Consolidated Statements of Income and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest and fee income on loans:
Taxable	$ 94,734	$ 63,626	$ 269,151	$ 154,266
Tax exempt	4,831	4,644	14,335	14,447
Interest and dividend income on securities:
Taxable	4,219	3,639	12,597	9,250
Tax exempt	7	5	20	2
Other interest income	2,984	1,849	7,607	3,687
Total interest income	106,775	73,763	303,710	181,652
Interest expense:
Interest expense on deposits	30,896	3,274	65,804	7,020
Interest expense on securities sold under agreements to repurchase	65	51	163	74
Interest expense on other borrowed funds	2,404	1,952	16,381	6,202
Total interest expense	33,365	5,277	82,348	13,296
Net interest income	73,410	68,486	221,362	168,356
Provision for credit losses	3,890	3,750	11,672	12,450
Net interest income after credit loss expense	69,520	64,736	209,690	155,906
Noninterest income:
Service charges on deposit accounts	5,475	4,807	15,848	13,111
Credit and debit card fees	2,996	3,103	9,034	8,508
Trust and investment advisory fees	1,398	1,552	4,337	5,408
Income from mortgage banking services, net	7,413	13,785	26,501	40,017
(Loss) gain on other real estate owned and foreclosed assets activity, net	(643)	155	(643)	164
Other noninterest income	2,011	1,551	6,794	3,740
Total noninterest income	18,650	24,953	61,871	70,948
Noninterest expense:
Salary and employee benefits	33,968	32,508	103,073	101,981
Occupancy and equipment	8,216	8,216	24,338	22,802
Amortization of intangible assets	899	935	3,993	2,197
Merger related expenses	0	0	0	18,751
Other noninterest expenses	13,093	13,889	39,081	37,952
Total noninterest expense	56,176	55,548	170,485	183,683
Income (loss) before income taxes	31,994	34,141	101,076	43,171
Provision for income taxes	6,762	7,628	21,557	8,559
Net income	25,232	26,513	79,519	34,612
Other comprehensive income (loss), net of tax:
Loss on securities available-for-sale	(7,089)	(5,107)	(9,909)	(47,306)
Gain on fair value hedges of securities available-for-sale	1,290	1,438	1,594	2,536
Other comprehensive income (loss), net of tax	(5,799)	(3,669)	(8,315)	(44,770)
Comprehensive income (loss)	19,433	22,844	71,204	(10,158)
Earnings per share:
Net income available to common stockholders, basic	25,232	26,513	79,519	34,612
Net income available to common stockholders, diluted	$ 25,232	$ 26,513	$ 79,519	$ 34,612
Basic (in dollars per share)	$ 1.01	$ 1.07	$ 3.19	$ 1.53
Diluted (in dollars per share)	$ 1.00	$ 1.04	$ 3.13	$ 1.49