Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Performance Shares [Member]
Net shares issued in satisfaction of units earned, shares (in shares)	52,353	22,350
Cash dividend declared on preferred stock, per share (in dollars per share)	$ 0.328125	$ 0.328125
Cash dividends declared on common stock, per share (in dollars per share)	$ 0.17	$ 0.13
Exercise of options, shares (in shares)	6,473	8,774
Restricted stock grants, shares (i (in shares)	49,202	32,454
Stock grants, shares (in shares)	995	153
Net shares issued in satisfaction of units earned, shares (in shares)	32,068	31,383
Repurchase of stock, shares (in shares)	205,163	144,793