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Trust Investments (Preneed funeral trust investment security transactions) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Investment Income, Net | $ 10,443 | $ 8,461 | $ 4,500
Decrease in deferred preneed funeral receipts held in trust | 10,325 | 8,074 | 4,123
Other, net | (84) | 152 | 736
Preneed Funeral Trust Investments |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Investment Income, Net | 1,747 | 1,907 | 1,753
Debt Securities, Available-for-sale, Realized Gain | 17,091 | 9,441 | 6,214
Realized losses | (6,155) | (4,677) | (4,612)
Unrealized gains, net | 5,665 | 5,555 | 1,499
Expenses and taxes | (1,221) | (878) | (1,129)
Decrease in deferred preneed funeral receipts held in trust | (17,127) | (11,348) | (3,725)
Other, net | 0 | 0 | 0
Preneed Cemetery Trust Investments |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Investment Income, Net | 2,147 | 2,175 | 1,743
Debt Securities, Available-for-sale, Realized Gain | 18,321 | 8,922 | 6,353
Realized losses | (6,626) | (5,090) | (4,677)
Unrealized gains, net | 6,047 | 5,515 | 826
Expenses and taxes | (1,715) | (1,354) | (1,313)
Decrease in deferred preneed funeral receipts held in trust | (18,174) | (10,168) | (2,932)
Other, net | 0 | 0 | 0
Perpetual Care Trust Investments | Other Interest Income |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Debt Securities, Available-for-sale, Realized Gain | 2,474 | 2,602 | 1,663
Realized losses | (950) | (1,695) | (1,258)
Unrealized gains, net | (4,421) | (4,355) | (2,964)
Decrease in deferred preneed funeral receipts held in trust | 5,945 | 5,262 | 3,369
Other, net | $ 0 | $ 0 | $ 0

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