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Consolidated 50% Owned Subsidiaries, including Variable Interest Entities ("VIE") - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Noncontrolling Interest [Line Items] |  |  |  |  |
Members’ interest subject to mandatory redemption | $ 40,000 |  | $ 40,000 |  | $ 40,000
Total disability insurance policies, per policy amount | 20,000 |  | 20,000 |  |
Net accumulated earnings | 5,100 | $ 4,500 | 10,400 | $ 7,000 |
Variable Interest Entity, Primary Beneficiary |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Members’ interest subject to mandatory redemption | 40,000 |  | 40,000 |  |
Myers | Variable Interest Entity, Primary Beneficiary |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Members’ interest subject to mandatory redemption | $ 20,000 |  | $ 20,000 |  |

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- Definition Death And Disability Insurance Policies, Per Policy Amount + References No definition available. + Details
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- Definition The Member's interest subject to mandatory redemption. + References No definition available. + Details
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- Definition Amount before tax of income (loss) of subsidiary attributable to the parent entity. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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