CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Net income (loss)	$ 170,935,000		$ (54,249,000)		$ 215,416,000
Reclassification to earnings	1,115,000		(2,264,000)		12,997,000
Pension liability adjustment	2,483,000	[1]	(2,470,000)	[1]	(1,795,000)	[1]
Total other comprehensive income (loss), net of tax	3,598,000		(4,734,000)		11,202,000
Total comprehensive income (loss)	174,533,000		(58,983,000)		226,618,000
General and Administrative Expense [Member]
Pension liability adjustment	$ (768,000)		$ (487,000)		$ (262,000)

[1] mounts are reclassified to General and administrative expense on the Company's consolidated statements of operations. The net of tax effect of the reclassification was approximately $768,000 in 2013. The accompan