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Trust Investments (Purchases and sales of investments in the perpetual care trusts) (Details) - Preneed Funeral Trust Investments - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Gain (Loss) on Securities [Line Items] |  |  |  |
Purchases | $ 2,310 | $ 280 | $ 6,711 | $ 411
Sales | $ 8,694 | $ 441 | $ 10,904 | $ 441

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