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Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Tax Characterizations of Dividends Paid (Details) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Characterization [Line Items] |  |  |
Income tax characterization of dividends paid (as a percent) | 100.00% | 100.00% | 100.00%
Ordinary income |  |  |
Income Tax Characterization [Line Items] |  |  |
Income tax characterization of dividends paid (as a percent) | 29.70% | 56.00% | 65.20%
Return of capital |  |  |
Income Tax Characterization [Line Items] |  |  |
Income tax characterization of dividends paid (as a percent) | 35.20% | 44.00% | 24.30%
Capital gains |  |  |
Income Tax Characterization [Line Items] |  |  |
Income tax characterization of dividends paid (as a percent) | 35.10% | 0.00% | 10.50%

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