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Income Taxes Narrative (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Mar. 21, 2018
Valuation Allowance [Line Items] |  |  |  |
Net Operating Loss - State | $ 202,913,000 | $ 124,341,000 |  |
Deferred tas asset, federal alternative minimum tax credit | 51,241,000 | 102,482,000 |  |
Decrease in federal alternative minimum tax | 51,241,000 |  |  |
Valuation allowance on foreign tax credits | 43,194,000 | 43,194,000 |  |
Valuation Allowance | 125,054,000 | 94,455,000 |  |
Deferred tax asset related to state operating losses | 130,430,000 | 110,339,000 |  |
Reduction in income tax expense due to non-controlling interest | (23,662,000) | (18,181,000) | $ 0 |
Tax Cuts And Jobs Act Of 2017, revaluation of deferred tax assets and liabilities, benefit |  |  | 115,291,000 |
Tax Cuts and Jobs Act of 2017, AMT credit carryforward |  | 12,413,000 | $ 154,385,000 |
Tax Cuts And Jobs Act Of 2017, federal net operating loss carryback |  | 23,483,000 |  |
Unrecognized tax benefits that would impact effective tax rate | 31,516,000 | 31,516,000 |  |
Increase in Unrecognized Tax Benefits Resulting from Tax Positions Taken During Prior Periods | 0 | 2,140,000 |  |
Reduction to unrecognized tax benefits, from position taken on state tax return | 0 | 8,437,000 |  |
Accrued liability relating to uncertain tax positions | 0 | 0 |  |
Interest income included in accrued interest liability | 644,000 | 337,000 |  |
Accrued liabilities for tax penalties | 0 |  |  |
Reduction to net operation loss, resulting from income tax examination |  |  |  | $ 108,651,000
Alternative Minimum Tax Credit |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
Increase (decrease) in valuation allowance, federal alternative minimum tax credit |  | 12,413,000 |  |
Charitable Contributions |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
Increase (decrease) in valuation allowance, federal alternative minimum tax credit | (2,639,000) |  |  |
Valuation Allowance | 658,000 | 3,297,000 |  |
State operating losses |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
Valuation Allowance | $ 81,202,000 | $ 47,964,000 |  |

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