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Trust Investments (Estimated maturities of the fixed income securities) (Details) - Perpetual Care Trust Invesments [Member]
$ in Thousands
Jun. 30, 2021
USD ($)
Gain (Loss) on Securities [Line Items]  
Due in one year or less $ 0
Due in one to five years 8,736
Due in five to ten years 5,738
Thereafter 21,511
Total $ 35,985