ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Aging Of The Amortized Cost In Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	$ 4,424,699	$ 4,287,841
Total Nonaccrual	12,493	14,973
Nonaccrual With No Allowance For Credit Loss	5,493	7,711
Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	4,423,813	4,286,997
30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	782	727
Greater than 89 Days Past Due and Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Greater than 89 Days Past Due and Accruing	104	117
Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	4,412,206	4,272,868
Commercial and industrial loans: | Working capital lines of credit loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	726,878	652,927
Total Nonaccrual	4,482	5,966
Nonaccrual With No Allowance For Credit Loss	3,511	5,200
Commercial and industrial loans: | Working capital lines of credit loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	726,862	652,903
Commercial and industrial loans: | Working capital lines of credit loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	16	24
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	722,396	646,961
Commercial and industrial loans: | Non-working capital loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	802,679	735,659
Total Nonaccrual	4,297	4,596
Nonaccrual With No Allowance For Credit Loss	234	229
Commercial and industrial loans: | Non-working capital loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	802,679	735,658
Commercial and industrial loans: | Non-working capital loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	0	1
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	0
Commercial and industrial loans: | Non-working capital loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	798,382	731,063
Commercial Real Estate and Multifamily Residential | Construction and land development loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	416,210	378,030
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	416,210	378,030
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	416,210	378,030
Commercial Real Estate and Multifamily Residential | Owner occupied loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	725,929	738,791
Total Nonaccrual	2,993	3,634
Nonaccrual With No Allowance For Credit Loss	1,498	2,129
Commercial Real Estate and Multifamily Residential | Owner occupied loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	725,929	738,791
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	722,936	735,157
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	635,111	588,039
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	635,111	588,039
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	635,111	588,039
Commercial Real Estate and Multifamily Residential | Multifamily loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	173,651	246,787
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	173,651	246,787
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	173,651	246,787
Agri-business and agricultural loans: | Loans secured by farmland
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	194,226	206,302
Total Nonaccrual	145	335
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	194,226	206,302
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	194,081	205,967
Agri-business and agricultural loans: | Loans for agricultural production
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	193,743	239,573
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	193,743	239,573
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	193,743	239,573
Agri-business and agricultural loans: | Other commercial loans:
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	92,871	73,178
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	92,545	73,178
Agri-business and agricultural loans: | Other commercial loans: | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	326	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	92,871	73,178
Consumer 1-4 Family Mortgage | Closed end first mortgage loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	190,723	176,295
Total Nonaccrual	210	55
Nonaccrual With No Allowance For Credit Loss	140	55
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	190,408	175,678
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	248	500
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	67	117
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	190,513	176,240
Consumer 1-4 Family Mortgage | Open end and junior lien loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	174,179	157,859
Total Nonaccrual	110	98
Nonaccrual With No Allowance For Credit Loss	110	98
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	174,036	157,729
Consumer 1-4 Family Mortgage | Open end and junior lien loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	106	130
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	37	0
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Total Accruing
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	174,069	157,761
Consumer 1-4 Family Mortgage | Residential construction loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	10,018	11,857
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	10,018	11,857
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	10,018	11,857
Consumer 1-4 Family Mortgage | Other consumer loans
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	88,481	82,544
Total Nonaccrual	256	289
Nonaccrual With No Allowance For Credit Loss	0	0
Consumer 1-4 Family Mortgage | Other consumer loans | Loans Not Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	88,395	82,472
Consumer 1-4 Family Mortgage | Other consumer loans | 30-89 Days Past Due
Financing Receivable, Amortized Cost, Aging [Abstract]
Loans	86	72
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	$ 88,225	$ 82,255