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v3.19.1

Noncontrolling Interest - Narrative (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Capital contributions to joint venture | $ 0 |
Net income attributable to noncontrolling interest | (733,000) | $ 0
Huen Electric Inc [Member] |  |
Distributions to partners | $ 0 |

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