Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) |
Dec. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Income Tax Disclosure [Abstract] | ||
| Unrecognized tax benefits | $ 0 | $ 0 |
| Accrued interest related to unrecognized tax benefits | 0 | 0 |
| Accrued penalties related to unrecognized tax benefits | $ 0 | $ 0 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of interest expense accrued for an underpayment of income taxes. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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