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Basis of Presentation and Summary of Significant Accounting Policies (Narrative) (Details) shares in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 USD ($) states | Sep. 30, 2016 USD ($) funeral_homes | Dec. 31, 2017 USD ($) funeral_homes locations states segment shares | Dec. 31, 2016 USD ($) funeral_homes locations shares | Dec. 31, 2015 USD ($) locations shares
Debt Instrument [Line Items] |  |  |  |  |
Number of operating locations at year end | locations |  |  | 210 | 202 | 199
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense |  |  | $ 94,000,000 |  |
Taxes paid on restricted stock vestings and exercises of non-qualified options |  |  | (509,000) | $ (578,000) | $ (1,582,000)
Impairment charge for other-than-temporary declines in fair value |  |  | 2,300,000 |  |
Debt Issuance Costs, Net | $ 967,000 |  | $ 967,000 | 1,270,000 |
Number of states in which the entity operated funeral homes (in States) | states | 29 |  | 29 |  |
Number of states in which the entity operated cemeteries (in States) | states | 11 |  | 11 |  |
Number of business segments | segment |  |  | 2 |  |
Cumulative payments to trigger recognition, percent of contract price |  |  | 10.00% |  |
Amortization Of Cemetery Property |  |  | $ 3,300,000 | 3,900,000 | 3,400,000
Accounts receivable, current | $ 19,655,000 |  | 19,655,000 | 18,860,000 |
Bad debt |  |  | $ 2,198,000 | 2,098,000 | 1,679,000
Number Of Institutions To Which Management Services Are Provided | 1 |  | 1 |  |
The percentage of trust assets in custody of institution receiving trust management services | 80.00% |  | 80.00% |  |
Depreciation |  |  | $ 12,600,000 | $ 11,500,000 | $ 10,400,000
Impairment of long lived assets |  |  | $ 0 |  |
Number of funeral homes acquired | funeral_homes |  |  | 7 | 6 |
Incremental common shares attributable to dilutive effect of conversion of debt securities | shares |  |  | 941 | 491 | 276
Goodwill Impairment, Two Step Test, Market Approach, Percentage |  |  | 10.00% |  |
Goodwill Impairment, Two Step Test, Income Approach, Percentage |  |  | 90.00% |  |
Number Of Funeral Homes From Which Land Buildings Were Purchased | funeral_homes |  | 4 |  |  |
Impairment Of Intangible Assets, Period In Which Intangible Asset Impairment Is Performed |  |  | 3 years |  |
Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Deferred Tax Asset, Provisional Income Tax Expense |  |  | $ 17,200,000 |  |
Qualifying Assets Placed In Service, Expensed | $ 2,900,000 |  |  |  |
Separate Income Tax Return |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of States in Which Entity Files Separate State Income Tax Returns | states |  |  | 16 |  |
Combined or unitary income tax return |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of States in Which Entity Files Unitary Tax Returns | states |  |  | 13 |  |
Funeral |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of operating locations at year end | locations |  |  | 178 | 170 | 167
Cemetery |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of operating locations at year end | locations |  |  | 32 | 32 | 32
Service Corporation International (SCI) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Acquired real estate |  |  | $ 1,300,000 | $ 2,700,000 |
Colorado And New York [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Property, plant & equipment | 12,195,000 |  | $ 12,195,000 |  |
Houston, Texas And Madera, California [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Property, plant & equipment |  |  |  | $ 15,972,000 |
Houston, Texas [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of funeral homes acquired | funeral_homes |  |  |  | 2 |
Madera, California [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of funeral homes acquired | funeral_homes |  |  |  | 1 |
Brooksfield, Wisconsin [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of funeral homes acquired | funeral_homes |  |  |  | 1 |
Longmont, Colorado [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of funeral homes acquired | funeral_homes |  |  | 1 |  |
Loveland, Colorado [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of funeral homes acquired | funeral_homes |  |  | 1 |  |
Long Island, New York [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of funeral homes acquired | funeral_homes |  |  | 5 |  |
NORTH CAROLINA |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of funeral homes acquired | funeral_homes |  |  |  | 2 |
Land and Building |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Property, Plant and Equipment, Additions |  |  |  | $ 6,300,000 |
Trade Names |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |  | $ 145,000 | $ 0 |  |
Accounting Standards Update 2015-03 [Member] | Long-term Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Issuance Costs, Net | (2,700,000) |  | (2,700,000) | (3,600,000) |
Convertible subordinated notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Issuance Costs, Net | 1,750,000 |  | 1,750,000 | 2,268,000 |
Discontinued Operations, Disposed of by Sale [Member] | Tennessee |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration | $ 600,000 |  | 600,000 | 1,350,000 |
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  | $ 281,000 | $ 173,000 | $ 0

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