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Income Taxes (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Current |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | $ 237,349,000 | $ 141,305,000 | $ 13,434,000
State |  |  |  |  |  |  |  |  | 25,369,000 | 7,972,000 | 1,262,000
Total current |  |  |  |  |  |  |  |  | 262,718,000 | 149,277,000 | 14,696,000
Deferred |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | (39,857,000) | 40,350,000 | 808,000
State |  |  |  |  |  |  |  |  | 2,723,000 | 19,936,000 | (1,721,000)
Total deferred |  |  |  |  |  |  |  |  | (37,134,000) | 60,286,000 | (913,000)
Total income tax expense | 16,613,000 | 127,618,000 | 91,099,000 | (9,746,000) | 37,103,000 | 68,603,000 | 76,738,000 | 27,119,000 | 225,584,000 | 209,563,000 | 13,783,000
Statutory federal income tax rate (as a percent) |  |  |  |  |  |  |  |  | 35.00% |  |
Reconciliation of total income tax expense (benefit) to income tax expense (benefit) computed by applying the statutory federal income tax rate (35%) to pre-tax income (loss) |  |  |  |  |  |  |  |  |  |  |
Tax computed at federal statutory rate |  |  |  |  |  |  |  |  | 223,361,000 | 205,843,000 | 9,826,000
State income taxes, net of federal tax benefit |  |  |  |  |  |  |  |  | 23,910,000 | 20,600,000 | 1,923,000
State tax incentives, net of federal tax expense |  |  |  |  |  |  |  |  | (5,355,000) | (3,174,000) | (2,382,000)
Domestic production activities deduction |  |  |  |  |  |  |  |  | (16,467,000) | (10,562,000) | (2,025,000)
Non-deductible share-based compensation |  |  |  |  |  |  |  |  | 7,256,000 | 2,000,000 | 6,747,000
Non-deductible transaction costs |  |  |  |  |  |  |  |  | 4,208,000 |  |
IRS interest (income)/expense, net |  |  |  |  |  |  |  |  | 93,000 | 34,000 | (814,000)
Noncontrolling interest |  |  |  |  |  |  |  |  | (11,895,000) | (11,474,000) |
Partnership basis adjustment |  |  |  |  |  |  |  |  |  | 4,174,000 |
Other, net |  |  |  |  |  |  |  |  | 473,000 | 2,122,000 | 508,000
Total income tax expense | 16,613,000 | 127,618,000 | 91,099,000 | (9,746,000) | 37,103,000 | 68,603,000 | 76,738,000 | 27,119,000 | 225,584,000 | 209,563,000 | 13,783,000
Deferred income tax assets: |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | 751,000 |  |  |  | 475,000 |  |  |  | 751,000 | 475,000 |
Personnel accruals | 12,925,000 |  |  |  | 6,437,000 |  |  |  | 12,925,000 | 6,437,000 |
Inventories | 3,606,000 |  |  |  | 2,097,000 |  |  |  | 3,606,000 | 2,097,000 |
Unrealized derivative losses, net | 26,206,000 |  |  |  |  |  |  |  | 26,206,000 |  |
Accrued expenses | 2,080,000 |  |  |  | 101,000 |  |  |  | 2,080,000 | 101,000 |
State tax credit carryforward, net of federal expense | 14,425,000 |  |  |  | 17,682,000 |  |  |  | 14,425,000 | 17,682,000 |
Contingent liabilities | 10,845,000 |  |  |  |  |  |  |  | 10,845,000 |  |
Deferred financing |  |  |  |  | 76,000 |  |  |  |  | 76,000 |
Other | 2,050,000 |  |  |  | 2,695,000 |  |  |  | 2,050,000 | 2,695,000 |
Total gross deferred income tax assets | 72,888,000 |  |  |  | 29,563,000 |  |  |  | 72,888,000 | 29,563,000 |
Deferred income tax liabilities: |  |  |  |  |  |  |  |  |  |  |
Unrealized derivative gains, net |  |  |  |  | (31,990,000) |  |  |  |  | (31,990,000) |
Property, plant, and equipment | (282,219,000) |  |  |  | (224,452,000) |  |  |  | (282,219,000) | (224,452,000) |
Investment in CVR Partners | (109,701,000) |  |  |  | (134,920,000) |  |  |  | (109,701,000) | (134,920,000) |
Deferred financing | (1,046,000) |  |  |  |  |  |  |  | (1,046,000) |  |
Prepaid expenses | (9,439,000) |  |  |  | (4,945,000) |  |  |  | (9,439,000) | (4,945,000) |
Total gross deferred income tax liabilities | (402,405,000) |  |  |  | (396,307,000) |  |  |  | (402,405,000) | (396,307,000) |
Net deferred income tax liabilities | (329,517,000) |  |  |  | (366,744,000) |  |  |  | (329,517,000) | (366,744,000) |
American Entertainment Properties Corp |  |  |  |  |  |  |  |  |  |  |
Kansas High Performance Incentive Program (HPIP) credits |  |  |  |  |  |  |  |  |  |  |
Receivable under the federal tax sharing agreement | 9,200,000 |  |  |  |  |  |  |  | 9,200,000 |  |
Federal taxes paid to AEPC under the Tax Sharing Agreement |  |  |  |  |  |  |  |  | 150,700,000 |  |
Kansas |  |  |  |  |  |  |  |  |  |  |
Kansas High Performance Incentive Program (HPIP) credits |  |  |  |  |  |  |  |  |  |  |
Net income tax benefit recognized from Kansas High Performance Incentive Program |  |  |  |  |  |  |  |  | 4,500,000 | 3,200,000 | 2,400,000
Kansas High Performance Incentive Program (HPIP) credits for qualified business facility investment earned |  |  |  |  |  |  |  |  | 6,900,000 | 4,900,000 | 3,700,000
Oklahoma |  |  |  |  |  |  |  |  |  |  |
Kansas High Performance Incentive Program (HPIP) credits |  |  |  |  |  |  |  |  |  |  |
Net income tax benefit recognized from qualified manufacturing facility investment |  |  |  |  |  |  |  |  | 900,000 |  |
Qualified manufacturing facility investment credit earned |  |  |  |  |  |  |  |  | $ 1,300,000 |  |

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