LOANS AND ALLOWANCE - Non-Accrual Loans by Loan Class (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	$ 53,102	$ 42,324
Nonaccrual Loans with no Allowance for Credit Losses	14,627	4,247
Commercial and industrial loans
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	14,737	3,292
Nonaccrual Loans with no Allowance for Credit Losses	1,020	481
Agricultural land, production and other loans to farmers
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	61	54
Nonaccrual Loans with no Allowance for Credit Losses	0	0
Construction
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	724	12
Nonaccrual Loans with no Allowance for Credit Losses	0	0
Commercial real estate, non-owner occupied
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	11,575	19,374
Nonaccrual Loans with no Allowance for Credit Losses	11,293	280
Commercial real estate, owner occupied
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	3,125	3,550
Nonaccrual Loans with no Allowance for Credit Losses	2,314	2,784
Residential
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	20,244	13,685
Nonaccrual Loans with no Allowance for Credit Losses	0	702
Home equity
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	2,534	2,247
Nonaccrual Loans with no Allowance for Credit Losses	0	0
Individuals' loans for household and other personal expenditures
Financing Receivable, Past Due [Line Items]
Nonaccrual Loans	102	110
Nonaccrual Loans with no Allowance for Credit Losses	$ 0	$ 0

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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