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ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Aging Of The Amortized Cost In Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	$ 4,754,928	$ 4,710,396
Total Nonaccrual	17,714	16,964
Nonaccrual With No Allowance For Credit Loss	2,746	2,615
Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	4,734,786	4,692,144
30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	2,403	1,165
Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	25	123
Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	4,719,500	4,693,432
Commercial and industrial loans: | Working capital lines of credit loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	636,262	651,039
Total Nonaccrual	5,840	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	628,672	649,529
Commercial and industrial loans: | Working capital lines of credit loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	1,750	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	624,582	649,597
Commercial and industrial loans: | Non-working capital loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	823,052	841,695
Total Nonaccrual	7,871	11,622
Nonaccrual With No Allowance For Credit Loss	747	727
Commercial and industrial loans: | Non-working capital loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	815,150	830,033
Commercial and industrial loans: | Non-working capital loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	31	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	807,310	830,073
Commercial Real Estate and Multifamily Residential | Construction and land development loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	588,986	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	588,986	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	588,986	515,168
Commercial Real Estate and Multifamily Residential | Owner occupied loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	750,261	757,516
Total Nonaccrual	3,044	3,065
Nonaccrual With No Allowance For Credit Loss	1,454	1,469
Commercial Real Estate and Multifamily Residential | Owner occupied loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	747,217	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	744,173	754,451
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	705,398	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	705,398	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	705,398	705,662
Commercial Real Estate and Multifamily Residential | Multifamily loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	216,998	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	216,998	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	216,998	196,941
Agri-business and agricultural loans: | Loans secured by farmland
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	178,664	201,178
Total Nonaccrual	135	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	178,529	201,033
Agri-business and agricultural loans: | Loans secured by farmland | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	0	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	178,394	201,033
Agri-business and agricultural loans: | Loans for agricultural production
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	214,398	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	214,398	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	214,398	230,989
Agri-business and agricultural loans: | Other commercial loans:
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	132,039	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	132,039	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	132,039	113,341
Consumer 1-4 Family Mortgage | Closed end first mortgage loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	221,303	212,457
Total Nonaccrual	404	293
Nonaccrual With No Allowance For Credit Loss	252	225
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	220,501	211,736
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	373	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	25	122
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	220,495	212,164
Consumer 1-4 Family Mortgage | Open end and junior lien loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	177,739	177,382
Total Nonaccrual	213	188
Nonaccrual With No Allowance For Credit Loss	213	188
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	177,388	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	138	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	177,313	177,194
Consumer 1-4 Family Mortgage | Residential construction loans:
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	20,307	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	20,307	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	20,307	19,170
Consumer 1-4 Family Mortgage | Other consumer loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	89,521	87,858
Total Nonaccrual	207	209
Nonaccrual With No Allowance For Credit Loss	5	6
Consumer 1-4 Family Mortgage | Other consumer loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	89,203	87,333
Consumer 1-4 Family Mortgage | Other consumer loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	111	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	$ 89,107	$ 87,649

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