CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Interest income:
Loans	$ 684,587	$ 648,739	$ 1,351,260	$ 1,287,469
Money market investments	69,532	88,316	139,698	176,832
Investment securities	189,753	184,852	369,912	351,747
Total interest income	943,872	921,907	1,860,870	1,816,048
Interest expense:
Deposits	295,058	339,939	592,921	669,435
Short-term borrowings	5,300	1,126	6,726	2,318
Long-term debt	11,965	12,530	24,077	25,239
Total interest expense	312,323	353,595	623,724	696,992
Net interest income	631,549	568,312	1,237,146	1,119,056
Provision for credit losses	48,941	46,794	113,022	119,392
Net interest income after provision for credit losses	582,608	521,518	1,124,124	999,664
Mortgage banking activities	4,872	5,723	8,561	10,083
Net gain, including impairment on equity securities	1,862	319	1,448	1,422
Net gain on trading account debt securities	538	277	1,058	638
Adjustments to indemnity reserves on loans sold	120	212	293	(25)
Other operating income	21,737	25,386	36,268	51,903
Total non-interest income	168,477	166,306	320,538	330,124
Operating expenses:
Personnel costs	229,355	197,424	442,068	412,801
Net occupancy expenses	29,140	27,692	56,358	55,733
Equipment expenses	5,789	9,662	11,091	19,229
Other taxes	18,632	15,333	37,357	29,708
Professional fees	28,108	37,744	54,933	66,662
Technology and software expenses	84,696	79,752	168,364	159,214
Processing and transactional services	37,861	39,096	75,642	73,290
Communications	5,010	4,357	9,914	8,914
Business promotion	26,385	25,449	50,060	46,438
Deposit insurance	9,407	10,581	19,442	34,468
Other real estate owned (OREO) income	(4,124)	(5,750)	(7,454)	(11,071)
Other operating expenses	22,117	27,502	45,016	55,774
Amortization of intangibles	385	734	982	1,529
Total operating expenses	492,761	469,576	963,773	952,689
Income before income tax	258,324	218,248	480,889	377,099
Income tax expense	47,884	40,459	92,947	96,027
Net Income	210,440	177,789	387,942	281,072
Net Income Applicable to Common Stock	$ 210,087	$ 177,436	$ 387,236	$ 280,366
Net Income per Common Share - Basic	$ 3.09	$ 2.47	$ 5.64	$ 3.90
Net Income per Common Share - Diluted	$ 3.09	$ 2.46	$ 5.64	$ 3.90
Service charges on deposit accounts
Interest expense:
Service charges on deposit accounts	$ 38,826	$ 37,526	$ 77,880	$ 74,968
Other service fees
Interest expense:
Service charges on deposit accounts	$ 100,522	$ 96,863	$ 195,030	$ 191,135