Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Stockholders' Equity [Abstract]
Dividends declared, common stock (dollars per share)	$ 0.44	$ 0.44	$ 1.32	$ 1.24
Dividends declared, preferred stock (dollars per share)	$ 2,750	$ 2,750	$ 5,500	$ 5,500