UNAUDITED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest and dividend income:
Interest and fees on loans	$ 169,274	$ 124,992	$ 483,676	$ 333,595
Taxable interest and dividends on securities	24,191	29,280	77,451	88,277
Non-taxable interest and dividends on securities	1,434	1,917	4,302	5,585
Interest on federal funds sold and other short-term investments	7,269	1,638	27,384	2,726
Total interest and dividend income	202,168	157,827	592,813	430,183
Interest expense:
Interest on deposits	59,607	4,781	158,686	11,164
Interest on borrowings	5,356	867	17,025	959
Total interest expense	64,963	5,648	175,711	12,123
Net interest income	137,205	152,179	417,102	418,060
Provision for allowance for loan losses	7,328	6,480	14,854	7,045
Net interest income after provision for allowance for loan losses	129,877	145,699	402,248	411,015
Noninterest income (loss):
Service charges on deposit accounts	7,403	6,708	21,117	23,558
Trust and investment advisory fees	6,235	5,832	18,136	17,967
Debit card processing fees	3,388	3,249	10,071	9,417
Interest rate swap income	1,695	1,562	2,112	6,087
(Losses) income from investments held in rabbi trusts	(1,523)	(2,248)	4,336	(13,997)
Realized loss on sales of commercial loans	(2,651)	0	(2,651)	0
(Losses) gains on sales of mortgage loans held for sale, net	(164)	22	(288)	240
Losses on sales of securities available for sale, net	0	(198)	(333,170)	(2,474)
Other	4,774	4,597	15,845	13,527
Total noninterest income (loss)	19,157	19,524	(264,492)	54,325
Noninterest expense:
Salaries and employee benefits	60,898	61,292	185,264	171,525
Office occupancy and equipment	8,641	8,880	26,797	28,804
Data processing	13,443	12,242	38,555	39,711
Professional services	7,125	4,218	13,277	11,510
Marketing expenses	1,765	2,118	4,899	6,262
Loan expenses	1,082	2,211	3,292	5,757
FDIC insurance	2,808	1,578	8,388	4,710
Amortization of intangible assets	504	299	1,299	899
Other	5,482	2,927	15,802	6,888
Total noninterest expense	101,748	95,765	297,573	276,066
Income (loss) from continuing operations before income tax expense (benefit)	47,286	69,458	(159,817)	189,274
Income tax (benefit) expense	(16,178)	16,650	(65,619)	43,681
Net income (loss) from continuing operations	63,464	52,808	(94,198)	145,593
Net (loss) income from discontinued operations	(4,351)	1,969	7,872	11,872
Net income (loss)	$ 59,113	$ 54,777	$ (86,326)	$ 157,465
Basic earnings (loss) per share:
Basic earnings (loss) per share from continuing operations (in dollars per share)	$ 0.39	$ 0.32	$ (0.58)	$ 0.87
Basic (loss) earnings per share from discontinued operations (in dollars per share)	(0.03)	0.01	0.05	0.07
Basic earnings (loss) per share (in dollars per share)	0.36	0.33	(0.53)	0.94
Diluted earnings (loss) per share:
Diluted earnings (loss) per share from continuing operations (in dollars per share)	0.39	0.32	(0.58)	0.87
Diluted (loss) earnings per share from discontinued operations (in dollars per share)	(0.03)	0.01	0.05	0.07
Diluted earnings per share (in dollars per share)	$ 0.36	$ 0.33	$ (0.53)	$ 0.94