FAIR VALUE (Estimated Fair Value Financial Instruments (Including Carrying Amounts)) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financial assets:
Carried at fair value	$ 906,062
Held to maturity	$ 816,399	$ 776,557
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Financial liabilities:
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other liabilities
Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Cash and cash equivalents	$ 323,013	$ 363,087
Time deposits in other financial institutions	1,240	1,740
Carried at fair value	32,118	31,699
Held to maturity	0	0
Other investments	0	0
Loans held for sale	0	0
Loans, net	0	0
Cash surrender value on life insurance	0	0
Derivatives	0	0
Financial liabilities:
Borrowings	0	0
Term debt	0	0
Derivatives	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate lock commitments
Financial assets:
Derivatives		0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Forward commitments
Financial assets:
Derivatives		0
Financial liabilities:
Derivatives		0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Demand deposits
Financial liabilities:
Deposits	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Savings deposits
Financial liabilities:
Deposits	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Time deposits
Financial liabilities:
Deposits	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Consumer
Financial assets:
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | PPP | Commercial and industrial
Financial assets:
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Owner occupied commercial real estate | Commercial and industrial
Financial assets:
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial and industrial | Commercial and industrial
Financial assets:
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial and industrial | Real estate construction
Financial assets:
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Agricultural and agricultural real estate
Financial assets:
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential real estate
Financial assets:
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-owner occupied commercial real estate | Commercial and industrial
Financial assets:
Loans, net	0	0
Significant Other Observable Inputs (Level 2)
Financial assets:
Cash and cash equivalents	0	0
Time deposits in other financial institutions	0	0
Carried at fair value	4,614,773	6,115,445
Held to maturity	816,399	776,557
Other investments	91,277	74,567
Loans held for sale	5,071	5,277
Loans, net	11,149,694	10,615,955
Cash surrender value on life insurance	197,085	193,403
Derivatives	84,904	46,293
Financial liabilities:
Borrowings	622,255	376,117
Term debt	374,017	372,473
Derivatives	84,249	46,226
Significant Other Observable Inputs (Level 2) | Interest rate lock commitments
Financial assets:
Derivatives		0
Significant Other Observable Inputs (Level 2) | Forward commitments
Financial assets:
Derivatives		47
Financial liabilities:
Derivatives		99
Significant Other Observable Inputs (Level 2) | Demand deposits
Financial liabilities:
Deposits	4,500,304	5,701,340
Significant Other Observable Inputs (Level 2) | Savings deposits
Financial liabilities:
Deposits	8,805,597	9,994,391
Significant Other Observable Inputs (Level 2) | Time deposits
Financial liabilities:
Deposits	2,895,813	1,817,278
Significant Other Observable Inputs (Level 2) | Consumer
Financial assets:
Loans, net	465,686	480,018
Significant Other Observable Inputs (Level 2) | PPP | Commercial and industrial
Financial assets:
Loans, net	2,777	11,025
Significant Other Observable Inputs (Level 2) | Owner occupied commercial real estate | Commercial and industrial
Financial assets:
Loans, net	2,414,140	2,077,109
Significant Other Observable Inputs (Level 2) | Commercial and industrial | Commercial and industrial
Financial assets:
Loans, net	3,373,206	3,258,085
Significant Other Observable Inputs (Level 2) | Commercial and industrial | Real estate construction
Financial assets:
Loans, net	978,463	1,037,726
Significant Other Observable Inputs (Level 2) | Agricultural and agricultural real estate
Financial assets:
Loans, net	834,804	838,849
Significant Other Observable Inputs (Level 2) | Residential real estate
Financial assets:
Loans, net	686,687	739,718
Significant Other Observable Inputs (Level 2) | Non-owner occupied commercial real estate | Commercial and industrial
Financial assets:
Loans, net	2,393,931	2,173,425
Significant Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	0	0
Time deposits in other financial institutions	0	0
Carried at fair value	0	0
Held to maturity	0	0
Other investments	0	0
Loans held for sale	0	0
Loans, net	59,973	37,882
Cash surrender value on life insurance	0	0
Derivatives	0	0
Financial liabilities:
Borrowings	0	0
Term debt	0	0
Derivatives	0	0
Significant Unobservable Inputs (Level 3) | Interest rate lock commitments
Financial assets:
Derivatives		174
Significant Unobservable Inputs (Level 3) | Forward commitments
Financial assets:
Derivatives		0
Financial liabilities:
Derivatives		0
Significant Unobservable Inputs (Level 3) | Demand deposits
Financial liabilities:
Deposits	0	0
Significant Unobservable Inputs (Level 3) | Savings deposits
Financial liabilities:
Deposits	0	0
Significant Unobservable Inputs (Level 3) | Time deposits
Financial liabilities:
Deposits	0	0
Significant Unobservable Inputs (Level 3) | Commercial and industrial
Financial assets:
Loans, net	23,422	12,042
Significant Unobservable Inputs (Level 3) | Real estate construction
Financial assets:
Loans, net	642	1,518
Significant Unobservable Inputs (Level 3) | Consumer
Financial assets:
Loans, net	0	0
Significant Unobservable Inputs (Level 3) | PPP | Commercial and industrial
Financial assets:
Loans, net	0	0
Significant Unobservable Inputs (Level 3) | Owner occupied commercial real estate | Commercial and industrial
Financial assets:
Loans, net	30,400	7,556
Significant Unobservable Inputs (Level 3) | Commercial and industrial | Commercial and industrial
Financial assets:
Loans, net	23,422	12,042
Significant Unobservable Inputs (Level 3) | Commercial and industrial | Real estate construction
Financial assets:
Loans, net	642	1,518
Significant Unobservable Inputs (Level 3) | Agricultural and agricultural real estate
Financial assets:
Loans, net	4,768	3,788
Significant Unobservable Inputs (Level 3) | Residential real estate
Financial assets:
Loans, net	741	1,607
Significant Unobservable Inputs (Level 3) | Non-owner occupied commercial real estate | Commercial and industrial
Financial assets:
Loans, net	0	11,371
Carrying Amount
Financial assets:
Cash and cash equivalents	323,013	363,087
Time deposits in other financial institutions	1,240	1,740
Carried at fair value	4,646,891	6,147,144
Held to maturity	838,241	829,403
Other investments	91,277	74,567
Loans held for sale	5,071	5,277
Loans, net	11,946,079	11,318,869
Cash surrender value on life insurance	197,085	193,403
Derivatives	84,904	46,293
Financial liabilities:
Borrowings	622,255	376,117
Term debt	372,396	371,753
Derivatives	84,249	46,226
Carrying Amount | Interest rate lock commitments
Financial assets:
Derivatives		174
Carrying Amount | Forward commitments
Financial assets:
Derivatives		47
Financial liabilities:
Derivatives		99
Carrying Amount | Demand deposits
Financial liabilities:
Deposits	4,500,304	5,701,340
Carrying Amount | Savings deposits
Financial liabilities:
Deposits	8,805,597	9,994,391
Carrying Amount | Time deposits
Financial liabilities:
Deposits	2,895,813	1,817,278
Carrying Amount | Consumer
Financial assets:
Loans, net	484,634	497,131
Carrying Amount | PPP | Commercial and industrial
Financial assets:
Loans, net	2,777	11,025
Carrying Amount | Owner occupied commercial real estate | Commercial and industrial
Financial assets:
Loans, net	2,621,019	2,251,359
Carrying Amount | Commercial and industrial | Commercial and industrial
Financial assets:
Loans, net	3,611,368	3,435,343
Carrying Amount | Commercial and industrial | Real estate construction
Financial assets:
Loans, net	982,943	1,046,084
Carrying Amount | Agricultural and agricultural real estate
Financial assets:
Loans, net	914,892	917,876
Carrying Amount | Residential real estate
Financial assets:
Loans, net	791,984	845,650
Carrying Amount | Non-owner occupied commercial real estate | Commercial and industrial
Financial assets:
Loans, net	2,536,462	2,314,401
Estimated Fair Value
Financial assets:
Cash and cash equivalents	323,013	363,087
Time deposits in other financial institutions	1,240	1,740
Carried at fair value	4,646,891	6,147,144
Held to maturity	816,399	776,557
Other investments	91,277	74,567
Loans held for sale	5,071	5,277
Loans, net	11,209,667	10,653,837
Cash surrender value on life insurance	197,085	193,403
Derivatives	84,904	46,293
Financial liabilities:
Borrowings	622,255	376,117
Term debt	374,017	372,473
Derivatives	84,249	46,226
Estimated Fair Value | Interest rate lock commitments
Financial assets:
Derivatives		174
Estimated Fair Value | Forward commitments
Financial assets:
Derivatives		47
Financial liabilities:
Derivatives		99
Estimated Fair Value | Demand deposits
Financial liabilities:
Deposits	4,500,304	5,701,340
Estimated Fair Value | Savings deposits
Financial liabilities:
Deposits	8,805,597	9,994,391
Estimated Fair Value | Time deposits
Financial liabilities:
Deposits	2,895,813	1,817,278
Estimated Fair Value | Consumer
Financial assets:
Loans, net	465,686	480,018
Estimated Fair Value | PPP | Commercial and industrial
Financial assets:
Loans, net	2,777	11,025
Estimated Fair Value | Owner occupied commercial real estate | Commercial and industrial
Financial assets:
Loans, net	2,444,540	2,084,665
Estimated Fair Value | Commercial and industrial | Commercial and industrial
Financial assets:
Loans, net	3,396,628	3,270,127
Estimated Fair Value | Commercial and industrial | Real estate construction
Financial assets:
Loans, net	979,105	1,039,244
Estimated Fair Value | Agricultural and agricultural real estate
Financial assets:
Loans, net	839,572	842,637
Estimated Fair Value | Residential real estate
Financial assets:
Loans, net	687,428	741,325
Estimated Fair Value | Non-owner occupied commercial real estate | Commercial and industrial
Financial assets:
Loans, net	$ 2,393,931	$ 2,184,796