Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

Below is a reconciliation of retail gross margin to (loss) income before income tax expense.

	Years Ended December 31,
(in thousands)	2014			2013			2012
Reconciliation of Retail Gross Margin to (Loss)income before taxes
(Loss) income before income tax expense	$	(5,156	)	$	31,468		$	26,139
Interest and other income	(263		)	(353		)	(62		)
Interest expense	1,578			1,714			3,363
Operating Income	(3,841		)	32,829			29,440
Depreciation and amortization	22,221			16,215			22,795
General and administrative	45,880			35,020			47,321
Less:
Net asset optimization revenue	2,318			314			(1,136		)
Net, Gains (losses) on non-trading derivative instruments	(8,713		)	1,429			(19,016		)
Net, Cash settlements on non-trading derivative instruments	(6,289		)	653			26,489
Retail Gross Margin	$	76,944		$	81,668		$	93,219

Schedule of Segment Reporting Information, by Segment

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

Year Ended December 31, 2014	Retail Electricity			Retail Natural Gas			Corporate and Other		Eliminations			Total Spark Retail
Total Revenues	$	176,406		$	146,470		$	—	$	—		$	322,876
Retail cost of revenues	149,452			109,164			—		—			258,616
Less:
Net asset optimization revenues	—			2,318			—		—			2,318
Net, Gains (losses) on non-trading derivative instruments	(518		)	(8,195		)	—		—			(8,713		)
Current period settlements on non-trading derivatives	(5,145		)	(1,144		)	—		—			(6,289		)
Retail gross margin	$	32,617		$	44,327		$	—	$	—		$	76,944
Total Assets	$	46,848		$	101,711		$	27,285	$	(37,447	)	$	138,397

Year Ended December 31, 2013	Retail Electricity		Retail Natural Gas			Corporate and Other		Eliminations			Total Spark Retail
Total Revenues	$	191,872	$	125,218		$	—	$	—		$	317,090
Retail cost of revenues	149,885		83,141			—		—			233,026
Less:
Net asset optimization revenues	—		314			—		—			314
Net, Gains (losses) on non-trading derivative instruments	1,336		93			—		—			1,429
Current period settlements on non-trading derivatives	1,349		(696		)	—		—			653
Retail gross margin	$	39,302	$	42,366		$	—	$	—		$	81,668
Total Assets	$	41,879	$	87,985		$	953	$	(21,744	)	$	109,073

Year Ended December 31, 2012	Retail Electricity			Retail Natural Gas			Corporate and Other		Eliminations		Spark Retail
Total Revenues	$	256,357		$	122,705		$	—	$	—	$	379,062
Retail cost of revenues	202,440			77,066			—		—		279,506
Less:
Net asset optimization revenues	—			(1,136		)	—		—		(1,136		)
Net, Gains (losses) on non-trading derivative instruments	(17,400		)	(1,616		)	—		—		$	(19,016	)
Current period settlements on non-trading derivatives	18,577			7,912			—		—		26,489
Retail gross margin	$	52,740		$	40,479		$	—	$	—	$	93,219