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Preneed Trust Investments (Cost and fair market values associated with preneed funeral trust investments) (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016
Preneed Cemetery Trust Investments [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | $ 71,988,000 |  | $ 71,988,000 |  | $ 71,252,000
Unrealized Gains | 4,121,000 |  | 4,121,000 |  | 4,425,000
Unrealized Losses | (4,383,000) |  | (4,383,000) |  | (4,572,000)
Fair Market Value | 71,726,000 |  | 71,726,000 |  | 71,105,000
Preneed cemetery trust investments | $ 72,336,000 |  | $ 72,336,000 |  | $ 71,834,000
Fair market value as a percentage of cost | 99.60% |  | 99.60% |  | 99.80%
Impairment charge, other than temporary decline in fair value of investments | $ 0 | $ 0 | $ 0 | $ 700,000 |
Preneed Cemetery Trust Investments [Member] | Mortgage Backed Securities [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost |  |  |  |  | $ 949,000
Unrealized Gains |  |  |  |  | 372,000
Unrealized Losses |  |  |  |  | (4,000)
Fair Market Value |  |  |  |  | 1,317,000
Preneed Cemetery Trust Investments [Member] | Accrued Investment Income [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 610,000 |  | 610,000 |  | 729,000
Fair Market Value | 610,000 |  | 610,000 |  | 729,000
Preneed Funeral Trust Investments [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 90,737,000 |  | 90,737,000 |  | 91,335,000
Unrealized Gains | 4,317,000 |  | 4,317,000 |  | 4,609,000
Unrealized Losses | (4,467,000) |  | (4,467,000) |  | (4,716,000)
Fair Market Value | 90,587,000 |  | 90,587,000 |  | 91,228,000
Preneed cemetery trust investments | $ 91,225,000 |  | $ 91,225,000 |  | $ 91,980,000
Fair market value as a percentage of cost | 99.80% |  | 99.80% |  | 99.90%
Impairment charge, other than temporary decline in fair value of investments |  |  | $ 0 | $ 764,974 |
Preneed Funeral Trust Investments [Member] | Accrued Investment Income [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | $ 638,000 |  | 638,000 |  | $ 752,000
Fair Market Value | 638,000 |  | 638,000 |  | 752,000
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 | 5,565,000 |  | 5,565,000 |  | 10,852,000
Unrealized Gains | 0 |  | 0 |  | 0
Unrealized Losses | 0 |  | 0 |  | 0
Fair Market Value | 5,565,000 |  | 5,565,000 |  | 10,852,000
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 | 23,621,000 |  | 23,621,000 |  | 13,250,000
Unrealized Gains | 2,425,000 |  | 2,425,000 |  | 2,191,000
Unrealized Losses | (2,975,000) |  | (2,975,000) |  | (1,838,000)
Fair Market Value | 23,071,000 |  | 23,071,000 |  | 13,603,000
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 | 16,550,000 |  | 16,550,000 |  | 22,787,000
Unrealized Gains | 0 |  | 0 |  | 0
Unrealized Losses | 0 |  | 0 |  | 0
Fair Market Value | 16,550,000 |  | 16,550,000 |  | 22,787,000
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 |  | 1,491,000
Unrealized Gains | 16,000 |  | 16,000 |  | 21,000
Unrealized Losses | (5,000) |  | (5,000) |  | (10,000)
Fair Market Value | 1,502,000 |  | 1,502,000 |  | 1,502,000
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 | 23,659,000 |  | 23,659,000 |  | 13,675,000
Unrealized Gains | 2,460,000 |  | 2,460,000 |  | 2,256,000
Unrealized Losses | (2,986,000) |  | (2,986,000) |  | (1,850,000)
Fair Market Value | 23,133,000 |  | 23,133,000 |  | 14,081,000
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 |  |  |  |  | 496,000
Unrealized Gains |  |  |  |  | 18,000
Unrealized Losses |  |  |  |  | (4,000)
Fair Market Value |  |  |  |  | 510,000
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 | 4,826,000 |  | 4,826,000 |  | 7,574,000
Unrealized Gains | 212,000 |  | 212,000 |  | 160,000
Unrealized Losses | (252,000) |  | (252,000) |  | (656,000)
Fair Market Value | 4,786,000 |  | 4,786,000 |  | 7,078,000
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 | 19,323,000 |  | 19,323,000 |  | 20,621,000
Unrealized Gains | 969,000 |  | 969,000 |  | 1,569,000
Unrealized Losses | (637,000) |  | (637,000) |  | (1,123,000)
Fair Market Value | 19,655,000 |  | 19,655,000 |  | 21,067,000
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 | 16,304,000 |  | 16,304,000 |  | 16,287,000
Unrealized Gains | 185,000 |  | 185,000 |  | 8,000
Unrealized Losses | (496,000) |  | (496,000) |  | (947,000)
Fair Market Value | 15,993,000 |  | 15,993,000 |  | 15,348,000
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 | 1,151,000 |  | 1,151,000 |  |
Unrealized Gains | 264,000 |  | 264,000 |  |
Unrealized Losses | (22,000) |  | (22,000) |  |
Fair Market Value | 1,393,000 |  | 1,393,000 |  |
Fair Value, Inputs, Level 2 [Member] | Preneed Cemetery Trust Investments [Member] | Fixed Income [Member] |  |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |  |
Cost | 1,198,000 |  | 1,198,000 |  | 1,223,000
Unrealized Gains | 66,000 |  | 66,000 |  | 107,000
Unrealized Losses | (1,000) |  | (1,000) |  | 0
Fair Market Value | 1,263,000 |  | 1,263,000 |  | 1,330,000
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 |  |  |  |  | 447,000
Unrealized Gains |  |  |  |  | 17,000
Unrealized Losses |  |  |  |  | (4,000)
Fair Market Value |  |  |  |  | 460,000
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 | 4,910,000 |  | 4,910,000 |  | 7,692,000
Unrealized Gains | 219,000 |  | 219,000 |  | 170,000
Unrealized Losses | (252,000) |  | (252,000) |  | (677,000)
Fair Market Value | 4,877,000 |  | 4,877,000 |  | 7,185,000
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 | 20,373,000 |  | 20,373,000 |  | 21,454,000
Unrealized Gains | 1,007,000 |  | 1,007,000 |  | 1,566,000
Unrealized Losses | (654,000) |  | (654,000) |  | (1,134,000)
Fair Market Value | 20,726,000 |  | 20,726,000 |  | 21,886,000
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 | 16,934,000 |  | 16,934,000 |  | 17,037,000
Unrealized Gains | 261,000 |  | 261,000 |  | 64,000
Unrealized Losses | (501,000) |  | (501,000) |  | (970,000)
Fair Market Value | 16,694,000 |  | 16,694,000 |  | 16,131,000
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 | 1,360,000 |  | 1,360,000 |  | 1,165,000
Unrealized Gains | 282,000 |  | 282,000 |  | 400,000
Unrealized Losses | (24,000) |  | (24,000) |  | (5,000)
Fair Market Value | 1,618,000 |  | 1,618,000 |  | 1,560,000
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 | 2,030,000 |  | 2,030,000 |  | 2,124,000
Unrealized Gains | 72,000 |  | 72,000 |  | 115,000
Unrealized Losses | (45,000) |  | (45,000) |  | (66,000)
Fair Market Value | 2,057,000 |  | 2,057,000 |  | 2,173,000
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 | 3,430,000 |  | 3,430,000 |  | 3,463,000
Unrealized Gains | 0 |  | 0 |  | 0
Unrealized Losses | 0 |  | 0 |  | 0
Fair Market Value | $ 3,430,000 |  | $ 3,430,000 |  | $ 3,463,000

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