Cemetery Perpetual Care Trusts Investment Related Activities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Investment related activities [Line Items]
Realized gains from sales of available-for-sale securities	$ 52,192	$ 20,396	$ 83,921	$ 87,841
Realized losses from sales of available-for-sale securities	(11,770)	(10,410)	(15,983)	(36,143)
Cemetery Perpetual Care [Member]
Investment related activities [Line Items]
Deposits	5,422	5,821	13,650	12,365
Withdrawals	7,052	5,931	16,621	14,183
Purchases of available-for-sale securities	55,395	31,884	90,447	102,011
Sales of available-for-sale securities	29,261	20,491	56,751	73,377
Realized gains from sales of available-for-sale securities	5,119	2,032	8,901	4,194
Realized losses from sales of available-for-sale securities	$ (440)	$ (1,702)	$ (762)	$ (3,917)