Consolidated Statements of Earnings - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Interest income:
Loans and leases	$ 1,501,534	$ 1,496,357	$ 1,312,580
Investment securities	140,794	174,996	209,751
Deposits in financial institutions	170,377	299,647	34,158
Total interest income	1,812,705	1,971,000	1,556,489
Interest expense:
Deposits	715,984	748,423	200,449
Borrowings	104,398	416,744	25,645
Subordinated debt	66,273	58,705	39,633
Total interest expense	886,655	1,223,872	265,727
Net interest income	926,050	747,128	1,290,762
Provision for credit losses	42,801	52,000	24,500
Net interest income after provision for credit losses	883,249	695,128	1,266,262
Noninterest income:
Other commissions and fees	33,258	38,086	43,635
Leased equipment income	51,109	63,167	50,586
Service charges on deposit accounts	18,583	16,468	13,991
Gain (loss) on sale of loans and leases	645	(161,346)	518
Loss on sale of securities	(60,400)	(442,413)	(50,321)
Dividends and gains (losses) on equity investments	7,982	15,731	(3,389)
Warrant income (loss)	408	(718)	2,490
LOCOM HFS Adjustment	215	(8,461)	0
Other income	25,345	31,201	17,317
Total noninterest income (loss)	77,145	(448,285)	74,827
Noninterest expense:
Compensation	341,396	332,353	406,839
Occupancy	67,993	61,668	60,964
Leased equipment depreciation	29,271	34,243	35,658
Insurance and assessments	70,779	135,666	25,486
Other professional services	20,857	24,623	30,278
Customer related expense	129,471	124,104	55,273
Intangible asset amortization	33,143	11,419	13,576
Loan expense	17,306	20,458	24,572
Acquisition, integration and reorganization costs	(14,183)	142,633	5,703
Goodwill impairment	0	1,376,736	29,000
Other expense	35,289	142,473	40,376
Total noninterest expense	791,740	2,458,181	773,521
Earnings (loss) before income taxes	168,654	(2,211,338)	567,568
Income tax expense (benefit)	(41,766)	312,201	(143,955)
Net earnings (loss)	$ 126,888	$ (1,899,137)	$ 423,613
Basic income per share (usd per share)	$ 0.52	$ (22.71)	$ 5.14
Diluted income per share (usd per share)	$ 0.52	$ (22.71)	$ 5.14
Preferred Stock Dividends, Income Statement Impact	$ 39,788	$ 39,788	$ 19,339
Net Income (Loss) Available to Common Stockholders, Diluted	87,100	(1,938,925)	404,274
Net Income (Loss) Available to Common Stockholders, Basic	87,100	(1,938,925)	404,274
Information Technology and Data Processing	$ 60,418	$ 51,805	$ 45,796