Unaudited Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Cash dividends declared, per share, common stock (in dollars per share)	$ 0.12	$ 0.12	$ 0.36	$ 0.36
Cash dividends declared, per share, preferred stock (in dollars per share)	$ 18.75		$ 56.25