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Preneed Trust Investments (Cost and fair market values associated with preneed funeral trust investments) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Preneed Cemetery Trust Investments [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | $ 70,450,000 |  | $ 70,450,000 |  | $ 73,148,000
Unrealized Gains | 2,657,000 |  | 2,657,000 |  | 796,000
Unrealized Losses | (6,018,000) |  | (6,018,000) |  | (9,083,000)
Fair Market Value | 67,089,000 |  | 67,089,000 |  | 64,861,000
Preneed cemetery trust investments | $ 68,009,000 |  | $ 68,009,000 |  | $ 65,486,000
Fair market value as a percentage of cost | 95.20% |  | 95.20% |  | 88.70%
Impairment charge, other than temporary decline in fair value of investments | $ 100,000 | $ 0 | $ 800,000 | $ 700,000 |
Preneed Cemetery Trust Investments [Member] | Accrued Investment Income [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 920,000 |  | 920,000 |  | $ 625,000
Fair Market Value | 920,000 |  | 920,000 |  | 625,000
Preneed Funeral Trust Investments [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 90,706,000 |  | 90,706,000 |  | 96,343,000
Unrealized Gains | 2,761,000 |  | 2,761,000 |  | 1,057,000
Unrealized Losses | (6,116,000) |  | (6,116,000) |  | (9,644,000)
Fair Market Value | 87,351,000 |  | 87,351,000 |  | 87,756,000
Preneed cemetery trust investments | $ 88,281,000 |  | $ 88,281,000 |  | $ 88,444,000
Fair market value as a percentage of cost | 96.30% |  | 96.30% |  | 91.08705%
Impairment charge, other than temporary decline in fair value of investments | $ 100,000 | $ 0 | $ 900,000 | $ 600,000 |
Preneed Funeral Trust Investments [Member] | Accrued Investment Income [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 930,000 |  | 930,000 |  | $ 688,000
Fair Market Value | 930,000 |  | 930,000 |  | 688,000
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Cash and Money Market Accounts [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 7,888,000 |  | 7,888,000 |  | 8,296,000
Unrealized Gains | 0 |  | 0 |  | 0
Unrealized Losses | 0 |  | 0 |  | 0
Fair Market Value | 7,888,000 |  | 7,888,000 |  | 8,296,000
Fair Value, Inputs, Level 1 [Member] | Preneed Cemetery Trust Investments [Member] | Common Stock [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 11,888,000 |  | 11,888,000 |  | 20,387,000
Unrealized Gains | 440,000 |  | 440,000 |  | 682,000
Unrealized Losses | (3,144,000) |  | (3,144,000) |  | (3,161,000)
Fair Market Value | 9,184,000 |  | 9,184,000 |  | 17,908,000
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Cash and Money Market Accounts [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 21,030,000 |  | 21,030,000 |  | 21,458,000
Unrealized Gains | 0 |  | 0 |  | 0
Unrealized Losses | 0 |  | 0 |  | 0
Fair Market Value | 21,030,000 |  | 21,030,000 |  | 21,458,000
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | U.S. Treasury Debt [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 1,491,000 |  | 1,491,000 |  | 1,492,000
Unrealized Gains | 48,000 |  | 48,000 |  | 24,000
Unrealized Losses | 0 |  | 0 |  | (12,000)
Fair Market Value | 1,539,000 |  | 1,539,000 |  | 1,504,000
Fair Value, Inputs, Level 1 [Member] | Preneed Funeral Trust Investments [Member] | Common Stock [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 11,981,000 |  | 11,981,000 |  | 20,864,000
Unrealized Gains | 413,000 |  | 413,000 |  | 738,000
Unrealized Losses | (3,198,000) |  | (3,198,000) |  | (3,114,000)
Fair Market Value | 9,196,000 |  | 9,196,000 |  | 18,488,000
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Municipal Bonds [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 498,000 |  | 498,000 |  | 458,000
Unrealized Gains | 0 |  | 0 |  | 0
Unrealized Losses | 0 |  | 0 |  | (63,000)
Fair Market Value | 498,000 |  | 498,000 |  | 395,000
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Foreign Government Debt Securities [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 8,614,000 |  | 8,614,000 |  | 4,803,000
Unrealized Gains | 268,000 |  | 268,000 |  | 0
Unrealized Losses | (741,000) |  | (741,000) |  | (695,000)
Fair Market Value | 8,141,000 |  | 8,141,000 |  | 4,108,000
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Corporate Debt [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 23,717,000 |  | 23,717,000 |  | 22,968,000
Unrealized Gains | 1,790,000 |  | 1,790,000 |  | 85,000
Unrealized Losses | (1,413,000) |  | (1,413,000) |  | (4,279,000)
Fair Market Value | 24,094,000 |  | 24,094,000 |  | 18,774,000
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Preferred Stock [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 16,371,000 |  | 16,371,000 |  | 16,236,000
Unrealized Gains | 30,000 |  | 30,000 |  | 29,000
Unrealized Losses | (704,000) |  | (704,000) |  | (885,000)
Fair Market Value | 15,697,000 |  | 15,697,000 |  | 15,380,000
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Mortgage Backed Securities [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 245,000 |  | 245,000 |  |
Unrealized Gains | 0 |  | 0 |  |
Unrealized Losses | (16,000) |  | (16,000) |  |
Fair Market Value | 229,000 |  | 229,000 |  |
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Municipal Bonds [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 441,000 |  | 441,000 |  |
Unrealized Gains | 0 |  | 0 |  |
Unrealized Losses | 0 |  | 0 |  |
Fair Market Value | 441,000 |  | 441,000 |  |
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | U.S. Agency Obligations [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost |  |  |  |  | 478,000
Unrealized Gains |  |  |  |  | 0
Unrealized Losses |  |  |  |  | (66,000)
Fair Market Value |  |  |  |  | 412,000
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Foreign Government Debt Securities [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 8,640,000 |  | 8,640,000 |  | 4,938,000
Unrealized Gains | 255,000 |  | 255,000 |  | 0
Unrealized Losses | (748,000) |  | (748,000) |  | (711,000)
Fair Market Value | 8,147,000 |  | 8,147,000 |  | 4,227,000
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Corporate Debt [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 24,292,000 |  | 24,292,000 |  | 24,787,000
Unrealized Gains | 1,800,000 |  | 1,800,000 |  | 133,000
Unrealized Losses | (1,429,000) |  | (1,429,000) |  | (4,711,000)
Fair Market Value | 24,663,000 |  | 24,663,000 |  | 20,209,000
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Preferred Stock [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 16,815,000 |  | 16,815,000 |  | 17,496,000
Unrealized Gains | 103,000 |  | 103,000 |  | 158,000
Unrealized Losses | (705,000) |  | (705,000) |  | (914,000)
Fair Market Value | 16,213,000 |  | 16,213,000 |  | 16,740,000
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Mortgage Backed Securities [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 409,000 |  | 409,000 |  | 273,000
Unrealized Gains | 4,000 |  | 4,000 |  | 4,000
Unrealized Losses | (17,000) |  | (17,000) |  | (4,000)
Fair Market Value | 396,000 |  | 396,000 |  | 273,000
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Fixed Income [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 2,139,000 |  | 2,139,000 |  | 959,000
Unrealized Gains | 138,000 |  | 138,000 |  | 0
Unrealized Losses | (19,000) |  | (19,000) |  | (82,000)
Fair Market Value | 2,258,000 |  | 2,258,000 |  | 877,000
Fair Value, Inputs, Level 2 [Member] | Preneed Funeral Trust Investments [Member] | Other Investments [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 3,468,000 |  | 3,468,000 |  | 3,598,000
Unrealized Gains | 0 |  | 0 |  | 0
Unrealized Losses | 0 |  | 0 |  | (30,000)
Fair Market Value | $ 3,468,000 |  | $ 3,468,000 |  | $ 3,568,000

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