Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Summary of Provision for Income Taxes from Continuing Operations

The following table summarizes our provision for income taxes for the periods presented:


	Year Ended December 31,
	2021		2020		2019
Current income tax expense (benefit)
Federal	$	—	$	(1,236)	$	(1,236)
State	311		357		—
Total current income tax expense (benefit)	311		(879)		(1,236)
Deferred income tax expense (benefit)
Federal	—		1,236		1,236
State	1,249		(2,660)		2,137
Total deferred income tax expense (benefit)	1,249		(1,424)		3,373
Income tax expense (benefit)	$	1,560	$	(2,303)	$	2,137

Income Taxes Reconciliation

The following table reconciles the difference between the income tax expense (benefit) computed by applying the statutory tax rate to our income (loss) before income taxes and our reported income tax expense (benefit) for the periods presented:


	Year Ended December 31,
	2021				2020				2019
Computed at federal statutory rate	$	21,100	21.0	%	$	(65,701)	21.0	%	$	15,272	21.0	%
State income taxes, net of federal income tax benefit	1,560		1.6	%	(1,856)		0.6	%	1,494		2.1	%
Change in valuation allowance	(9,348)		(9.3)	%	64,062		(20.5)	%	(14,240)		(19.6)	%
Noncontrolling interest	(12,501)		(12.4)	%	—		—	%	—		—	%
Other, net	749		0.7	%	1,192		(0.4)	%	(389)		(0.5)	%
	$	1,560	1.6	%	$	(2,303)	0.7	%	$	2,137	3.0	%

Summary of Principal Components of Net Deferred Income Tax Liability

The following table summarizes the principal components of our deferred income tax assets and liabilities as of the dates presented:


	December 31,
	2021		2020
Deferred tax assets:
Net operating loss (“NOL”) carryforwards	$	203,243	$	180,531


Asset retirement obligations	63		1,188
Property and equipment	24,585		—
Pension and postretirement benefits	—		301
Share-based compensation	—		467
Fair value of derivative instruments	493		2,737
Interest expense limitation	13,747		—
ROU assets	—		564
Other	18		1,484
Total deferred tax assets	242,149		187,272
Less: Valuation allowance	(205,617)		(179,006)
Total net deferred tax assets	$	36,532	$	8,266
Deferred tax liabilities:
Property and equipment	$	3,357	$	7,728
Investment in the Partnership	35,968		—
ROU obligations	—		538
Total deferred tax liabilities	$	39,325	$	8,266

Net deferred tax liabilities	$	(2,793)	$	—