Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2016

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,
	2016			2015			2016			2015
Reconciliation of Retail Gross Margin to Income before taxes
Income before income tax expense	$	7,930		$	6,455		$	48,388		$	24,442
Interest and other income	(240		)	(5		)	(340		)	(326		)
Interest expense	1,270			800			2,855			1,415
Operating Income	8,960			7,250			50,903			25,531
Depreciation and amortization	8,295			7,557			23,337			17,873
General and administrative	18,009			15,493			55,188			43,909
Less:
Net asset optimization (expenses) revenues	108			(545		)	(42		)	1,317
Net, Gain (losses) on non-trading derivative instruments	(1,183		)	132			2,519			(5,876		)
Net, Cash settlements on non-trading derivative instruments	(8,889		)	4,035			3,341			12,643
Retail Gross Margin	$	45,228		$	26,678		$	123,610		$	79,229

Schedule of Segment Reporting Information, by Segment

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

Three Months Ended September 30, 2016	Retail Electricity			Retail Natural Gas			Corporate and Other		Eliminations		Spark Retail
Total Revenues	$	144,243		$	13,851		$	—	$	—	$	158,094
Retail cost of revenues	113,600			9,230			—		—		122,830
Less:
Net asset optimization expenses	—			108			—		—		108
Gains on non-trading derivatives	68			(1,251		)	—		—		(1,183		)
Current period settlements on non-trading derivatives	(8,614		)	(275		)	—		—		(8,889		)
Retail Gross Margin	$	39,189		$	6,039		$	—	$	—	$	45,228

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 expenses	—		(545		)	—		—		(545		)
Gains (losses) gains 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

Nine Months Ended September 30, 2016	Retail Electricity		Retail Natural Gas			Corporate and Other		Eliminations			Spark Retail
Total revenues	$	293,571	$	84,450		$	—	$	—		$	378,021
Retail cost of revenues	209,617		38,976			—		—			248,593
Less:
Net asset optimization expenses	—		(42		)	—		—			(42		)
(Losses) gains on non-trading derivatives	997		1,522			—		—			2,519
Current period settlements on non-trading derivatives	731		2,610			—		—			3,341
Retail Gross Margin	$	82,226	$	41,384		$	—	$	—		$	123,610
Total Assets at September 30, 2016	$	474,575	$	185,145		$	170,074	$	(492,063	)	$	337,731
Goodwill at September 30, 2016	$	77,271	$	2,285		$	—	$	—		$	79,556

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
(Losses) gains 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 at December 31, 2015	$	150,245		$	113,583		$	88,823	$	(190,417	)	$	162,234
Goodwill at December 31, 2015	$	16,476		$	1,903		$	—	$	—		$	18,379