Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
INTEREST INCOME
Loans, including fees	$ 165,641	$ 138,804	$ 292,817	$ 285,228
Interest bearing balances due from banks and federal funds sold	1,117	651	1,766	1,449
Investment securities	37,848	27,128	71,560	48,701
Mortgage loans held for sale	200	386	390	1,025
TOTAL INTEREST INCOME	204,806	166,969	366,533	336,403
INTEREST EXPENSE
Deposits	9,754	10,782	16,571	23,961
Federal funds purchased and securities sold under agreements to repurchase	119	192	187	437
Other borrowings	4,844	4,897	9,623	9,699
Subordinated notes and debentures	4,990	4,565	9,447	9,092
TOTAL INTEREST EXPENSE	19,707	20,436	35,828	43,189
NET INTEREST INCOME	185,099	146,533	330,705	293,214
Provision for credit loss expense	33,859	(12,951)	13,945	(11,506)
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSSES	151,240	159,484	316,760	304,720
NON-INTEREST INCOME
Bank owned life insurance income	2,563	2,038	5,269	3,561
Gain (loss) on sale of securities, net	(150)	5,127	(204)	10,598
Other income	6,837	8,397	14,103	18,897
TOTAL NON-INTEREST INCOME	40,178	47,115	82,396	96,664
NON-INTEREST EXPENSE
Salaries and employee benefits	74,135	60,261	142,041	120,601
Occupancy expense, net	11,004	9,103	21,027	18,403
Furniture and equipment expense	5,104	4,859	9,879	10,274
Other real estate and foreclosure expense	142	863	485	1,206
Deposit insurance	2,812	1,687	4,650	2,995
Merger related costs	19,133	686	21,019	919
Other operating expenses	44,483	37,198	86,129	73,261
TOTAL NON-INTEREST EXPENSE	156,813	114,657	285,230	227,659
INCOME BEFORE INCOME TAXES	34,605	91,942	113,926	173,725
Provision for income taxes	7,151	17,018	21,377	31,381
NET INCOME	27,454	74,924	92,549	142,344
Preferred stock dividends	0	13	0	26
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$ 27,454	$ 74,911	$ 92,549	$ 142,318
BASIC EARNINGS PER SHARE (in dollars per share)	$ 0.21	$ 0.69	$ 0.77	$ 1.31
DILUTED EARNINGS PER SHARE (in dollars per share)	$ 0.21	$ 0.69	$ 0.77	$ 1.31
Wealth management fees
NON-INTEREST INCOME
Non-interest income	$ 7,214	$ 7,892	$ 15,182	$ 15,253
Service charges on deposit accounts
NON-INTEREST INCOME
Non-interest income	11,379	10,050	22,075	19,765
Other service charges and fees
NON-INTEREST INCOME
Non-interest income	1,871	2,048	3,508	3,970
Mortgage lending income
NON-INTEREST INCOME
Non-interest income	2,240	4,490	6,790	10,937
Debit and credit card fees
NON-INTEREST INCOME
Non-interest income	$ 8,224	$ 7,073	$ 15,673	$ 13,683