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Income Taxes - Schedule of Effective Income Tax Reconciliation (Footnote) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Income Tax Disclosure [Abstract] |  |
Increase decrease in income tax expense as result of effectively connected income | $ 2.6 | $ (3.3)

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