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Consolidated 50% Owned Subsidiaries, including Variable Interest Entities ("VIE") - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Noncontrolling Interest [Line Items] |  |  |  |  |
Members’ interest subject to mandatory redemption | $ 40,000 |  | $ 40,000 |  | $ 40,000
Net accumulated earnings | 4,700 | $ 2,600 | 5,300 | $ 2,500 |
Myers |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Cash Surrender Value of Life Insurance | 20,000 |  | 20,000 |  |
Variable Interest Entity, Primary Beneficiary |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Members’ interest subject to mandatory redemption | 40,000 |  | 40,000 |  |
Variable Interest Entity, Primary Beneficiary | Myers |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Members’ interest subject to mandatory redemption | $ 20,000 |  | $ 20,000 |  |

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- Definition Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6812-107765 + 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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