XML 63 R38.htm IDEA: XBRL DOCUMENT

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, 2020	Dec. 31, 2019	Dec. 31, 2018
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)	89.30%	29.70%	56.00%
Return of capital
Income Tax Characterization [Line Items]
Income tax characterization of dividends paid (as a percent)	0.00%	35.20%	44.00%
Capital gains
Income Tax Characterization [Line Items]
Income tax characterization of dividends paid (as a percent)	10.70%	35.10%	0.00%