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Income Taxes - Federal Income Tax Treatment of Common Dividends (Details) - Common Stock - $ / shares | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income Tax [Line Items] |  |  |
Ordinary Income (A) | $ 0.5800 | $ 0.7650 | $ 0.6858
Unrecaptured Section 1250 Capital Gain | 0.2576 | 0.1074 | 0.1497
Other Capital Gain | 0.1624 | 0.0460 | 0.0330
Qualified Dividend | 0 | 0.0016 | 0.0015
Distributions Per Common Share | $ 1.0000 | $ 0.9200 | $ 0.8700
Ordinary Income as a Percentage of Distributions | 58.00% | 83.15% | 78.83%
Unrecaptured Section 1250 Gain as a Percentage of Distributions | 25.76% | 11.68% | 17.21%
Capital Gain as a Percentage of Distributions | 16.24% | 5.00% | 3.79%
Qualified Dividend as a Percentage Of Distributions | 0.00% | 0.17% | 0.17%
Common Distributions Percentage | 100.00% | 100.00% | 100.00%

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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