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Preneed Trust Investments (Components of preneed funeral trust investments) (Details) - Preneed Funeral Trust Investments - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Preneed cemetery trust investments, at market value | $ 93,341 | $ 91,980
Less: allowance for contract cancellation | (2,659) | (2,740)
Available-for-sale securities, current | $ 90,682 | $ 89,240

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- Definition Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer, before allowance for related contract cancellations. + References No definition available. + Details
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- Definition Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26626-111562 + Details
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