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Income Taxes (Taxability of Cash Distributions Paid on Common Shares) (Details) - Parent Company - $ / shares | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Investments, Owned, Federal Income Tax Note |  |  |
Ordinary income (dollars per share) | $ 3.51 | $ 3.66 | $ 2.79
Return of capital (dollars per share) | 0.21 | 0.02 | 0.31
Un-recaptured Section 1250 gain dividends per share | 0.12 | 0.01 | 0.38
Total (dollars per share) | $ 3.84 | $ 3.69 | $ 3.48
Ordinary income (percentage per share) | 91.40% | 99.30% | 80.20%
Return of capital (percentage per share) | 5.50% | 0.60% | 8.90%
Un-recaptured Section 1250 gain dividends per share percentage | 3.10% | 0.10% | 10.90%
Total (percentage per share) | 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=27012166&loc=d3e187085-122770 + Details
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