Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

Income tax expense (benefit) consisted of the following (in thousands):

	Year Ended December 31,
	2019			2018			2017
Current:
U.S.—Federal	$	(3,203	)	$	(328	)	$	—
U.S.—State	400			—			2
Deferred:
U.S.—Federal	(58,461		)	426			(1,321		)
U.S.—State	(8,425		)	235			—
Total	$	(69,689	)	$	333		$	(1,319	)

Schedule of Effective Income Tax Rate Reconciliation

Income tax expense was different from the amounts computed by applying U.S. Federal income tax rate to pretax income as a result of the following:

	Year Ended December 31,
	2019		2018		2017
Federal statutory rate	21.0	%	21.0	%	35.0	%
State income taxes, net of federal benefit	(1.1	)%	0.6	%	—	%
Change in valuation allowance related to current activity	227.1	%	(21.3	)%	(30.1	)%
Change in valuation allowance related to change in tax rate	—	%	—	%	(291.2	)%
Change in tax rate	—	%	—	%	291.2	%
Permanent items	(4.3	)%	1.3	%	1.1	%
Provision to return adjustments and other	(1.4	)%	(0.8	)%	(7.9	)%
Actual income tax rate	241.3	%	0.8	%	(1.9	)%

Schedule of Deferred Tax Assets and Liabilities

Deferred tax assets (liabilities) are comprised of the following (in thousands):

	December 31,
	2019			2018
Deferred tax assets:
Net operating loss	$	373,717		$	396,033
Property, plant, and equipment	—			8,323
Intangible assets	—			444
Other	19,560			17,886
Total deferred tax assets	393,277			422,686
Valuation allowance	(330,251		)	(394,196		)
Net deferred tax assets	63,026			28,490
Deferred tax liabilities:
Inventory	5,738			—
Property and equipment	64,281			—
Investment in Laramie Energy	11,609			26,981
Convertible notes	2,285			2,658
Intangible assets	750			—
Other	4,904			496
Total deferred tax liabilities	89,567			30,135
Total deferred tax liability, net	$	(26,541	)	$	(1,645	)