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Preneed Trust Investments (Preneed funeral trust investment security transactions) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |
Impairment charge for other-than-temporary declines in fair value |  | $ 1,800 | $ 400 |
Investment income |  | 5,315 | 4,713 | $ 4,063
Increase in deferred preneed cemetery receipts held in trust |  | (5,751) | (5,825) | (5,574)
Preneed Funeral Trust Investments |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |
Impairment charge for other-than-temporary declines in fair value | $ 600 |  | 100 |
Investment income |  | 2,819 | 3,065 | 3,190
Realized gains |  | 3,931 | 7,184 | 7,957
Realized losses |  | (3,979) | (2,313) | (5,743)
Expenses and taxes |  | (988) | (1,470) | (1,669)
Increase in deferred preneed cemetery receipts held in trust |  | $ (1,783) | $ (6,466) | $ (3,735)

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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e25351-111560 + Details
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