CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Interest-bearing deposits in other banks, collateral	$ 4,270	$ 4,650
Amortized Cost	4,504,342	4,834,550
Allowance for credit losses on held-to-maturity debt securities	8	10
Investment securities, held-to-maturity-at cost, fair value	985,931	1,040,104
Allowance for credit losses on loans and leases	$ 186,126	$ 151,861
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	90,000,000	90,000,000
Common stock, issued (in shares)	76,095,094	75,921,997
Treasury stock (in shares)	15,557,263	14,310,085