Income Taxes (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Income tax benefit	$ 697,000	$ 0	$ 63,000	$ 0
Derivative valuation expense	$ 3,522,000	$ (87,000)	$ 4,605,000	$ (266,000)
Effective tax rate (percentage)	8.80%	0.00%	(7.80%)	0.00%
Deferred tax assets, net	$ 0		$ 0		$ 0
Uncertain tax positions	$ 0		$ 0		$ 0

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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Amount of unrecognized tax benefits.

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