CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ (23,342)	$ 111,951	$ 10,334
Other comprehensive income (loss), net of tax:
Change in unrealized gains/losses on available-for-sale securities, net (net of tax effect of $2, $0, $0)	142	(133)	(109)
Change in unrealized gains/losses on derivative contracts, net (net of tax effect of $28, $0, $0)	(1,546)	4,091	(2,009)
Total comprehensive income (loss), net of tax	$ (24,746)us-gaap_ComprehensiveIncomeNetOfTax	$ 115,909us-gaap_ComprehensiveIncomeNetOfTax	$ 8,216us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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