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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
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%