CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ (186,061)	$ 3,725	$ (373,609)	$ 22,690
Other comprehensive income (loss)
Gain (loss) on investments available for sale	14	(7)	1	14
Comprehensive income (loss)	$ (186,047)	$ 3,718	$ (373,608)	$ 22,704