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Cemetery Perpetual Care Trust Investments (Estimated maturities of fixed perpetual care trust income securities) (Details) - Perpetual Care Trust Investments $ in Thousands | Dec. 31, 2019 USD ($)
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Debt and Equity Securities, FV-NI [Line Items] |
Due in one year or less | $ 0
Due in one to five years | 3,130
Due in five to ten years | 6,786
Thereafter | 17,868
Total | $ 27,784

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