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Subsidiaries and Joint Ventures With Noncontrolling Owners' Interests - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Noncontrolling Interest [Line Items] |  |  |  |  |
Members’ interest subject to mandatory redemption | $ 40,000 |  | $ 40,000 |  | $ 40,000
Myers |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Noncontrolling interest, ownership percentage by noncontrolling owners | 50.00% |  | 50.00% |  |
Net accumulated earnings | $ 4,500 | $ 3,400 | $ 7,000 | $ 7,300 |

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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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- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
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- Details
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