Income Taxes - Schedule of Common Stock Distribution (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Dividends Payable [Line Items]
Dividends, amount per share	$ 1.4800	$ 1.4800	$ 1.4800
Qualified dividend income for purposes of Code Section 1(h)(11)		0.0164
Qualified business income for purpose of Code Section 199A	0.7633	0.9414
Ordinary dividends
Dividends Payable [Line Items]
Dividends, amount per share	0.7633	0.9578	1.4800
Capital gains
Dividends Payable [Line Items]
Dividends, amount per share	0.2714	0.5222	0
Nondividend distributions
Dividends Payable [Line Items]
Dividends, amount per share	$ 0.4453	$ 0	$ 0