CONSOLIDATED STATEMENT OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
INTEREST AND DIVIDEND INCOME
Loans receivable, including fees	$ 3,494,661	$ 3,490,979	$ 3,172,746
Debt securities	621,937	449,065	276,190
Resale agreements	6,475	11,254	20,164
Restricted equity securities	11,242	10,104	4,062
Interest-bearing cash and deposits with banks	159,081	231,794	220,643
Total interest and dividend income	4,293,396	4,193,196	3,693,805
INTEREST EXPENSE
Deposits	1,594,529	1,720,174	1,205,550
Federal funds purchased and other short-term borrowings	22	42,163	157,002
FHLB advances	141,472	147,269	6,430
Securities sold under repurchase agreements (“repurchase agreements”)	2,082	197	1,497
Long-term debt and finance lease liabilities	2,662	4,677	11,072
Total interest expense	1,740,767	1,914,480	1,381,551
Net interest income before provision for credit losses	2,552,629	2,278,716	2,312,254
Provision for credit losses	160,000	174,000	125,000
Net interest income after provision for credit losses	2,392,629	2,104,716	2,187,254
NONINTEREST INCOME
Commercial and consumer deposit-related fees	111,844	103,880	93,811
Lending and loan servicing fees	107,988	98,455	83,876
Foreign exchange income	58,905	54,605	48,276
Wealth management fees	50,000	38,627	26,994
Customer derivative income, net of mark-to-market adjustments	16,856	16,401	20,200
Net gains (losses) on AFS debt securities	963	2,069	(6,862)
Other investment income	10,868	5,611	9,348
Other income	21,803	15,570	17,469
Total noninterest income	379,227	335,218	293,112
NONINTEREST EXPENSE
Compensation and employee benefits	618,753	550,734	508,538
Occupancy and equipment expense	66,129	64,399	64,528
Deposit account expense	35,218	47,390	43,143
Computer and software related expenses	54,737	47,271	44,475
Deposit insurance premiums and regulatory assessments	31,725	45,736	103,308
Other operating expense	165,039	148,301	136,305
Amortization of tax credit and CRA investments	74,795	54,242	120,299
Total noninterest expense	1,046,396	958,073	1,020,596
INCOME BEFORE INCOME TAXES	1,725,460	1,481,861	1,459,770
Income tax expense	400,272	316,275	298,609
NET INCOME	$ 1,325,188	$ 1,165,586	$ 1,161,161
EARNINGS PER SHARE (“EPS”)
BASIC (in dollars per share)	$ 9.58	$ 8.39	$ 8.23
DILUTED (in dollars per share)	$ 9.52	$ 8.33	$ 8.18
WEIGHTED-AVERAGE NUMBER OF SHARES OUTSTANDING
BASIC (in shares)	138,342	138,898	141,164
DILUTED (in shares)	139,130	139,958	141,902