CONSOLIDATED STATEMENTS OF INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
INTEREST INCOME
Loans	$ 152,365	$ 155,225	$ 133,339	$ 307,590	$ 246,604
Investment securities and other interest-earning assets	18,327	17,769	10,783	36,096	21,307
Total interest income	170,692	172,994	144,122	343,686	267,911
INTEREST EXPENSE
Deposits	3,265	4,426	9,655	7,691	20,142
FHLB advances and other borrowings	0	65	217	65	1,298
Subordinated debentures	6,493	6,851	3,958	13,344	7,004
Total interest expense	9,758	11,342	13,830	21,100	28,444
Net interest income before provision for credit losses	160,934	161,652	130,292	322,586	239,467
Provision for credit losses	(38,476)	1,974	160,635	(36,502)	186,089
Net interest income (loss) after provision for credit losses	199,410	159,678	(30,343)	359,088	53,378
NONINTEREST INCOME
Loan servicing income	622	458	434	1,080	914
Earnings on bank-owned life insurance	2,279	2,233	1,314	4,512	2,650
Net gain (loss) from sales of loans	1,546	361	(2,032)	1,907	(1,261)
Net gain (loss) from sales of investment securities	5,085	4,046	(21)	9,131	7,739
Other income	3,955	4,602	2,389	8,557	4,143
Total noninterest income	26,729	23,740	6,898	50,469	21,373
NONINTEREST EXPENSE
Compensation and benefits	53,474	52,548	43,011	106,022	77,387
Premises and occupancy	12,240	11,980	9,487	24,220	17,655
Data processing	5,765	5,828	4,465	11,593	7,718
Other real estate owned operations, net	0	0	9	0	23
FDIC insurance premiums	1,312	1,181	846	2,493	1,213
Legal and professional services	4,186	3,935	3,094	8,121	6,220
Marketing expense	1,490	1,598	1,319	3,088	2,731
Office expense	1,589	1,829	1,533	3,418	2,636
Loan expense	1,165	1,115	823	2,280	1,645
Deposit expense	3,985	3,859	4,958	7,844	9,946
Merger-related expense	0	5	39,346	5	41,070
Amortization of intangible assets	4,001	4,143	4,066	8,144	8,029
Other expense	5,289	4,468	3,013	9,757	6,328
Total noninterest expense	94,496	92,489	115,970	186,985	182,601
Net income (loss) before income taxes	131,643	90,929	(139,415)	222,572	(107,850)
Income tax expense (benefit)	35,341	22,261	(40,324)	57,602	(34,499)
Net income (loss)	$ 96,302	$ 68,668	$ (99,091)	$ 164,970	$ (73,351)
EARNINGS (LOSS) PER SHARE
Basic (in dollars per share)	$ 1.02	$ 0.73	$ (1.41)	$ 1.74	$ (1.14)
Diluted (in dollars per share)	$ 1.01	$ 0.72	$ (1.41)	$ 1.73	$ (1.14)
WEIGHTED AVERAGE SHARES OUTSTANDING
Basic (in shares)	93,635,392	93,529,147	70,425,027	93,582,563	64,716,109
Diluted (in shares)	94,218,028	94,093,644	70,425,027	94,155,740	64,716,109
Service charges on deposit accounts
NONINTEREST INCOME
Noninterest income	$ 2,222	$ 2,032	$ 1,399	$ 4,254	$ 3,114
Other service fee income
NONINTEREST INCOME
Noninterest income	352	473	297	825	608
Debit card interchange fee income
NONINTEREST INCOME
Noninterest income	1,099	787	457	1,886	805
Trust custodial account fees
NONINTEREST INCOME
Noninterest income	7,897	7,222	2,397	15,119	2,397
Escrow and exchange fees
NONINTEREST INCOME
Noninterest income	$ 1,672	$ 1,526	$ 264	$ 3,198	$ 264