CONSOLIDATED STATEMENT OF INCOME - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
INTEREST AND DIVIDEND INCOME
Loans receivable, including fees	$ 2,048,301,000	$ 1,424,900,000	$ 1,464,382,000
Debt Securities	198,906,000	143,983,000	82,553,000
Resale agreements	29,767,000	32,239,000	21,389,000
Restricted equity securities	3,144,000	2,081,000	1,543,000
Interest-bearing cash and deposits with banks	41,113,000	15,531,000	25,175,000
Total interest and dividend income	2,321,231,000	1,618,734,000	1,595,042,000
INTEREST EXPENSE
Deposits	251,838,000	69,159,000	184,742,000
Federal funds purchased and other short-term borrowings	1,801,000	42,000	1,504,000
FHLB advances	1,754,000	6,881,000	13,792,000
Repurchase agreements	14,362,000	7,999,000	11,766,000
Long-term debt and finance lease liabilities	5,595,000	3,082,000	6,045,000
Total interest expense	275,350,000	87,163,000	217,849,000
Net interest income before provision for (reversal of) credit losses	2,045,881,000	1,531,571,000	1,377,193,000
Provision for (reversal of) credit losses	73,500,000	(35,000,000)	210,653,000
Net interest income after provision for (reversal of) credit losses	1,972,381,000	1,566,571,000	1,166,540,000
NONINTEREST INCOME
Lending fees	79,208,000	77,704,000	74,842,000
Deposit account fees	88,435,000	71,261,000	48,148,000
Interest rate contracts and other derivative income	29,057,000	22,913,000	31,685,000
Foreign exchange income	48,158,000	48,977,000	22,370,000
Wealth management fees	27,565,000	25,751,000	17,494,000
Net gains on sales of loans	6,411,000	8,909,000	4,501,000
Gains on sales of AFS debt securities	1,306,000	1,568,000	12,299,000
Other investment income	7,037,000	16,852,000	10,641,000
Other income	11,489,000	11,960,000	13,567,000
Total noninterest income	298,666,000	285,895,000	235,547,000
NONINTEREST EXPENSE
Compensation and employee benefits	477,635,000	433,728,000	404,071,000
Occupancy and equipment expense	62,501,000	62,996,000	66,489,000
Deposit insurance premiums and regulatory assessments	19,449,000	17,563,000	15,128,000
Deposit account expense	25,508,000	16,152,000	13,530,000
Data processing	14,517,000	16,263,000	16,603,000
Computer software expense	28,259,000	30,600,000	29,033,000
Other operating expense	118,166,000	96,330,000	92,646,000
Amortization of Tax Credit and Other Investments	113,358,000	122,457,000	70,082,000
Repurchase agreements’ extinguishment cost	0	0	8,740,000
Total noninterest expense	859,393,000	796,089,000	716,322,000
INCOME BEFORE INCOME TAXES	1,411,654,000	1,056,377,000	685,765,000
INCOME TAX EXPENSE	283,571,000	183,396,000	117,968,000
NET INCOME	$ 1,128,083,000	$ 872,981,000	$ 567,797,000
EARNINGS PER SHARE (“EPS”)
BASIC (in dollars per share)	$ 7.98	$ 6.16	$ 3.99
DILUTED (in dollars per share)	$ 7.92	$ 6.10	$ 3.97
WEIGHTED-AVERAGE NUMBER OF SHARES OUTSTANDING
BASIC (in shares)	141,326	141,826	142,336
DILUTED (in shares)	142,492	143,140	142,991