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Trust Investments (Unrealized losses on preneed funeral trust investments) (Details) - Preneed Funeral Trust Investments [Member] - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | $ 11,424 | $ 6,427
In Loss Position Less than 12 months, Unrealized Losses | (861) | (613)
In Loss Position Greater than 12 months, Fair Market Value | 3,517 | 3,258
In Loss Position Greater than 12 months, Unrealized Losses | (442) | (639)
Total, Fair Market Value | 14,941 | 9,685
Total, Unrealized Losses | (1,303) | (1,252)
US agency obligations [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 534 |
In Loss Position Less than 12 months, Unrealized Losses | 16 |
In Loss Position Greater than 12 months, Fair Market Value | 0 |
In Loss Position Greater than 12 months, Unrealized Losses | 0 |
Total, Fair Market Value | 534 |
Total, Unrealized Losses | 16 |
Foreign debt |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 908 | 4,251
In Loss Position Less than 12 months, Unrealized Losses | (10) | (509)
In Loss Position Greater than 12 months, Fair Market Value | 668 | 548
In Loss Position Greater than 12 months, Unrealized Losses | (245) | (378)
Total, Fair Market Value | 1,576 | 4,799
Total, Unrealized Losses | (255) | (887)
Corporate Debt [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 5,920 | 965
In Loss Position Less than 12 months, Unrealized Losses | (732) | (46)
In Loss Position Greater than 12 months, Fair Market Value | 0 | 0
In Loss Position Greater than 12 months, Unrealized Losses | 0 | 0
Total, Fair Market Value | 5,920 | 965
Total, Unrealized Losses | (732) | (46)
Preferred stock |  |
Gain (Loss) on Securities [Line Items] |  |
In Loss Position Less than 12 months, Fair Market Value | 4,062 | 1,211
In Loss Position Less than 12 months, Unrealized Losses | (103) | (58)
In Loss Position Greater than 12 months, Fair Market Value | 2,849 | 2,710
In Loss Position Greater than 12 months, Unrealized Losses | (197) | (261)
Total, Fair Market Value | 6,911 | 3,921
Total, Unrealized Losses | $ (300) | $ (319)

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