ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Aging Of The Amortized Cost In Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	$ 4,862,260	$ 4,710,396
Total Nonaccrual	18,005	16,964
Nonaccrual With No Allowance For Credit Loss	2,764	2,615
Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	4,843,040	4,692,144
30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	1,207	1,165
Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	8	123
Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	4,826,250	4,693,432
Commercial and industrial loans: | Working capital lines of credit loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	618,726	651,039
Total Nonaccrual	5,421	1,442
Nonaccrual With No Allowance For Credit Loss	75	0
Commercial and industrial loans: | Working capital lines of credit loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	612,932	649,529
Commercial and industrial loans: | Working capital lines of credit loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	373	68
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	607,884	649,597
Commercial and industrial loans: | Non-working capital loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	850,831	841,695
Total Nonaccrual	8,841	11,622
Nonaccrual With No Allowance For Credit Loss	695	727
Commercial and industrial loans: | Non-working capital loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	841,990	830,033
Commercial and industrial loans: | Non-working capital loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	0	39
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	1
Commercial and industrial loans: | Non-working capital loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	833,149	830,073
Commercial Real Estate and Multifamily Residential | Construction and land development loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	588,103	515,168
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	588,103	515,168
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	588,103	515,168
Commercial Real Estate and Multifamily Residential | Owner occupied loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	805,512	757,516
Total Nonaccrual	2,923	3,065
Nonaccrual With No Allowance For Credit Loss	1,440	1,469
Commercial Real Estate and Multifamily Residential | Owner occupied loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	802,589	754,451
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	799,666	754,451
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	724,246	705,662
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	724,246	705,662
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	724,246	705,662
Commercial Real Estate and Multifamily Residential | Multifamily loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	254,304	196,941
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	254,304	196,941
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	254,304	196,941
Agri-business and agricultural loans: | Loans secured by farmland
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	176,791	201,178
Total Nonaccrual	115	145
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	176,635	201,033
Agri-business and agricultural loans: | Loans secured by farmland | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	41	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	176,561	201,033
Agri-business and agricultural loans: | Loans for agricultural production
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	198,255	230,989
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	198,255	230,989
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	198,255	230,989
Agri-business and agricultural loans: | Other commercial loans:
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	120,757	113,341
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	120,757	113,341
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	120,757	113,341
Consumer 1-4 Family Mortgage | Closed end first mortgage loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	228,758	212,457
Total Nonaccrual	494	293
Nonaccrual With No Allowance For Credit Loss	343	225
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	227,988	211,736
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	268	306
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	8	122
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	227,770	212,164
Consumer 1-4 Family Mortgage | Open end and junior lien loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	185,579	177,382
Total Nonaccrual	207	188
Nonaccrual With No Allowance For Credit Loss	207	188
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	185,060	176,758
Consumer 1-4 Family Mortgage | Open end and junior lien loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	312	436
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	185,165	177,194
Consumer 1-4 Family Mortgage | Residential construction loans:
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	18,487	19,170
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	18,487	19,170
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	18,487	19,170
Consumer 1-4 Family Mortgage | Other consumer loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	91,911	87,858
Total Nonaccrual	4	209
Nonaccrual With No Allowance For Credit Loss	4	6
Consumer 1-4 Family Mortgage | Other consumer loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	91,694	87,333
Consumer 1-4 Family Mortgage | Other consumer loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	213	316
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	$ 91,903	$ 87,649