Provision For Income Taxes (DTA and DTL) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets (liabilities):
Derivative assets, liability	$ (23)	$ (15)
Depreciable, depletable property, plant and equipment	21
Depreciable, depletable property, plant and equipment		(112)
Other	2	1
Deferred tax assets:
Deferred tax liabilities:		(126)
Total deferred tax liabilities		$ (126)
Total deferred tax assets

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