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Income Taxes Narrative (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2016
Income tax expense (benefit), continuing operations, adjustment of deferred tax (asset) liability | $ 70,400,000 | $ 70,400,000 |
Increase (decrease) in other deferred liability |  | (59,100,000) |
Tax net operating loss carryforwards | 48,722,000 | 48,722,000 | $ 20,839,000
Deferred tax assets, net operating loss carryforwards state | 46,400,000 | 46,400,000 | 18,500,000
Valuation allowance, amount | 47,955,000 | 47,955,000 | 20,419,000
Unrecognized tax benefits | 0 | 0 | 0
State Tax Net Operating Losses [Member] |  |  |
Valuation allowance, amount | $ 46,400,000 | $ 46,400,000 | $ 18,400,000
Percent of deferred tax asset for which valuation allowance has been recognized | 100.00% | 100.00% | 100.00%
Foreign Tax Net Operating Losses [Member] |  |  |
Valuation allowance, amount | $ 1,600,000 | $ 1,600,000 | $ 2,000,000
Percent of deferred tax asset for which valuation allowance has been recognized | 68.00% | 68.00% | 85.00%

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=96869850&loc=d3e28680-109314 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319 + Details
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