Cemetery Perpetual Care Trusts Investment Related Activities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Investment related activities [Line Items]
Realized gains from sales of available-for-sale securities	$ 46,678	$ 31,729
Realized losses from sales of available-for-sale securities	(4,110)	(4,213)
Cemetery Perpetual Care [Member]
Investment related activities [Line Items]
Deposits	11,837	8,228
Withdrawals	5,885	9,569
Purchases of available-for-sale securities	38,895	35,052
Sales of available-for-sale securities	30,072	27,490
Realized gains from sales of available-for-sale securities	5,045	3,782
Realized losses from sales of available-for-sale securities	$ (337)	$ (322)