Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Statement Of Financial Position [Abstract]
Amortized cost	$ 6,534,503	$ 4,584,851
Debt Securities, Available-for-sale, Allowance for Credit Loss	1,105	1,310
Held to Maturity Fair value	167,147	173,806
Debt Securities, Held-to-maturity, Allowance for Credit Loss	8,571	8,845
Allowance for credit losses on loans and finance leases	$ 269,030	$ 385,887
Preferred stock, shares authorized	50,000,000	50,000,000
Non-cumulative Perpetual Monthly Income Preferred Stock, shares issued	22,004,000	22,004,000
Non-cumulative Perpetual Monthly Income Preferred Stock, shares outstanding	0	1,444,146
Non-cumulative Perpetual Monthly Income Preferred Stock, aggregate liquidation value	$ 36,100	$ 36,104
Common stock, par value	$ 0.10	$ 0.1
Common stock, shares authorized	2,000,000,000	2,000,000,000
Common Stock, Shares, Issued	223,663,116	223,034,348
Common stock, shares outstanding	201,826,505	218,235,064
Income tax expense	$ 9,786	$ 7,590
Legal Surplus Amount	$ 137,591	$ 109,338