CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Interest-bearing deposits in banks and other financial institutions, collateral	$ 6,030	$ 5,050
Amortized cost	5,016,103	5,249,882
Allowance for credit losses	6	4
Held-to-maturity securities, fair value	1,063,352	94,131
Allowance for credit losses	$ 141,970	$ 94,507
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)	75,870,300	57,695,676
Treasury stock, shares (in shares)	12,283,026	10,086,936