CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest income:
Loans	$ 648,739	$ 570,120	$ 1,287,469	$ 1,111,330
Money market investments	88,316	100,775	176,832	166,499
Investment securities	184,852	123,112	351,747	255,200
Total interest income	921,907	794,007	1,816,048	1,533,029
Interest expense:
Deposits	339,939	243,488	669,435	436,703
Short-term borrowings	1,126	1,624	2,318	4,509
Long-term debt	12,530	17,227	25,239	28,493
Total interest expense	353,595	262,339	696,992	469,705
Net interest income	568,312	531,668	1,119,056	1,063,324
Provision for credit losses	46,794	37,192	119,392	84,829
Net interest income after provision for credit losses	521,518	494,476	999,664	978,495
Mortgage banking activities	5,723	2,316	10,083	9,716
Net gain, including impairment on equity securities	319	1,384	1,422	2,484
Net gain on trading account debt securities	277	35	638	413
Adjustments to indemnity reserves on loans sold	212	(456)	(25)	156
Other operating income	25,386	25,146	51,903	52,863
Total non-interest income	166,306	160,471	330,124	322,432
Operating expenses:
Personnel costs	197,424	191,468	412,801	390,228
Net occupancy expenses	27,692	27,165	55,733	53,204
Equipment expenses	9,662	9,561	19,229	17,973
Other taxes	15,333	16,409	29,708	32,700
Professional fees	37,744	50,132	66,662	83,563
Technology and software expenses	79,752	72,354	159,214	140,913
Processing and transactional services	39,096	36,801	73,290	70,710
Communications	4,357	4,175	8,914	8,263
Business promotion	25,449	25,083	46,438	43,954
Deposit insurance	10,581	6,803	34,468	15,668
Other real estate owned (OREO) income	(5,750)	(3,314)	(11,071)	(5,008)
Other operating expenses	27,502	22,852	55,774	47,213
Amortization of intangibles	734	795	1,529	1,590
Total operating expenses	469,576	460,284	952,689	900,971
Income before income tax	218,248	194,663	377,099	399,956
Income tax expense	40,459	43,503	96,027	89,817
Net Income	177,789	151,160	281,072	310,139
Net Income Applicable to Common Stock	$ 177,436	$ 150,807	$ 280,366	$ 309,433
Net Income per Common Share - Basic	$ 2.47	$ 2.10	$ 3.90	$ 4.32
Net Income per Common Share - Diluted	$ 2.46	$ 2.10	$ 3.90	$ 4.32
Service charges on deposit accounts
Interest expense:
Revenue from contract with customer	$ 37,526	$ 37,781	$ 74,968	$ 72,459
Other service fees
Interest expense:
Revenue from contract with customer	$ 96,863	$ 94,265	$ 191,135	$ 184,341