Consolidated Statements of Financial Condition (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Restricted cash	$ 57,355	$ 47,945
Securities held-to-maturity, allowance for credit losses	1,089	1,087
Securities held-to-maturity, assets pledged	4,503	4,595
Securities held-to-maturity, fair value	61,070	65,755
Securities available for sale, amortized cost	1,631,164	954,164
Securities available for sale, pledged as collateral	232,029	195,444
Securities available for sale, fair value option	$ 13,358	$ 13,359
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	34,087,623	34,087,623
Common stock, shares outstanding (in shares)	29,068,880	28,865,810
Treasury stock, at average cost (in shares)	5,018,743	5,221,813