Income Taxes (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Sep. 30, 2019 |
|
| Income Tax Disclosure [Abstract] | |||
| Income tax expense (benefit) | $ (5,397) | $ 605 | |
| Federal statutory rate (as a percent) | 21.00% | ||
| Unrecognized tax benefits | $ 12,579 | $ 15,526 | |
| Unrecognized tax benefits that would impact effective tax rate | 9,365 | 11,417 | |
| Decrease reasonably possible in next 12 months | 3,340 | ||
| Total penalties and interest accrued | $ 2,730 | $ 2,880 | |
| X | ||||||||||
- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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