CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Condensed Statement Of Financial Condition [Abstract]
Amortized cost	$ 6,398,197	$ 6,534,503
Debt Securities, Available-for-sale, Allowance for Credit Loss	458	1,105
Held to Maturity Fair value	427,115	167,147
Debt Securities, Held-to-maturity, Allowance for Credit Loss	8,286	8,571
Allowance for credit losses on loans and finance leases	$ 260,464	$ 269,030
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	2,000,000,000	2,000,000,000
Common Stock, Shares, Issued	223,663,116	223,663,116
Common stock, shares outstanding	182,709,059	201,826,505
Income tax expense	$ 8,468	$ 9,786
Legal Surplus Amount	$ 168,484	$ 137,591
Treasury Stock Shares	40,954,057	21,836,611