Income Taxes - (Details) - USD ($) $ in Millions |
1 Months Ended | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|---|
Dec. 31, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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| Income Taxes | |||||
| Accrual of state income taxes, net of federal tax benefit | $ 0.6 | $ 0.6 | |||
| Tax liability increase | $ 0.2 | $ 0.2 | |||
| Effective tax rate (as a percent) | 24.20% | 33.30% | 35.40% | 32.20% | |
| U.S. statutory tax rate (as a percent) | 34.00% | 21.00% | |||
| Tax benefit, separation expenses | $ 0.4 | ||||
| Effective tax rate benefit, separation expenses | 18.00% | ||||
| Effective tax rate, ordinary income (as a percent) | 24.20% | 24.20% | |||
| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount of state income tax liability, net of federal tax benefit recorded as accrual. No definition available.
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| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to ordinary income. No definition available.
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| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to separation expenses. No definition available.
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| X | ||||||||||
- Definition Amount of tax expense (benefit) relating to separation expenses occurring within the period. No definition available.
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| X | ||||||||||
- Definition The amount of increase or decrease in the liability recorded for state income taxes. No definition available.
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