Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands		Jun. 30, 2023	Dec. 31, 2022
Assets
Cash and due from banks		$ 111,126	$ 82,515
Federal funds sold and interest bearing due from banks		103,204	84,852
Total cash and cash equivalents		214,330	167,367
Mortgage loans held for sale, at fair value		7,069	2,606
Available for sale debt securities (amortized cost of $1,238,249 in 2023 and $1,297,977 in 2022, respectively)		1,092,724	1,144,617
Held to maturity debt securities (fair value of $410,249 in 2023 and $431,833 in 2022, respectively)		450,029	473,217
Federal Home Loan Bank stock, at cost		27,366	10,928
Loans	[1]	5,418,609	5,205,918
Allowance for credit losses on loans		(77,710)	(73,531)
Net loans		5,340,899	5,132,387
Premises and equipment, net		98,777	101,612
Premises held for sale		3,233	2,644
Bank owned life insurance		85,782	84,674
Accrued interest receivable		22,547	22,157
Goodwill		194,074	194,074
Other assets		173,084	134,988
Total assets		7,732,552	7,496,261
Liabilities
Non-interest bearing		1,766,132	1,950,198
Interest bearing		4,442,248	4,441,054
Total deposits		6,208,380	6,391,252
Securities sold under agreements to repurchase		138,347	133,342
Federal funds purchased		11,646	8,789
Subordinated debentures		26,541	26,343
Federal Home Loan Bank advances		400,000	50,000
Accrued interest payable		1,064	660
Other liabilities		138,492	125,443
Total liabilities		6,924,470	6,735,829
Commitments and contingent liabilities (Footnote 12)
Stockholders’ equity
Preferred stock, no par value. Authorized 1,000,000 shares; no shares issued or outstanding		0	0
Common stock, no par value. Authorized 40,000,000 shares; issued and outstanding 29,324,000 and 29,259,000 shares in 2023 and 2022, respectively		58,580	58,367
Additional paid-in capital		383,387	377,703
Retained earnings		473,531	439,898
Accumulated other comprehensive loss		(107,416)	(115,536)
Total stockholders’ equity		808,082	760,432
Total liabilities and equity		7,732,552	7,496,261
Core Deposits [Member]
Assets
Intangible		13,442	14,958
Customer Lists [Member]
Assets
Intangible		$ 9,196	$ 10,032

[1] Total loans are presented inclusive of premiums, discounts and net loan origination fees and costs.