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Preneed Cemetery Activities Preneed Cemetery Activities, Textuals (Details) - Cemetery [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments $ 32,700    
Available-for-sale securities, estimated maturity date, maximum 2041    
Investment Earnings, Net $ 44,500 $ 45,500 $ 48,200
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net $ 5,872 $ 4,345 $ 60,040