Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Restricted Stock Units (RSUs) [Member]
Net shares issued in satisfaction of units earned, shares (in shares)			31,383	14,711
Performance Shares [Member]
Net shares issued in satisfaction of units earned, shares (in shares)			22,350	34,458
Cash dividend declared on preferred stock, per share (in dollars per share)	$ 0.328125		$ 0.65625
Cash dividends declared on common stock, per share (in dollars per share)	$ 0.155	$ 0.11	$ 0.285	$ 0.20
Exercise of options, shares (in shares)	6,312		15,086	5,449
Restricted stock grants, shares (in shares)	20,715	21,213	53,169	47,982
Stock grants, shares (in shares)			153	446
Repurchase of treasury stock, shares (in shares)	302,315		447,108	93,629