Condensed Consolidated Statements of Financial Condition (Parenthetical) (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Securities held to maturity, fair value	$ 393,749	$ 350,595
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares authorized (in shares)	3,000,000	3,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, shares outstanding (in shares)	102,303,974	102,114,664
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	123,603,380	123,603,380
Treasury Stock, Common, Shares	21,299,406	21,488,716