CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)		$ (447,710)	$ 666,051	$ 170,935
Reclassification to earnings	[1]	0	0	1,115
Pension liability adjustment	[2]	(2,090)	(5,896)	2,483
Total other comprehensive income (loss), net of tax		(2,090)	(5,896)	3,598
Total comprehensive income (loss)		$ (449,800)	$ 660,155	$ 174,533

[1] Reclassification from accumulated other comprehensive loss related to de-designated hedges. Refer to Note 10 - Derivative Financial Instruments for further information.

[2] Refer to Note 1 - Summary of Significant Accounting Policies for detail of the pension amount reclassified to general and administrative expense on the Company’s consolidated statements of operations.