CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Interest income:
Loans	$ 2,626,058	$ 2,331,654	$ 1,876,166
Money market investments	352,195	366,625	118,080
Investment securities	695,010	547,028	471,665
Total interest income	3,673,263	3,245,307	2,465,911
Interest expense:
Deposits	1,336,121	1,050,024	252,845
Short-term borrowings	4,676	7,329	5,737
Long-term debt	50,178	56,430	39,970
Total interest expense	1,390,975	1,113,783	298,552
Net interest income	2,282,288	2,131,524	2,167,359
Provision for credit losses	256,942	208,609	83,030
Net interest income after provision for credit losses	2,025,346	1,922,915	2,084,329
Mortgage banking activities	19,059	21,497	42,450
Net (loss) gain, including impairment on equity securities	(1,583)	3,482	(7,334)
Net gain (loss) on trading account debt securities	1,445	1,382	(784)
Net gain (loss) on sale of loans, including valuation on loans held for sale	440	(115)	0
Adjustments to indemnity reserves on loans sold	1,266	2,319	919
Other operating income	97,706	100,243	370,592
Total non-interest income	658,909	650,724	897,062
Operating expenses:
Personnel costs	820,451	778,045	719,764
Net occupancy expenses	111,430	111,586	106,169
Equipment expenses	33,424	37,057	35,626
Other taxes	66,046	55,926	63,603
Professional fees	125,822	161,142	172,043
Technology and software expenses	329,061	290,615	291,902
Processing and transactional services	142,677	138,070	127,145
Communications	18,899	16,664	14,885
Business promotion	101,930	94,926	88,918
FDIC Deposit insurance	54,626	105,985	26,787
Other real estate owned (OREO) income	(18,124)	(15,375)	(22,143)
Other operating expenses	98,457	97,279	109,446
Amortization of intangibles	2,938	3,180	3,275
Goodwill impairment losses	0	23,000	9,000
Total operating expenses	1,887,637	1,898,100	1,746,420
Income before income tax	796,618	675,539	1,234,971
Income tax expense	182,406	134,197	132,330
Net Income	614,212	541,342	1,102,641
Net Income Applicable to Common Stock	$ 612,800	$ 539,930	$ 1,101,229
Net Income per Common Share - Basic	$ 8.56	$ 7.53	$ 14.65
Net Income per Common Share - Diluted	$ 8.56	$ 7.52	$ 14.63
Service charges on deposit accounts
Interest expense:
Revenue from contract with customer	$ 151,343	$ 147,476	$ 157,210
Other service fees
Interest expense:
Revenue from contract with customer	$ 389,233	$ 374,440	$ 334,009