Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
OPERATING ACTIVITIES
Net income	$ 298,727	$ 211,603
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	107,000	24,050
Net (accretion) amortization of premiums and discounts from acquisition	(60,204)	1,361
Depreciation and amortization	67,361	27,110
Amortization of debt issuance costs	438	438
Deferred income tax expense (benefit)	23,772	(6,853)
Net decrease (increase) in trading securities and other earning assets	3,835	(10,888)
Gains on investment securities, net	(32,903)	(7,504)
Losses (gains) on sales of assets	62	(1,803)
Amortization of securities premiums, net of discount accretion	1,828	13,652
Originations of loans held for sale	(43,485)	(36,862)
Gains on sales of loans held for sale, net	(1,165)	(942)
Proceeds from sales of loans held for sale	41,668	38,013
Equity-based compensation	20,709	10,743
Changes in:
Accrued income	(7,016)	(16,371)
Accrued expenses and taxes	(21,935)	(36,132)
Other assets and liabilities, net	249,715	(41,105)
Net cash provided by operating activities	648,407	168,510
Securities held to maturity:
Maturities, calls and principal repayments	346,297	211,226
Purchases	(15,319)	(56,998)
Securities available for sale:
Sales	616,354	19,153
Maturities, calls and principal repayments	819,828	6,334,100
Purchases	(2,571,763)	(6,439,464)
Equity securities with readily determinable fair values:
Purchases	(392)	(176)
Equity securities without readily determinable fair values:
Sales	23,068	32,148
Maturities, calls and principal repayments	11,096	45,002
Purchases	(114,823)	(31,257)
Payment of tax equity investment commitments	(34,762)	(17,930)
Net increase in loans	(1,332,396)	(924,936)
Net increase in fed funds sold and resell agreements	(192,191)	(2,118)
Net cash activity from acquisitions and divestitures	174,985	(108,706)
Net decrease (increase) in interest-bearing balances due from other financial institutions	958,769	(10,254)
Net purchases of premises and equipment	(23,427)	(5,534)
Net cash used in investing activities	(1,334,676)	(955,744)
FINANCING ACTIVITIES
Net increase in demand and savings deposits	2,898,641	1,715,593
Net decrease in time deposits	(405,498)	(990,882)
Net increase in fed funds purchased and repurchase agreements	300,258	97,389
Proceeds from short-term debt		500,000
Repayment of short-term debt		(1,000,000)
Repayment of long-term debt	(11,055)
Cash dividends paid	(62,504)	(38,542)
Payment of common stock issuance costs	(524)	(1,317)
Proceeds from exercise of stock options and sales of treasury shares	670	410
Purchases of treasury stock	(15,724)	(7,537)
Common stock issuance	235,141
Preferred stock issuance	294,062
Net cash provided by financing activities	3,233,467	275,114
Increase (decrease) in cash and cash equivalents	2,547,198	(512,120)
Cash and cash equivalents at beginning of period	8,448,691	5,528,258
Cash and cash equivalents at end of period	10,995,889	5,016,138
Supplemental disclosures:
Income tax payments	20,402	56,247
Total interest payments	699,709	586,618
Noncash disclosures:
Acquisition of tax equity investments	29,314	3,000
Commitment to fund tax equity investments	29,314	3,000
Transfer of loans to other real estate owned	900	$ 793
Transfer of loans to other repossessed assets	39
Stock based compensation as consideration for acquisition	20,389
Common Stock
Noncash disclosures:
Issuance of stock as consideration for acquisition	2,783,510
Preferred Stock
Noncash disclosures:
Issuance of stock as consideration for acquisition	$ 115,230