Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	[1]
Assets [Abstract]
Cash and due from banks	$ 85,486	$ 78,540
Federal funds sold	327,226	296,997
Interest-bearing deposits in banks	1,970	1,917
Total cash and cash equivalents	414,682	377,454
Debt securities available-for-sale, at fair value	129,659	169,849
Loans held for investment, net of unearned income	2,382,699	2,416,089
Allowance for credit losses	(33,784)	(34,825)
Loans held for investment, net	2,348,915	2,381,264
Premises and equipment, net	48,780	48,735
Other real estate owned	298	521
Interest Receivable	9,306	9,207
Goodwill	143,946	143,946
Other intangible assets	12,490	13,014
Other assets	117,697	117,226
Total assets	3,225,773	3,261,216
Liabilities
Noninterest-bearing	893,794	883,499
Interest-bearing	1,790,683	1,807,748
Total deposits	2,684,477	2,691,247
Securities sold under agreements to repurchase	908	906
Interest, taxes, and other liabilities	43,971	42,671
Total liabilities	2,729,356	2,734,824
Stockholders' equity
Preferred stock, undesignated par value; 1,000,000 shares authorized; Series A Noncumulative Convertible Preferred Stock, $0.01 par value; 25,000 shares authorized; none outstanding	0	0
Common stock, $1 par value; 50,000,000 shares authorized; 27,604,102 shares issued and 18,326,657 outstanding at March 31, 2025; 27,599,240 shares issued and 18,321,795 outstanding at December 31, 2024	18,327	18,322
Additional paid-in capital	169,867	169,752
Retained earnings	317,728	349,489
Accumulated other comprehensive loss	(9,505)	(11,171)
Total stockholders' equity	496,417	526,392
Total liabilities and stockholders' equity	$ 3,225,773	$ 3,261,216

[1] Derived from audited financial statements