CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Securities available-for-sale, encumbered	$ 239,953	$ 293,968
Allowance for credit loss	1,128	1,467
Securities held-to-maturity, net estimated fair value	1,110,041	1,152,744
Securities held-to-maturity, net encumbered	778,268	756,706
Equity investments, encumbered		40,122
Allowance for loan credit losses	$ 56,824	$ 48,850
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, liquidation preference	$ 1	$ 1
Preferred stock, shares authorized (shares)	5,000,000	5,000,000
Preferred stock, shares issued (shares)	57,370	57,370
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (shares)	150,000,000	150,000,000
Common stock, shares issued (shares)	61,877,686	61,535,381
Common stock, shares outstanding (shares)	59,144,128	59,175,046
Treasury stock, shares (shares)	2,733,558	2,360,335