Income Taxes (Details) - USD ($) $ in Millions |
Jun. 30, 2018 |
Dec. 31, 2017 |
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| Income Tax [Abstract] | ||
| Deferred Tax Assets, Deferred Income | $ 4.6 | $ 4.0 |
| Valuation Allowances and Reserves, Balance | $ (4.6) | $ (4.0) |
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- Definition Income Tax [Abstract] No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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