Income Taxes - Federal Income Tax Note (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Ordinary dividends (in dollars per share)	$ 846,500	$ 925,100
Section 199A dividends (in dollars per share)	0.8159	0.9251
Qualified dividend (in dollars per share)	0.0306	0
Non-dividend distribution (in dollars per share)	$ 0.0985	$ 0