Cemetery Perpetual Care Trusts Investment Related Activities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Investment related activities [Line Items]
Realized gains from sales of available-for-sale securities	$ 37,789	$ 20,763	$ 121,710	$ 108,604
Realized losses from sales of available-for-sale securities	(6,632)	(13,050)	(22,615)	(49,193)
Cemetery Perpetual Care [Member]
Investment related activities [Line Items]
Deposits	6,139	6,501	19,789	18,866
Withdrawals	9,388	9,239	26,009	23,422
Purchases of available-for-sale securities	23,050	24,467	113,497	126,478
Sales of available-for-sale securities	25,805	27,733	82,556	101,110
Realized gains from sales of available-for-sale securities	4,871	3,328	13,772	7,522
Realized losses from sales of available-for-sale securities	$ (966)	$ (1,518)	$ (1,728)	$ (5,435)