CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Consolidated Statements of Financial Condition [Abstract]
Amortized cost	$ 5,695,485	$ 5,863,294
Available-for-sale, allowance for credit losses	442	511
Held to Maturity Fair value	338,120	346,132
Allowance for credit losses, Held-to-Maturity securities	1,235	2,197
Allowance for credit losses on loans and finance leases	$ 263,592	$ 261,843
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	166,707,047	169,302,812
Legal Surplus Amount	$ 199,576	$ 199,576
Treasury Stock Shares	56,956,069	54,360,304
Income tax expense	$ 8,581	$ 8,581