Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
INTEREST INCOME
Loans, including fees	$ 187,347	$ 132,216	$ 478,101	$ 417,444
Interest bearing balances due from banks and federal funds sold	1,141	763	2,907	2,212
Investment securities	40,954	30,717	112,514	79,418
Mortgage loans held for sale	178	230	568	1,255
Other loans held for sale	998	0	3,061	0
TOTAL INTEREST INCOME	230,618	163,926	597,151	500,329
INTEREST EXPENSE
Deposits	25,429	9,116	42,000	33,077
Federal funds purchased and securities sold under agreements to repurchase	305	70	492	507
Other borrowings	6,048	4,893	15,671	14,592
Subordinated notes and debentures	5,251	4,610	14,698	13,702
TOTAL INTEREST EXPENSE	37,033	18,689	72,861	61,878
NET INTEREST INCOME	193,585	145,237	524,290	438,451
Provision for credit losses	103	(19,890)	14,048	(31,396)
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSSES	193,482	165,127	510,242	469,847
NONINTEREST INCOME
Bank owned life insurance income	2,902	2,573	8,171	6,134
Gain (loss) on sale of securities, net	(22)	5,248	(226)	15,846
Other income	6,658	6,411	20,761	25,308
TOTAL NONINTEREST INCOME	43,023	48,550	125,419	145,214
NONINTEREST EXPENSE
Salaries and employee benefits	71,923	61,902	213,964	182,503
Occupancy expense, net	11,674	9,361	32,701	27,764
Furniture and equipment expense	5,394	4,895	15,273	15,169
Other real estate and foreclosure expense	168	339	653	1,545
Deposit insurance	3,278	1,870	7,928	4,865
Merger related costs	1,422	1,401	22,441	2,320
Other operating expenses	45,084	34,565	131,213	107,826
TOTAL NONINTEREST EXPENSE	138,943	114,333	424,173	341,992
INCOME BEFORE INCOME TAXES	97,562	99,344	211,488	273,069
Provision for income taxes	16,959	18,770	38,336	50,151
NET INCOME	80,603	80,574	173,152	222,918
Preferred stock dividends	0	13	0	39
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$ 80,603	$ 80,561	$ 173,152	$ 222,879
BASIC EARNINGS PER SHARE (in dollars per share)	$ 0.63	$ 0.75	$ 1.41	$ 2.06
DILUTED EARNINGS PER SHARE (in dollars per share)	$ 0.63	$ 0.74	$ 1.40	$ 2.05
Service charges on deposit accounts
NONINTEREST INCOME
Non-interest income	$ 12,560	$ 11,557	$ 34,635	$ 31,322
Debit and credit card fees
NONINTEREST INCOME
Non-interest income	7,685	7,102	23,358	20,785
Wealth management fees
NONINTEREST INCOME
Non-interest income	8,562	7,877	23,744	23,130
Mortgage lending income
NONINTEREST INCOME
Non-interest income	2,593	5,818	9,383	16,755
Other service charges and fees
NONINTEREST INCOME
Non-interest income	$ 2,085	$ 1,964	$ 5,593	$ 5,934