Consolidated Statements of Condition (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Held-to-maturity, fair value	$ 3,754,794	$ 3,820,882
Common Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, authorized (in shares)	500,000,000	500,000,000
Common Stock, issued (in shares)	58,775,870	58,765,907
Common Stock, outstanding (in shares)	39,765,375	39,762,255
Treasury Stock (in shares)	19,010,495	19,003,609
Preferred Series A Stock
Preferred Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, authorized (in shares)	180,000	180,000
Preferred Stock, issued (in shares)	180,000	180,000
Preferred Stock, outstanding (in shares)	180,000	180,000
Preferred Series B Stock
Preferred Stock, par value (in dollars per share)	$ 0.01
Preferred Stock, authorized (in shares)	165,000
Preferred Stock, issued (in shares)	165,000
Preferred Stock, outstanding (in shares)	165,000