CONSOLIDATED STATEMENTS OF INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
INTEREST INCOME
Loans	$ 157,025	$ 152,365	$ 167,455	$ 464,615	$ 414,059
Investment securities and other interest-earning assets	19,022	18,327	14,536	55,118	35,843
Total interest income	176,047	170,692	181,991	519,733	449,902
INTEREST EXPENSE
Deposits	2,432	3,265	8,509	10,123	28,651
FHLB advances and other borrowings	1	0	113	66	1,411
Subordinated debentures	4,545	6,493	6,823	17,889	13,827
Total interest expense	6,978	9,758	15,445	28,078	43,889
Net interest income before provision for credit losses	169,069	160,934	166,546	491,655	406,013
Provision for credit losses	(19,726)	(38,476)	4,210	(56,228)	190,299
Net interest income after provision for credit losses	188,795	199,410	162,336	547,883	215,714
NONINTEREST INCOME
Loan servicing income	536	622	481	1,616	1,395
Earnings on bank-owned life insurance	3,266	2,279	2,270	7,778	4,920
Net gain from sales of loans	1,187	1,546	9,542	3,094	8,281
Net gain from sales of investment securities	4,190	5,085	1,141	13,321	8,880
Other income	4,049	3,955	2,198	12,606	6,340
Total noninterest income	30,100	26,729	26,758	80,569	48,131
NONINTEREST EXPENSE
Compensation and benefits	53,592	53,474	51,021	159,614	128,408
Premises and occupancy	12,611	12,240	12,373	36,831	30,028
Data processing	6,296	5,765	6,783	17,889	14,501
Other real estate owned operations, net	0	0	(17)	0	6
FDIC insurance premiums	1,392	1,312	1,145	3,885	2,358
Legal and professional services	4,563	4,186	5,108	12,684	11,328
Marketing expense	2,008	1,490	1,718	5,096	4,449
Office expense	1,076	1,589	2,389	4,494	5,025
Loan expense	1,332	1,165	802	3,612	2,447
Deposit expense	3,974	3,985	4,728	11,818	14,674
Merger-related expense	0	0	2,988	5	44,058
Amortization of intangible assets	3,912	4,001	4,538	12,056	12,567
Other expense	5,284	5,289	5,003	15,041	11,331
Total noninterest expense	96,040	94,496	98,579	283,025	281,180
Net income (loss) before income taxes	122,855	131,643	90,515	345,427	(17,335)
Income tax expense (benefit)	32,767	35,341	23,949	90,369	(10,550)
Net income (loss)	$ 90,088	$ 96,302	$ 66,566	$ 255,058	$ (6,785)
EARNINGS (LOSS) PER SHARE
Basic (in dollars per share)	$ 0.95	$ 1.02	$ 0.71	$ 2.70	$ (0.10)
Diluted (in dollars per share)	$ 0.95	$ 1.01	$ 0.70	$ 2.68	$ (0.10)
WEIGHTED AVERAGE SHARES OUTSTANDING
Basic (in shares)	93,549,639	93,635,392	93,529,967	93,571,468	74,391,688
Diluted (in shares)	94,060,724	94,218,028	93,719,167	94,090,407	74,391,688
Service charges on deposit accounts
NONINTEREST INCOME
Noninterest income	$ 2,375	$ 2,222	$ 1,593	$ 6,629	$ 4,707
Other service fee income
NONINTEREST INCOME
Noninterest income	350	352	487	1,175	1,095
Debit card interchange fee income
NONINTEREST INCOME
Noninterest income	834	1,099	944	2,720	1,749
Trust custodial account fees
NONINTEREST INCOME
Noninterest income	11,446	7,897	6,960	26,565	9,357
Escrow and exchange fees
NONINTEREST INCOME
Noninterest income	$ 1,867	$ 1,672	$ 1,142	$ 5,065	$ 1,407