
In Loss Position Greater than 12 months | 4,408 | 4,918
In Loss Position Greater than 12 months | (696) | (1,159)
Total | 9,486 | 8,412
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (1,162) | (1,397)
Foreign debt |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | 4,339 | 2,225
In Loss Position Less than 12 months | (423) | (55)
In Loss Position Greater than 12 months | 599 | 337
In Loss Position Greater than 12 months | (326) | (579)
Total | 4,938 | 2,562
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (749) | (634)
Corporate Debt [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | 700 | 763
In Loss Position Less than 12 months | (17) | (96)
In Loss Position Greater than 12 months | 0 | 528
In Loss Position Greater than 12 months | 0 | (214)
Total | 700 | 1,291
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | (17) | (310)
Preferred stock |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months | 39 | 506
In Loss Position Less than 12 months | (26) | (87)
In Loss Position Greater than 12 months | 3,809 | 3,942
In Loss Position Greater than 12 months | (370) | (211)
Total | 3,848 | 4,448
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ (396) | (298)
Collateralized Mortgage Backed Securities [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months |  | 0
In Loss Position Less than 12 months |  | 0
In Loss Position Greater than 12 months |  | 111
In Loss Position Greater than 12 months |  | (155)
Total |  | 111
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | $ (155)

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