LOANS (Allowance for Credit Losses on Financing Receivables) (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment, nonaccrual threshold	$ 500,000
Allowance For Credit Losses
Individually Evaluated for Credit Losses	20,413,000	$ 7,109,000
Collectively Evaluated for Credit Losses	102,153,000	102,374,000
Total	122,566,000	109,483,000
Gross Loans Receivable Held to Maturity
Loans Individually Evaluated for Credit Losses	80,385,000	44,991,000
Loans Collectively Evaluated for Credit Losses	11,988,260,000	11,383,361,000
Total	12,068,645,000	11,428,352,000
Paycheck Protection Program ("PPP")
Allowance For Credit Losses
Total	0
Commercial and industrial | Commercial and industrial
Allowance For Credit Losses
Individually Evaluated for Credit Losses	18,425,000	6,670,000
Collectively Evaluated for Credit Losses	22,254,000	22,401,000
Total	40,679,000	29,071,000
Gross Loans Receivable Held to Maturity
Loans Individually Evaluated for Credit Losses	41,847,000	18,712,000
Loans Collectively Evaluated for Credit Losses	3,610,200,000	3,445,702,000
Total	3,652,047,000	3,464,414,000
Commercial and industrial | Paycheck Protection Program ("PPP")
Allowance For Credit Losses
Individually Evaluated for Credit Losses	0	0
Collectively Evaluated for Credit Losses	0	0
Total	0	0
Gross Loans Receivable Held to Maturity
Loans Individually Evaluated for Credit Losses	0	0
Loans Collectively Evaluated for Credit Losses	2,777,000	11,025,000
Total	2,777,000	11,025,000
Commercial and industrial | Owner occupied commercial real estate
Allowance For Credit Losses
Individually Evaluated for Credit Losses	0	376,000
Collectively Evaluated for Credit Losses	17,156,000	13,572,000
Total	17,156,000	13,948,000
Gross Loans Receivable Held to Maturity
Loans Individually Evaluated for Credit Losses	30,400,000	7,932,000
Loans Collectively Evaluated for Credit Losses	2,607,775,000	2,257,375,000
Total	2,638,175,000	2,265,307,000
Commercial and industrial | Non-owner occupied commercial real estate
Allowance For Credit Losses
Individually Evaluated for Credit Losses	0	0
Collectively Evaluated for Credit Losses	17,249,000	16,539,000
Total	17,249,000	16,539,000
Gross Loans Receivable Held to Maturity
Loans Individually Evaluated for Credit Losses	0	11,371,000
Loans Collectively Evaluated for Credit Losses	2,553,711,000	2,319,569,000
Total	2,553,711,000	2,330,940,000
Commercial and industrial | Real estate construction
Allowance For Credit Losses
Individually Evaluated for Credit Losses	56,000	0
Collectively Evaluated for Credit Losses	28,717,000	29,998,000
Total	28,773,000	29,998,000
Gross Loans Receivable Held to Maturity
Loans Individually Evaluated for Credit Losses	697,000	1,518,000
Loans Collectively Evaluated for Credit Losses	1,011,019,000	1,074,564,000
Total	1,011,716,000	1,076,082,000
Agricultural and agricultural real estate
Allowance For Credit Losses
Individually Evaluated for Credit Losses	1,932,000	63,000
Collectively Evaluated for Credit Losses	2,360,000	2,571,000
Total	4,292,000	2,634,000
Gross Loans Receivable Held to Maturity
Loans Individually Evaluated for Credit Losses	6,700,000	3,851,000
Loans Collectively Evaluated for Credit Losses	912,484,000	916,659,000
Total	919,184,000	920,510,000
Residential real estate
Allowance For Credit Losses
Individually Evaluated for Credit Losses	0	0
Collectively Evaluated for Credit Losses	5,845,000	7,711,000
Total	5,845,000	7,711,000
Gross Loans Receivable Held to Maturity
Loans Individually Evaluated for Credit Losses	741,000	1,607,000
Loans Collectively Evaluated for Credit Losses	797,088,000	851,754,000
Total	797,829,000	853,361,000
Consumer
Allowance For Credit Losses
Individually Evaluated for Credit Losses	0	0
Collectively Evaluated for Credit Losses	8,572,000	9,582,000
Total	8,572,000	9,582,000
Gross Loans Receivable Held to Maturity
Loans Individually Evaluated for Credit Losses	0	0
Loans Collectively Evaluated for Credit Losses	493,206,000	506,713,000
Total	$ 493,206,000	$ 506,713,000