CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 121,220	$ (138,225)	$ (170,378)
Other Comprehensive Income (Loss), net of tax:
Other comprehensive income (loss)	0	0	0
Comprehensive Income (Loss)	$ 121,220	$ (138,225)	$ (170,378)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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