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Preneed Cemetery Activities Investments Classified by Contractual Maturity Date (Details) - Cemetery
$ in Thousands
Mar. 31, 2017
USD ($)
Investments Classified By Contractual Maturity Date [Line Items]  
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value $ 3,306
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value 14,675
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value 198
Available-for-sale Securities, Debt Maturities, Total, Fair Value $ 18,179