Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash dividends declared, common stock (in dollars per share)	$ 0.48	$ 0.46	$ 0.40
Cash dividends declared, preferred stock (in dollars per share)	$ 18.75