Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Consolidated Statements of Financial Condition
Securities held-to-maturity, fair value	$ 189,221	$ 209,887
Preferred stock, no par value	$ 0	$ 0
Preferred stock, authorized	500,000	500,000
Preferred Stock, Shares Issued	0	0
Common Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Common Stock, Shares Authorized	20,000,000	20,000,000
Common Stock, Shares Issued	5,151,279	5,151,279
Common Stock, Shares, Outstanding	5,018,129	5,003,059
Treasury Stock, Shares	133,150	148,220