Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Earnings Per Share [Line Items]
Net income (loss) from continuing operations	$ 40,659	$ (88,924)	$ (46,509)
Net income (loss) from discontinued operations	0	4,018	3,584
Net income (loss)	$ 40,659	$ (84,906)	$ (42,925)
Weighted average shares:
Basic shares	40,580	36,214	25,450
Effect of dilutive securities—options and warrants outstanding	$ 3,039	$ 0	$ 0
Diluted shares	43,619	36,214	25,450
Earnings (loss) per share - Basic:
Continuing operations	$ 1.00	$ (2.45)	$ (1.83)
Discontinued operations	0	0.11	0.14
Net income (loss)	1.00	(2.34)	(1.69)
Earnings (loss) per share (diluted) :
Continuing operations	0.93	(2.45)	(1.83)
Discontinued Operations	0	0.11	0.14
Net income (loss)	$ 0.93	$ (2.34)	$ (1.69)