Consolidated Statements of Financial Condition (Parentheticals) - $ / shares	Dec. 31, 2023	Dec. 31, 2022
Preferred Stock, No Par Value (in dollars per share)	$ 0	$ 0
Peferred Stock, Liquidation Preference Per Share (in dollars per share)	$ 1,000	$ 1,000
Preferred Stock, Shares Authorized (in shares)	5,000,000	5,000,000
Preferred Stock, Shares Issued (in shares)	115,000	115,000
Preferred Stock, Shares Outstanding (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, Shares, Issued (in shares)	42,122,948	41,942,149
Common Stock, Shares, Outstanding (in shares)	38,519,770	39,243,123
Treasury Stock, Common, Shares (in shares)	3,603,178	2,699,026