Consolidated Statements of Financial Condition (Parentheticals) - $ / shares	Dec. 31, 2022	Dec. 31, 2021
Preferred stock, no par value (in dollars per share)	$ 0	$ 0
Preferred stock, liquidation preference par share (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, authorized shares (in shares)	5,000,000	5,000,000
Preferred Stock, Shares Issued (in shares)	115,000	115,000
Preferred stock, outstanding shares (in shares)	115,000	115,000
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, issued (in shares)	41,942,149	42,820,008
Common stock, outstanding (in shares)	39,243,123	39,568,090
Treasury stock, shares (in shares)	2,699,026	2,251,918