Subsequent Events - Common Stock Dividend (Details) - $ / shares			3 Months Ended
	May 04, 2021	Feb. 23, 2021	Mar. 31, 2021	Mar. 31, 2020
Subsequent Event [Line Items]
Quarterly dividend of common stock declared (in dollars per share)		$ 0.462	$ 0.4620	$ 0.6875
Subsequent Event [Member]
Subsequent Event [Line Items]
Quarterly dividend of common stock declared (in dollars per share)	$ 0.462
Authorized annual dividends (in dollars per share)	$ 1.848