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Trust Investments (Unrealized losses on cemetery merchandise and service trust investments) (Details) - Preneed Cemetery Trust Investments [Member] - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | $ 12,391 | $ 21,380
In Loss Position Less than 12 months, Unrealized Losses | (1,849) | (5,581)
In Loss Position Greater than 12 months, Fair Market Value | 10,346 | 3,824
In Loss Position Greater than 12 months, Unrealized Losses | (5,878) | (1,071)
Total, Fair Market Value | 22,737 | 25,204
Total, Unrealized Losses | (7,727) | (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 | 748 | 0
In Loss Position Greater than 12 months, Unrealized Losses | (55) | 0
Total, Fair Market Value | 748 | 732
Total, Unrealized Losses | (55) | (72)
Foreign debt |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 3,899 | 5,394
In Loss Position Less than 12 months, Unrealized Losses | (309) | (308)
In Loss Position Greater than 12 months, Fair Market Value | 1,649 | 744
In Loss Position Greater than 12 months, Unrealized Losses | (394) | (336)
Total, Fair Market Value | 5,548 | 6,138
Total, Unrealized Losses | (703) | (644)
Corporate debt |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 4,032 | 8,037
In Loss Position Less than 12 months, Unrealized Losses | (566) | (3,922)
In Loss Position Greater than 12 months, Fair Market Value | 3,084 | 563
In Loss Position Greater than 12 months, Unrealized Losses | (4,694) | (217)
Total, Fair Market Value | 7,116 | 8,600
Total, Unrealized Losses | (5,260) | (4,139)
Preferred stock |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 4,460 | 7,146
In Loss Position Less than 12 months, Unrealized Losses | (974) | (1,271)
In Loss Position Greater than 12 months, Fair Market Value | 4,794 | 2,517
In Loss Position Greater than 12 months, Unrealized Losses | (727) | (518)
Total, Fair Market Value | 9,254 | 9,663
Total, Unrealized Losses | (1,701) | (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 | (8) | 0
Total, Fair Market Value | 71 | 71
Total, Unrealized Losses | $ (8) | $ (8)

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