v3.3.1.900

Income Taxes (Effective Income Tax Expense (Benefit) Rate) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Tax [Line Items] |  |  |
Federal statutory tax expense (benefit) rate | 35.00% | 35.00% | 35.00%
State tax expense (benefit), net of federal benefit | 5.10% | 1.90% | (69.80%)
Depletion in excess of basis | 0.00% | (0.30%) | (14.70%)
Valuation allowances | (46.30%) | (35.80%) | 89.80%
Effective Income Tax Rate Reconciliation Change in Deferred Tax Assets, Valuation Allowance Due to Foreign Taxes | (49.40%) | 0.00% | (19.80%)
Foreign taxes | 3.10% | 1.20% | (10.80%)
Intraperiod allocation | 0.00% | 0.00% | 4.50%
Change in unrecognized tax benefits | 1.20% | (0.40%) | (30.10%)
Effective Income Tax Rate Reconciliation Nondeductible Expense Disallowed Compensation | 3.10% | 0.10% | 11.70%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent | 0.60% | 0.10% | 8.60%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent | 0.50% | 0.10% | 3.30%
Permanent differences and other items | (0.70%) | 0.40% | 4.80%
Effective income tax expense (benefit) rate | (47.80%) | 2.30% | 12.50%

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