Trust Investments (Perpetual care trust investment security transactions recorded in Other revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Gain (Loss) on Securities [Line Items]
Total	$ 84,393	$ 66,125	$ 239,360	$ 202,958
Other Revenue [Member]
Gain (Loss) on Securities [Line Items]
Total	6,877	3,990	18,319	12,056
Other Revenue [Member] | Preneed Funeral Trust Investments [Member]
Gain (Loss) on Securities [Line Items]
Investment income	2,531	1,220	5,879	3,414
Realized gains (losses), net	63	(232)	53	(512)
Total	$ 2,594	$ 988	$ 5,932	$ 2,902