Significant Accounting Policies (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Significant Accounting Policies Details [Abstract]
Accrued and unpaid professional fees			$ 3,800
Discount Rate Future Net Revenues			10.00%
Earnings Per Share Reconciliation [Abstract]
Net Income (Loss)	$ 98,407	$ (3,096)	$ 90,577	$ (2,581)
Weighted Average Number of Shares Outstanding, Basic	153,392	153,250	153,368	153,171
Incremental Common Shares Attributable to Share-based Payment Arrangements	729	0	709	0
Weighted Average Number of Shares Outstanding, Diluted	154,121	153,250	154,077	153,171
Earnings Per Share, Basic	$ 0.64	$ (0.02)	$ 0.59	$ (0.02)
Earnings Per Share, Diluted	$ 0.64	$ (0.02)	$ 0.59	$ (0.02)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	503	1,600	1,450	1,700
Unamortized debt issuance costs reclassified					$ 19,400