Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
ASSETS
Cash and due from banks (restricted cash of $1,447 and $4,200)	$ 440,215	$ 498,496
Interest-bearing cash and temporary investments (restricted cash of $4,050 and $900)	1,760,902	1,664,038
Total cash and cash equivalents	2,201,117	2,162,534
Investment securities
Equity and other, at fair value	77,203	76,995
Available for sale, at fair value	8,616,545	8,829,870
Held to maturity, at amortized cost	2,247	2,300
Loans held for sale	47,201	30,715
Loans and leases (at fair value: $267,806 and $275,140)	37,642,413	37,441,951
Allowance for credit losses on loans and leases	(414,344)	(440,871)
Net loans and leases	37,228,069	37,001,080
Restricted equity securities	116,274	179,274
Premises and equipment, net	336,869	338,970
Operating lease right-of-use assets	113,833	115,811
Goodwill	1,029,234	1,029,234
Other intangible assets, net	571,588	603,679
Residential mortgage servicing rights, at fair value	110,444	109,243
Bank-owned life insurance	682,293	680,948
Deferred tax asset, net	356,031	347,203
Other assets	735,058	665,740
Total assets	52,224,006	52,173,596
Deposits
Non-interest-bearing	13,808,554	14,256,452
Interest-bearing	27,897,606	27,350,568
Total deposits	41,706,160	41,607,020
Securities sold under agreements to repurchase	213,573	252,119
Borrowings	3,900,000	3,950,000
Junior subordinated debentures, at fair value	309,544	316,440
Junior and other subordinated debentures, at amortized cost	107,838	107,895
Operating lease liabilities	129,240	130,576
Other liabilities	900,406	814,512
Total liabilities	47,266,761	47,178,562
COMMITMENTS AND CONTINGENCIES (Note 9)
SHAREHOLDERS' EQUITY
Preferred Stock, no par value, shares authorized: 2,000,000, issued and outstanding: 0	0	0
Common stock, no par value, shares authorized: 520,000,000 in 2024 and 2023; issued and outstanding: 209,370,395 in 2024 and 208,584,667 in 2023	5,802,322	5,802,747
Accumulated deficit	(418,946)	(467,571)
Accumulated other comprehensive loss	(426,131)	(340,142)
Total shareholders' equity	4,957,245	4,995,034
Total liabilities and shareholders' equity	$ 52,224,006	$ 52,173,596