Cemetery Perpetual Care Trusts Investment Related Activities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Investment related activities [Line Items]
Realized gains from sales of available-for-sale securities	$ 20,183	$ 66,604	$ 60,080	$ 159,672
Realized losses from sales of available-for-sale securities	(21,086)	(7,468)	(47,407)	(18,396)
Cemetery Perpetual Care
Investment related activities [Line Items]
Deposits	10,264	9,202	29,717	29,439
Withdrawals	8,073	8,680	32,749	23,879
Purchases of available-for-sale securities	29,129	169,973	174,243	233,795
Sales of available-for-sale securities	14,466	172,646	120,602	251,719
Realized gains from sales of available-for-sale securities	524	7,034	2,675	21,903
Realized losses from sales of available-for-sale securities	$ (156)	$ (935)	$ (4,478)	$ (1,599)