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Cemetery Perpetual Care Trusts Level 3 Activities (Details) - Cemetery Perpetual Care [Member] - Other Investments [Member] - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair market value, beginning balance |  | $ 1,902 | $ 1,556 | $ 1,599
Net unrealized (losses) gains included in Accumulated other comprehensive income(1) | [1] | (15) | 346 | (26)
Sales |  | 0 | 0 | (17)
Fair market value, ending balance |  | $ 1,887 | $ 1,902 | $ 1,556
[1] | All unrealized (losses) gains recognized in Accumulated other comprehensive income for our cemetery perpetual care trust investments are offset by a corresponding reclassification in Accumulated other comprehensive income to Care trusts’ corpus. See Note 6 for further information related to our Care trusts’ corpus.

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 + Details
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