Income Taxes (Tables)

6 Months Ended

Jun. 30, 2021

Income Tax Disclosure [Abstract]

Schedule of provision for income taxes [Table Text Block]

The provision for income taxes for the three and six months ended June 30, 2021, and 2020, consisted of the following:

	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2021			2020			2021			2020
	(in thousands)
Current portion of income tax (expense) benefit:
Federal	$	—		$	—		$	—		$	—
State	—			(236)			(158)			(575)
Deferred portion of income tax benefit	162			36,921			214			136,268
Income tax benefit	$	162		$	36,685		$	56		$	135,693
Effective tax rate	0.1		%	29.1		%	—		%	21.3		%