CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
INTEREST INCOME
Loans	$ 174,204	$ 164,455	$ 157,025	$ 489,263	$ 464,615
Investment securities and other interest-earning assets	24,821	18,771	19,022	61,534	55,118
Total interest income	199,025	183,226	176,047	550,797	519,733
INTEREST EXPENSE
Deposits	9,873	2,682	2,432	14,228	10,123
FHLB advances and other borrowings	3,480	3,217	1	7,171	66
Subordinated debentures	4,560	4,562	4,545	13,682	17,889
Total interest expense	17,913	10,461	6,978	35,081	28,078
Net interest income before provision for credit losses	181,112	172,765	169,069	515,716	491,655
Provision for credit losses	1,077	469	(19,726)	1,994	(56,228)
Net interest income after provision for credit losses	180,035	172,296	188,795	513,722	547,883
NONINTEREST INCOME
Loan servicing income	397	502	536	1,318	1,616
Earnings on bank owned life insurance	3,339	3,240	3,266	9,800	7,778
Net gain from sales of loans	457	1,136	1,187	3,087	3,094
Net (loss) gain from sales of investment securities	(393)	(31)	4,190	1,710	13,321
Other income	1,023	1,173	4,049	3,764	12,606
Total noninterest income	20,164	22,193	30,100	68,251	80,569
NONINTEREST EXPENSE
Compensation and benefits	56,355	57,562	53,592	170,898	159,614
Premises and occupancy	12,011	11,829	12,611	35,792	36,831
Data processing	7,058	6,604	6,296	19,658	17,889
FDIC insurance premiums	1,461	1,452	1,392	4,309	3,885
Legal and professional services	4,075	4,629	4,563	12,772	12,684
Marketing expense	1,912	1,926	2,008	5,647	5,096
Office expense	1,338	1,252	1,076	3,793	4,494
Loan expense	789	1,144	1,332	3,067	3,612
Deposit expense	4,846	4,081	3,974	12,678	11,818
Merger-related expense	0	0	0	0	5
Amortization of intangible assets	3,472	3,479	3,912	10,543	12,056
Other expense	7,549	5,016	5,284	18,331	15,041
Total noninterest expense	100,866	98,974	96,040	297,488	283,025
Net income before income taxes	99,333	95,515	122,855	284,485	345,427
Income tax expense	25,970	25,712	32,767	74,415	90,369
Net income	$ 73,363	$ 69,803	$ 90,088	$ 210,070	$ 255,058
EARNINGS PER SHARE
Basic (in dollars per share)	$ 0.77	$ 0.74	$ 0.95	$ 2.22	$ 2.70
Diluted (in dollars per share)	$ 0.77	$ 0.73	$ 0.95	$ 2.21	$ 2.68
WEIGHTED AVERAGE SHARES OUTSTANDING
Basic (in shares)	93,793,502	93,765,264	93,549,639	93,687,230	93,571,468
Diluted (in shares)	94,120,637	94,040,691	94,060,724	94,055,116	94,090,407
Service charges on deposit accounts
NONINTEREST INCOME
Noninterest income	$ 2,704	$ 2,690	$ 2,375	$ 8,009	$ 6,629
Other service fee income
NONINTEREST INCOME
Noninterest income	323	366	350	1,056	1,175
Debit card interchange fee income
NONINTEREST INCOME
Noninterest income	808	936	834	2,580	2,720
Trust custodial account fees
NONINTEREST INCOME
Noninterest income	9,951	10,354	11,446	31,884	26,565
Escrow and exchange fees
NONINTEREST INCOME
Noninterest income	$ 1,555	$ 1,827	$ 1,867	$ 5,043	$ 5,065