Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common dividends declared (in dollars per share)	$ 0.27	$ 0.27	$ 0.27	$ 0.40
Series A Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred dividends declared (in dollars per share)	0.5125	0.5125	0.5125	0.5125
Series B Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred dividends declared (in dollars per share)	$ 0.5156	$ 0.5156	$ 0.5156	$ 0.5156