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Noncontrolling Interest - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Capital contributions to joint venture | $ 0 |  | $ 0 |
Net income attributable to noncontrolling interest | (849,000) | $ 0 | (1,582,000) | $ 0
Huen Electric Inc [Member] |  |  |  |
Distributions to partners | $ 0 |  | $ 0 |

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