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Trust Investments (Perpetual care trust investment security transactions recorded in Other revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Gain (Loss) on Securities [Line Items]
Total	$ 95,041	$ 84,393	$ 279,955	$ 239,360
Other Revenue [Member]
Gain (Loss) on Securities [Line Items]
Total	6,788	6,877	20,324	18,319
Other Revenue [Member] | Preneed Funeral Trust Investments [Member]
Gain (Loss) on Securities [Line Items]
Investment income	2,881	2,531	8,104	5,879
Realized gains (losses), net	(278)	63	(557)	53
Total	$ 2,603	$ 2,594	$ 7,547	$ 5,932

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Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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