Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2021

Segment Reporting [Abstract]

Reconciliation of Retail Gross Margin to Income Before Income Tax Expense

Below is a reconciliation of retail gross margin to income before income tax expense (in thousands):

	Three Months Ended March 31,
	2021		2020
Reconciliation of Retail Gross Margin to (loss) income before taxes
(Loss) income before income tax (benefit) expense	$	(29,095)	$	11,993
Interest and other income	(86)		(160)
Interest expense	1,311		1,553
Operating (loss) income	(27,870)		13,386
Depreciation and amortization	6,036		8,796
General and administrative	12,671		25,676
Less:
Net asset optimization (expense) revenue	(140)		321
Net, gain (loss) on non-trading derivative instruments	7,054		(24,533)
Net, Cash settlements on non-trading derivative instruments	(1,189)		16,609
Non-recurring event - Winter Storm Uri	(64,900)		—
Retail Gross Margin	$	50,012	$	55,461

Financial Data for Business Segments

Financial data for business segments are as follows (in thousands):

Three Months Ended March 31, 2021
	Retail Electricity		Retail Natural Gas		Corporate and Other		Eliminations		Consolidated
Total Revenues	$	78,755	$	34,390	$	(140)	$	—	$	113,005
Retail cost of revenues	107,524		14,644		—		—		122,168
Less:
Net asset optimization expense	—		—		(140)		—		(140)
Net, gain on non-trading derivative instruments	6,705		349		—		—		7,054
Current period settlements on non-trading derivatives	(1,188)		(1)		—		—		(1,189)
Non-recurring event - Winter Storm Uri	(64,900)		—		—		—		(64,900)
Retail Gross Margin	$	30,614	$	19,398	$	—	$	—	$	50,012
Total Assets at March 31, 2021	$	2,961,333	$	970,315	$	330,327	$	(3,897,648)	$	364,327
Goodwill at March 31, 2021	$	117,813	$	2,530	$	—	$	—	$	120,343

Three Months Ended March 31, 2020
	Retail Electricity		Retail Natural Gas		Corporate and Other		Eliminations		Consolidated
Total revenues	$	121,768	$	44,592	$	321	$	—	$	166,681
Retail cost of revenues	100,383		18,440		—		—		118,823
Less:
Net asset optimization revenue	—		—		321		—		321
Net, loss on non-trading derivative instruments	(24,386)		(147)		—		—		(24,533)
Current period settlements on non-trading derivatives	14,965		1,644		—		—		16,609
Retail Gross Margin	$	30,806	$	24,655	$	—	$	—	$	55,461
Total Assets at December 31, 2020	$	2,906,139	$	941,569	$	318,865	$	(3,799,906)	$	366,667
Goodwill at December 31, 2020	$	117,813	$	2,530	$	—	$	—	$	120,343