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Income Taxes Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2016
Income Tax Disclosure [Abstract] |
Summary Of Tax Components Of Common And Preferred Dividends Declared And Distributions [Table Text Block] | A summary of the income tax characterization of our distributions paid per common share for the years ended December 31, 2016, 2015 and 2014 is set forth in the following table:
|  | Year Ended December 31,
|  | 2016 |  | 2015 |  | 2014
Common Share Distributions |  |  |  |  |  |
Ordinary income |  | $ | — |  |  | $ | 1.88 |  |  | $ | 1.23 |
Long-term capital gain |  | 5.02 |  |  | 0.70 |  |  | 1.02 |
Unrecaptured Sec. 1250 gain |  | 2.23 |  |  | 0.22 |  |  | 0.39 |
Total |  | $ | 7.25 |  |  | $ | 2.80 |  |  | $ | 2.64 |
Percentage of distributions representing tax preference items |  | 0.34 | % |  | 3.73 | % |  | 4.17 | %

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- Definition A schedule that shows summary of estimated percentage of tax component of common and preferred dividends declared and distributions during the period. + References No definition available. + Details
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Data Type: | nonnum:textBlockItemType
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- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration