Annual report pursuant to Section 13 and 15(d)

Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details)

v2.4.0.6
Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Income Taxes [Abstract]    
Property and equipment $ 63,328 $ 2,370
Other 4,707 3,274
Total deferred tax liabilities 68,035 5,644
Minimum tax credit   3,558
State net operating loss 4,626 4,176
Derivatives 1,096 4,622
Valuation allowance (4,626) (4,176)
Accrued cash-based bonus 5,390 4,022
Stock-based compensation 3,971 1,581
Other 704 464
Total deferred tax assets 11,161 14,247
Net deferred tax (liabilities) assets $ (56,874) $ 8,603