Basis of Presentation and Significant Accounting Policies Income Taxes (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Basis of Presentation and Significant Accounting Policies [Abstract] | |||
| Percent of REIT taxable income the company is required to distribute | 90.00% | ||
| Federal income tax rate applicable to corporations | 21.00% | 35.00% | 35.00% |
| Tax provision related to the decrease in the federal income tax rate applicable to corporations | $ 17.8 | $ 17.5 | |
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- Definition Basis of Presentation and Significant Accounting Policies [Abstract] No definition available.
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| X | ||||||||||
- Definition Percent of taxable income REITs are required to distribute to stockholders. No definition available.
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| X | ||||||||||
- Definition Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from 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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