Income Taxes - Narrative (Details) - USD ($) $ in Millions |
1 Months Ended | 9 Months Ended | |
|---|---|---|---|
Jan. 31, 2019 |
Sep. 30, 2019 |
Sep. 30, 2018 |
|
| Income Tax Disclosure [Abstract] | Ìý | Ìý | Ìý |
| Land sale | $ 100.0 | $ 113.0 | $ 4.3 |
| Current federal income tax liability reduction | Ìý | 20.1 | Ìý |
| Current federal income tax expense reduction | Ìý | 20.1 | Ìý |
| Deferred federal income tax liability increase | Ìý | 20.1 | Ìý |
| Deferred federal income tax expense increase | Ìý | $ 20.1 | Ìý |
| X | ||||||||||
- Definition Deferred Federal Income Tax Expense, Increase From 1031 Exchange No definition available.
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| X | ||||||||||
- Definition Deferred Federal Income Tax Liability, Increase From 1031 Exchange No definition available.
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| X | ||||||||||
- Definition Income Tax Expense, Decrease From 1031 Exchange No definition available.
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| X | ||||||||||
- Definition Income Tax Liability, Decrease From 1031 Exchange No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Cash received for the sale of real estate that is not part of an investing activity during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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