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

Amount of Net Income (Loss) attributable to noncontrolling interest.

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