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Preneed Trust Investments (Purchases and sales of investments in preneed funeral trusts) (Details) - Preneed Funeral Trust Investments - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Schedule of Trading Securities and Other Trading Assets [Line Items]      
Purchases $ (26,021) $ (57,297) $ (38,592)
Sales $ 42,582 $ 60,352 $ 39,853