Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
Reconciliation of Retail Gross Margin to Income before taxes
Income before income tax expense	$	6,455		$	1,032		$	24,442		$	7,906
Interest and other income	(5		)	(40		)	(326		)	(111		)
Interest expense	800			615			1,415			1,150
Operating Income	7,250			1,607			25,531			8,945
Depreciation and amortization	7,557			4,113			17,873			10,324
General and administrative	15,493			10,634			43,909			28,494
Less:
Net asset optimization revenue	(545		)	(141		)	1,317			1,681
Net, Gains (losses) on non-trading derivative instruments	132			(1,163		)	(5,876		)	5,847
Net, Cash settlements on non-trading derivative instruments	4,035			3,039			12,643			(9,959		)
Retail Gross Margin	$	26,678		$	14,619		$	79,229		$	50,194

Schedule of Segment Reporting Information, by Segment

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

Three Months Ended September 30, 2015	Retail Electricity		Retail Natural Gas			Corporate and Other		Eliminations			Spark Retail
Total Revenues	$	76,913	$	14,354		$	—	$	—		$	91,267
Retail cost of revenues	50,787		10,180			—		—			60,967
Less:
Net asset optimization revenues	—		(545		)	—		—			(545		)
Gains (losses) on non-trading derivatives	3,891		(3,759		)	—		—			132
Current period settlements on non-trading derivatives	3,310		725			—		—			4,035
Retail Gross Margin	$	18,925	$	7,753		$	—	$	—		$	26,678
Total Assets	$	147,037	$	101,844		$	96,319	$	(184,747	)	$	160,453

Three Months Ended September 30, 2014	Retail Electricity		Retail Natural Gas			Corporate and Other		Eliminations			Spark Retail
Total revenues	$	51,748	$	16,469		$	—	$	—		$	68,217
Retail cost of revenues	41,628		10,235			—		—			51,863
Less:
Net asset optimization revenues	—		(141		)	—		—			(141		)
Gains (losses) on non-trading derivatives	445		(1,608		)	—		—			(1,163		)
Current period settlements on non-trading derivatives	2,906		133			—		—			3,039
Retail Gross Margin	$	6,769	$	7,850		$	—	$	—		$	14,619
Total Assets	$	47,677	$	92,974		$	20,309	$	(38,886	)	$	122,074

Nine Months Ended September 30, 2015	Retail Electricity			Retail Natural Gas			Corporate and Other		Eliminations			Spark Retail
Total revenues	$	170,060		$	93,253		$	—	$	—		$	263,313
Retail cost of revenues	122,864			53,136			—		—			176,000
Less:
Net asset optimization revenues	—			1,317			—		—			1,317
Gains (losses) on non-trading derivatives	(2,201		)	(3,675		)	—		—			(5,876		)
Current period settlements on non-trading derivatives	5,727			6,916			—		—			12,643
Retail Gross Margin	$	43,670		$	35,559		$	—	$	—		$	79,229
Total Assets	$	147,037		$	101,844		$	96,319	$	(184,747	)	$	160,453

Nine Months Ended September 30, 2014	Retail Electricity			Retail Natural Gas			Corporate and Other		Eliminations			Spark Retail
Total revenues	$	137,968		$	102,166		$	—	$	—		$	240,134
Retail cost of revenues	114,997			77,374			—		—			192,371
Less:
Net asset optimization revenues	—			1,681			—		—			1,681
Gains (losses) on non-trading derivatives	6,037			(190		)	—		—			5,847
Current period settlements on non-trading derivatives	(7,585		)	(2,374		)	—		—			(9,959		)
Retail Gross Margin	$	24,519		$	25,675		$	—	$	—		$	50,194
Total Assets	$	47,677		$	92,974		$	20,309	$	(38,886	)	$	122,074