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Basis of Presentation and Summary of Significant Accounting Policies (Narrative) (Details) |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
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Nov. 15, 2016 funeral_homes | May 31, 2016 funeral_homes | Sep. 30, 2016 USD ($) funeral_homes | Mar. 31, 2016 USD ($) | Sep. 30, 2016 | Dec. 31, 2016 USD ($) funeral_homes cemeteries states segment shares | Dec. 31, 2015 USD ($) shares | Dec. 31, 2014 USD ($) funeral_homes shares | Aug. 29, 2016 USD ($) | Aug. 15, 2016 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill, Impaired, Period In Which Two-Step Goodwill Impairment Is Performed |  |  |  |  | 3 years |  |  |  |  |
Impairment charge for other-than-temporary declines in fair value |  |  |  |  |  | $ 2,300,000 | $ 1,800,000 |  |  |
Debt Issuance Costs, Net |  |  |  |  |  | $ 1,270,000 | 1,445,000 |  |  |
Number of owned and operated funeral homes (in Funeral Homes) | funeral_homes |  |  |  |  |  | 170 |  |  |  |
Number of states in which the entity operated funeral homes (in States) | states |  |  |  |  |  | 28 |  |  |  |
Number of owned and operated cemeteries (in Cemetaries) | cemeteries |  |  |  |  |  | 32 |  |  |  |
Number of states in which the entity operated cemeteries (in States) | states |  |  |  |  |  | 11 |  |  |  |
Number of business segments | segment |  |  |  |  |  | 2 |  |  |  |
Cumulative payments to trigger recognition, percent of contract price |  |  |  |  |  | 10.00% |  |  |  |
Amortization Of Cemetery Property |  |  |  |  |  | $ 3,900,000 | 3,400,000 | $ 2,800,000 |  |
Accounts receivable, current |  |  |  |  |  | 18,860,000 | 18,181,000 |  |  |
Bad debt |  |  |  |  |  | $ 2,098,000 | 1,679,000 | 2,877,000 |  |
Number Of Institutions To Which Management Services Are Provided |  |  |  |  |  | 2 |  |  |  |
The percentage of trust assets in custody of institution receiving trust management services |  |  |  |  |  | 79.00% |  |  |  |
Depreciation |  |  |  |  |  | $ 11,500,000 | 10,400,000 | $ 9,200,000 |  |
Impairment of long lived assets |  |  |  |  |  |  | $ 0 |  |  |
Number of funeral homes acquired | funeral_homes |  |  |  |  |  | 6 |  |  |  |
Incremental common shares attributable to dilutive effect of conversion of debt securities | shares |  |  |  |  |  | 491,000 | 276,000 | 0 |  |
Goodwill Impairment, Two Step Test, Market Approach, Percentage |  |  |  |  |  | 10.00% |  |  |  |
Goodwill Impairment, Two Step Test, Income Approach, Percentage |  |  |  |  |  | 90.00% |  |  |  |
Change to income tax expense (benefit) |  |  |  |  |  |  | $ 1,700,000 |  |  |
Unrecognized tax benefits, decrease to interest on income tax expense |  |  |  |  |  |  | 600,000 |  |  |
Impairment of intangibles |  |  |  |  |  | $ 145,000 | 0 | $ 1,180,000 |  |
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  | $ 0 | 0 | $ 392,000 |  |
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 |  |  |  |  |
Increase (Decrease) To Deferred Tax Liability, Re-measurement Upon Completion Of Tax Examination |  |  |  |  |  |  |  |  | $ 600,000 |
Separate Income Tax Return |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Number of States in Which Entity Files Separate State Income Tax Returns | states |  |  |  |  |  | 15 |  |  |  |
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] |  |  |  |  |  |  |  |  |  |
Accounts receivable, current |  |  |  |  |  | $ 8,700,000 | 8,200,000 |  |  |
Accounts receivable, noncurrent |  |  |  |  |  | 7,800,000 | 7,300,000 |  |  |
Cemetery |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Accounts receivable, current |  |  |  |  |  | 9,900,000 | 9,700,000 |  |  |
Accounts receivable, noncurrent |  |  |  |  |  | 22,600,000 | 20,700,000 |  |  |
Kentucky |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Number of funeral homes sold | funeral_homes |  |  |  |  |  |  |  | 1 |  |
Ohio |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Number of funeral homes sold | funeral_homes |  |  |  |  |  |  |  | 1 |  |
Florida |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Number of funeral homes sold | funeral_homes |  |  |  |  |  |  |  | 2 |  |
Service Corporation International (SCI) |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Acquired real estate |  |  |  | $ 2,700,000 |  |  |  |  |  |
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 |  |  |  | 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 |  |  |  |
Burlington/Graham, North Carolina [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Number of funeral homes acquired | funeral_homes | 2 |  |  |  |  | 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 |  |  |  |  |  |  |
Accounting Standards Update 2015-03 [Member] | Long-term Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  |  |  |  |  | $ 3,600,000 | 4,200,000 |  |  |
Convertible subordinated notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  |  |  |  |  | 2,268,000 | 2,769,000 |  |  |
Discontinued Operations, Disposed of by Sale [Member] | Florida, Ohio, and Kentucky [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  | 0 | 0 | $ 392,000 |  |
Discontinued Operations, Disposed of by Sale [Member] | Tennessee |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  | 1,350,000 |  |  |  |
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  | $ 173,000 | $ 0 | $ 0 |  |
State |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority |  |  |  |  |  |  |  |  | $ 600,000 | $ 200,000

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