Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
ASSETS
Cash and due from banks	$ 194,273	$ 225,462
Interest-bearing deposits with banks	2,299,019	2,172,001
Federal funds sold	1,102	1,316
Debt securities held for investment (fair value: $838 and $1,190, respectively)	838	1,190
Debt securities available for sale at fair value	1,440,527	1,553,905
Loans held for sale	7,408	3,489
Loans held for investment (net of unearned interest)	8,047,448	7,656,645
Allowance for credit losses	(99,626)	(96,800)
Loans, net of allowance for credit losses	7,947,822	7,559,845
Premises and equipment, net	285,131	278,594
Other real estate owned	37,823	33,718
Intangible assets, net	14,931	16,704
Goodwill	182,263	182,263
Accrued interest receivable and other assets	326,181	343,555
Total assets	12,737,318	12,372,042
Deposits:
Noninterest-bearing	3,815,818	3,982,226
Interest-bearing	7,199,784	6,717,896
Total deposits	11,015,602	10,700,122
Short-term borrowings	4,264	3,351
Accrued interest payable and other liabilities	118,831	148,577
Subordinated debt	86,129	86,101
Total liabilities	11,224,826	10,938,151
Stockholders' equity:
Common stock, $1.00 par, 40,000,000 shares authorized; shares issued and outstanding: 33,022,124 and 32,933,018, respectively	33,022	32,933
Capital surplus	178,806	174,695
Retained earnings	1,348,905	1,276,305
Accumulated other comprehensive loss, net of tax benefit of $14,938 and $15,473, respectively	(48,241)	(50,042)
Total stockholders' equity	1,512,492	1,433,891
Total liabilities and stockholders' equity	12,737,318	12,372,042
Senior Preferred Stock [Member]
Stockholders' equity:
Preferred stock, value
Cumulative Preferred Stock [Member]
Stockholders' equity:
Preferred stock, value