ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Schedule of Aging of the Amortized Cost Basis in Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	$ 5,223,221	$ 5,117,948
Total Nonaccrual	57,397	56,417
Nonaccrual With No Allowance For Credit Loss	1,923	1,949
Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	5,161,508	5,057,232
30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	4,309	4,270
Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	7	29
Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	5,165,824	5,061,531
Commercial and industrial loans: | Working capital lines of credit loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	716,408	649,440
Total Nonaccrual	46,274	45,342
Nonaccrual With No Allowance For Credit Loss	567	594
Commercial and industrial loans: | Working capital lines of credit loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	669,137	603,016
Commercial and industrial loans: | Working capital lines of credit loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	997	1,082
Commercial and industrial loans: | Working capital lines of credit loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	0
Commercial and industrial loans: | Working capital lines of credit loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	670,134	604,098
Commercial and industrial loans: | Non-working capital loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	806,578	800,758
Total Nonaccrual	7,428	7,515
Nonaccrual With No Allowance For Credit Loss	156	37
Commercial and industrial loans: | Non-working capital loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	798,635	792,577
Commercial and industrial loans: | Non-working capital loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	515	663
Commercial and industrial loans: | Non-working capital loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	3
Commercial and industrial loans: | Non-working capital loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	799,150	793,243
Commercial Real Estate and Multifamily Residential | Construction and land development loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	622,250	565,975
Total Nonaccrual	0	0
Nonaccrual With No Allowance For Credit Loss	0	0
Commercial Real Estate and Multifamily Residential | Construction and land development loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	622,250	565,975
Commercial Real Estate and Multifamily Residential | Construction and land development loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	0	0
Commercial Real Estate and Multifamily Residential | Construction and land development loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	0
Commercial Real Estate and Multifamily Residential | Construction and land development loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	622,250	565,975
Commercial Real Estate and Multifamily Residential | Owner occupied loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	804,427	806,585
Total Nonaccrual	1,765	1,775
Nonaccrual With No Allowance For Credit Loss	311	318
Commercial Real Estate and Multifamily Residential | Owner occupied loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	802,662	804,810
Commercial Real Estate and Multifamily Residential | Owner occupied loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	0	0
Commercial Real Estate and Multifamily Residential | Owner occupied loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	0
Commercial Real Estate and Multifamily Residential | Owner occupied loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	802,662	804,810
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	851,431	872,002
Total Nonaccrual	0	0
Nonaccrual With No Allowance For Credit Loss	0	0
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	851,431	872,002
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	0	0
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	0
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	851,431	872,002
Commercial Real Estate and Multifamily Residential | Multifamily loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	339,661	344,643
Total Nonaccrual	0	0
Nonaccrual With No Allowance For Credit Loss	0	0
Commercial Real Estate and Multifamily Residential | Multifamily loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	339,661	344,643
Commercial Real Estate and Multifamily Residential | Multifamily loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	0	0
Commercial Real Estate and Multifamily Residential | Multifamily loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	0
Commercial Real Estate and Multifamily Residential | Multifamily loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	339,661	344,643
Agri-business and agricultural loans: | Loans secured by farmland
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	156,118	156,614
Total Nonaccrual	67	71
Nonaccrual With No Allowance For Credit Loss	0	0
Agri-business and agricultural loans: | Loans secured by farmland | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	156,038	156,543
Agri-business and agricultural loans: | Loans secured by farmland | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	13	0
Agri-business and agricultural loans: | Loans secured by farmland | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	0
Agri-business and agricultural loans: | Loans secured by farmland | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	156,051	156,543
Agri-business and agricultural loans: | Loans for agricultural production
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	227,745	230,895
Total Nonaccrual	0	0
Nonaccrual With No Allowance For Credit Loss	0	0
Agri-business and agricultural loans: | Loans for agricultural production | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	227,745	230,895
Agri-business and agricultural loans: | Loans for agricultural production | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	0	0
Agri-business and agricultural loans: | Loans for agricultural production | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	0
Agri-business and agricultural loans: | Loans for agricultural production | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	227,745	230,895
Agri-business and agricultural loans: | Other commercial loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	94,825	95,493
Total Nonaccrual	0	0
Nonaccrual With No Allowance For Credit Loss	0	0
Agri-business and agricultural loans: | Other commercial loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	94,825	95,493
Agri-business and agricultural loans: | Other commercial loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	0	0
Agri-business and agricultural loans: | Other commercial loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	0
Agri-business and agricultural loans: | Other commercial loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	94,825	95,493
Consumer 1-4 Family Mortgage | Closed end first mortgage loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	265,489	258,917
Total Nonaccrual	1,279	1,121
Nonaccrual With No Allowance For Credit Loss	647	665
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	261,921	256,486
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	2,282	1,284
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	7	26
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	264,210	257,796
Consumer 1-4 Family Mortgage | Open end and junior lien loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	220,028	216,137
Total Nonaccrual	219	318
Nonaccrual With No Allowance For Credit Loss	219	318
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	219,696	215,505
Consumer 1-4 Family Mortgage | Open end and junior lien loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	113	314
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	0
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	219,809	215,819
Consumer 1-4 Family Mortgage | Residential construction loans:
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	16,268	16,722
Total Nonaccrual	0	0
Nonaccrual With No Allowance For Credit Loss	0	0
Consumer 1-4 Family Mortgage | Residential construction loans: | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	16,268	16,722
Consumer 1-4 Family Mortgage | Residential construction loans: | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	0	0
Consumer 1-4 Family Mortgage | Residential construction loans: | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	0
Consumer 1-4 Family Mortgage | Residential construction loans: | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	16,268	16,722
Consumer 1-4 Family Mortgage | Other consumer loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	101,993	103,767
Total Nonaccrual	365	275
Nonaccrual With No Allowance For Credit Loss	23	17
Consumer 1-4 Family Mortgage | Other consumer loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	101,239	102,565
Consumer 1-4 Family Mortgage | Other consumer loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	389	927
Consumer 1-4 Family Mortgage | Other consumer loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	0	0
Consumer 1-4 Family Mortgage | Other consumer loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	$ 101,628	$ 103,492