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Income Taxes Effective Tax Rate Reconciliation (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Effective Tax Rate Reconciliation [Abstract] |  |  |
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority |  | $ 92,000,000 | $ 36,619,000
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | $ (187,218,000) | $ (166,497,000) | $ 63,053,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 35.00% | 35.00% | 35.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Amount | $ (18,960,000) | $ (29,526,000) | $ (42,302,000)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Percent | 3.50% | 6.20% | (23.50%)
Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount | $ 0 | $ 0 | $ 1,235,000
Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Percent | (0.00%) | (0.00%) | 0.70%
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount | $ (6,789,000) | $ 13,576,000 | $ (8,331,000)
Effective Income Tax Rate Reconciliation, Tax Contingency, Percent | 1.30% | (2.90%) | (4.60%)
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount | $ 36,619,000 | $ (36,000) | $ (5,248,000)
Effective Income Tax Rate Reconciliation, Tax Settlement, Percent | (6.80%) | 0.00% | (3.00%)
Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Amount | $ (25,629,000) | $ (10,109,000) | $ 5,235,000
Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Percent | 4.80% | 2.10% | 2.90%
Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Amount | $ 20,047,000 | $ 39,492,000 | $ (1,436,000)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent | (3.70%) | (8.30%) | (0.80%)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | $ 187,759,000 | $ 25,903,000 | $ 0.000
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent | (35.10%) | (5.00%) |
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount | $ 1,966,000 | $ 964,000 | $ 1,411,000
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent | (0.40%) | 0.20% | (1.00%)
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount | $ 2,215,000 | $ 794,000 | $ 4,057,000
Effective Income Tax Rate Reconciliation, Deduction, Other, Percent | (0.50%) | 0.20% | (2.10%)
Income Tax Expense (Benefit) | $ 10,010,000 | $ (125,439,000) | $ 15,204,000
Effective Income Tax Rate Reconciliation, Percent | (1.90%) | 26.30% | 8.30%

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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