CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
INTEREST INCOME
Loans	$ 164,455	$ 150,604	$ 152,365	$ 315,059	$ 307,590
Investment securities and other interest-earning assets	18,771	17,942	18,327	36,713	36,096
Total interest income	183,226	168,546	170,692	351,772	343,686
INTEREST EXPENSE
Deposits	2,682	1,673	3,265	4,355	7,691
FHLB advances and other borrowings	3,217	474	0	3,691	65
Subordinated debentures	4,562	4,560	6,493	9,122	13,344
Total interest expense	10,461	6,707	9,758	17,168	21,100
Net interest income before provision for credit losses	172,765	161,839	160,934	334,604	322,586
Provision for credit losses	469	448	(38,476)	917	(36,502)
Net interest income after provision for credit losses	172,296	161,391	199,410	333,687	359,088
NONINTEREST INCOME
Loan servicing income	502	419	622	921	1,080
Earnings on bank owned life insurance	3,240	3,221	2,279	6,461	4,512
Net gain from sales of loans	1,136	1,494	1,546	2,630	1,907
Net (loss) gain from sales of investment securities	(31)	2,134	5,085	2,103	9,131
Other income	1,173	1,568	3,955	2,741	8,557
Total noninterest income	22,193	25,894	26,729	48,087	50,469
NONINTEREST EXPENSE
Compensation and benefits	57,562	56,981	53,474	114,543	106,022
Premises and occupancy	11,829	11,952	12,240	23,781	24,220
Data processing	6,604	5,996	5,765	12,600	11,593
FDIC insurance premiums	1,452	1,396	1,312	2,848	2,493
Legal and professional services	4,629	4,068	4,186	8,697	8,121
Marketing expense	1,926	1,809	1,490	3,735	3,088
Office expense	1,252	1,203	1,589	2,455	3,418
Loan expense	1,144	1,134	1,165	2,278	2,280
Deposit expense	4,081	3,751	3,985	7,832	7,844
Merger-related expense	0	0	0	0	5
Amortization of intangible assets	3,479	3,592	4,001	7,071	8,144
Other expense	5,016	5,766	5,289	10,782	9,757
Total noninterest expense	98,974	97,648	94,496	196,622	186,985
Net income before income taxes	95,515	89,637	131,643	185,152	222,572
Income tax expense	25,712	22,733	35,341	48,445	57,602
Net income	$ 69,803	$ 66,904	$ 96,302	$ 136,707	$ 164,970
EARNINGS PER SHARE
Basic (in dollars per share)	$ 0.74	$ 0.71	$ 1.02	$ 1.44	$ 1.74
Diluted (in dollars per share)	$ 0.73	$ 0.70	$ 1.01	$ 1.44	$ 1.73
WEIGHTED AVERAGE SHARES OUTSTANDING
Basic (in shares)	93,765,264	93,499,695	93,635,392	93,633,213	93,582,563
Diluted (in shares)	94,040,691	93,946,074	94,218,028	93,983,057	94,155,740
Service charges on deposit accounts
NONINTEREST INCOME
Noninterest income	$ 2,690	$ 2,615	$ 2,222	$ 5,305	$ 4,254
Other service fee income
NONINTEREST INCOME
Noninterest income	366	367	352	733	825
Debit card interchange fee income
NONINTEREST INCOME
Noninterest income	936	836	1,099	1,772	1,886
Trust custodial account fees
NONINTEREST INCOME
Noninterest income	10,354	11,579	7,897	21,933	15,119
Escrow and exchange fees
NONINTEREST INCOME
Noninterest income	$ 1,827	$ 1,661	$ 1,672	$ 3,488	$ 3,198