Cemetery Perpetual Care Trusts Investment Related Activities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Realized gains from sales of available-for-sale securities	$ 25,062	$ 20,183	$ 59,845	$ 60,080
Realized losses from sales of available-for-sale securities	(14,037)	(21,086)	(90,679)	(47,407)
Cemetery Perpetual Care
Deposits	10,542	10,264	31,731	29,717
Withdrawals	5,928	8,073	36,478	32,749
Purchases of available-for-sale securities	298,509	29,129	388,216	174,243
Sales of available-for-sale securities	274,495	14,466	352,109	120,602
Realized gains from sales of available-for-sale securities	1,393	524	5,187	2,675
Realized losses from sales of available-for-sale securities	$ (591)	$ (156)	$ (5,932)	$ (4,478)