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Preneed Trust Investments (Purchases and sales of investments in preneed cemetery trusts) (Details) (Preneed Cemetery Trust Investments [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Preneed Cemetery Trust Investments [Member]
       
Schedule of Trading Securities and Other Trading Assets [Line Items]        
Purchases $ (11,543) $ (33,060) $ (15,705) $ (57,099)
Sales $ 13,811 $ 33,404 $ 18,820 $ 57,492