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Trust Investments (Unrealized losses on cemetery merchandise and service trust investments) (Details) - Preneed Cemetery Trust Investments - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | $ 6,296 | $ 21,380
In Loss Position Less than 12 months, Unrealized Losses | (397) | (5,581)
In Loss Position Greater than 12 months, Fair Market Value | 14,877 | 3,824
In Loss Position Greater than 12 months, Unrealized Losses | (6,376) | (1,071)
Total, Fair Market Value | 21,173 | 25,204
Total, Unrealized Losses | (6,773) | (6,652)
U.S. agency obligations |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 0 | 732
In Loss Position Less than 12 months, Unrealized Losses | 0 | (72)
In Loss Position Greater than 12 months, Fair Market Value | 728 | 0
In Loss Position Greater than 12 months, Unrealized Losses | (75) | 0
Total, Fair Market Value | 728 | 732
Total, Unrealized Losses | (75) | (72)
Foreign debt |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 2,885 | 5,394
In Loss Position Less than 12 months, Unrealized Losses | (100) | (308)
In Loss Position Greater than 12 months, Fair Market Value | 1,711 | 744
In Loss Position Greater than 12 months, Unrealized Losses | (251) | (336)
Total, Fair Market Value | 4,596 | 6,138
Total, Unrealized Losses | (351) | (644)
Corporate debt |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 3,106 | 8,037
In Loss Position Less than 12 months, Unrealized Losses | (276) | (3,922)
In Loss Position Greater than 12 months, Fair Market Value | 4,374 | 563
In Loss Position Greater than 12 months, Unrealized Losses | (4,596) | (217)
Total, Fair Market Value | 7,480 | 8,600
Total, Unrealized Losses | (4,872) | (4,139)
Preferred stock |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 305 | 7,146
In Loss Position Less than 12 months, Unrealized Losses | (21) | (1,271)
In Loss Position Greater than 12 months, Fair Market Value | 7,993 | 2,517
In Loss Position Greater than 12 months, Unrealized Losses | (1,445) | (518)
Total, Fair Market Value | 8,298 | 9,663
Total, Unrealized Losses | (1,466) | (1,789)
Mortgage-backed securities |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 0 | 71
In Loss Position Less than 12 months, Unrealized Losses | 0 | (8)
In Loss Position Greater than 12 months, Fair Market Value | 71 | 0
In Loss Position Greater than 12 months, Unrealized Losses | (9) | 0
Total, Fair Market Value | 71 | 71
Total, Unrealized Losses | $ (9) | $ (8)

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