Income Taxes (Summary of Federal Operating Loss Carryforwards) (Details) $ in Thousands |
Dec. 31, 2017
USD ($)
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Operating Loss Carryforwards [Line Items] | |
Federal NOL carryforwards | $ 463,985 |
2018-2023 | |
Operating Loss Carryforwards [Line Items] | |
Federal NOL carryforwards | 111,431 |
2024-2026 | |
Operating Loss Carryforwards [Line Items] | |
Federal NOL carryforwards | 14,408 |
2027-2029 | |
Operating Loss Carryforwards [Line Items] | |
Federal NOL carryforwards | 41,379 |
2030-2032 | |
Operating Loss Carryforwards [Line Items] | |
Federal NOL carryforwards | 42,158 |
2033-2037 | |
Operating Loss Carryforwards [Line Items] | |
Federal NOL carryforwards | $ 254,609 |
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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