ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Aging of the Recorded Investment in Past Due Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	$ 4,710,396	$ 4,287,841
Total Nonaccrual	16,964	14,973
Nonaccrual With No Allowance For Credit Loss	2,615	7,711
Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	4,692,144	4,286,997
30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	1,165	727
Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	123	117
Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	4,693,432	4,272,868
Commercial and Industrial | Working capital lines of credit loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	651,039	652,927
Total Nonaccrual	1,442	5,966
Nonaccrual With No Allowance For Credit Loss	0	5,200
Commercial and Industrial | Working capital lines of credit loans | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	649,529	652,903
Commercial and Industrial | Working capital lines of credit loans | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	68	24
Commercial and Industrial | Working capital lines of credit loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	0	0
Commercial and Industrial | Working capital lines of credit loans | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	649,597	646,961
Commercial and Industrial | Non-working capital loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	841,695	735,659
Total Nonaccrual	11,622	4,596
Nonaccrual With No Allowance For Credit Loss	727	229
Commercial and Industrial | Non-working capital loans | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	830,033	735,658
Commercial and Industrial | Non-working capital loans | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	39	1
Commercial and Industrial | Non-working capital loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	1	0
Commercial and Industrial | Non-working capital loans | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	830,073	731,063
Commercial Real Estate and Multi-family Residential | Construction and land development loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	515,168	378,030
Total Nonaccrual	0	0
Nonaccrual With No Allowance For Credit Loss	0	0
Commercial Real Estate and Multi-family Residential | Construction and land development loans | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	515,168	378,030
Commercial Real Estate and Multi-family Residential | Construction and land development loans | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	0	0
Commercial Real Estate and Multi-family Residential | Construction and land development loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	0	0
Commercial Real Estate and Multi-family Residential | Construction and land development loans | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	515,168	378,030
Commercial Real Estate and Multi-family Residential | Owner occupied loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	757,516	738,791
Total Nonaccrual	3,065	3,634
Nonaccrual With No Allowance For Credit Loss	1,469	2,129
Commercial Real Estate and Multi-family Residential | Owner occupied loans | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	754,451	738,791
Commercial Real Estate and Multi-family Residential | Owner occupied loans | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	0	0
Commercial Real Estate and Multi-family Residential | Owner occupied loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	0	0
Commercial Real Estate and Multi-family Residential | Owner occupied loans | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	754,451	735,157
Commercial Real Estate and Multi-family Residential | Nonowner occupied loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	705,662	588,039
Total Nonaccrual	0	0
Nonaccrual With No Allowance For Credit Loss	0	0
Commercial Real Estate and Multi-family Residential | Nonowner occupied loans | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	705,662	588,039
Commercial Real Estate and Multi-family Residential | Nonowner occupied loans | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	0	0
Commercial Real Estate and Multi-family Residential | Nonowner occupied loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	0	0
Commercial Real Estate and Multi-family Residential | Nonowner occupied loans | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	705,662	588,039
Commercial Real Estate and Multi-family Residential | Multi-family loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	196,941	246,787
Total Nonaccrual	0	0
Nonaccrual With No Allowance For Credit Loss	0	0
Commercial Real Estate and Multi-family Residential | Multi-family loans | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	196,941	246,787
Commercial Real Estate and Multi-family Residential | Multi-family loans | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	0	0
Commercial Real Estate and Multi-family Residential | Multi-family loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	0	0
Commercial Real Estate and Multi-family Residential | Multi-family loans | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	196,941	246,787
Agri-business and Agricultural | Loans secured by farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	201,178	206,302
Total Nonaccrual	145	335
Nonaccrual With No Allowance For Credit Loss	0	0
Agri-business and Agricultural | Loans secured by farmland | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	201,033	206,302
Agri-business and Agricultural | Loans secured by farmland | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	0	0
Agri-business and Agricultural | Loans secured by farmland | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	0	0
Agri-business and Agricultural | Loans secured by farmland | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	201,033	205,967
Agri-business and Agricultural | Loans for agricultural production
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	230,989	239,573
Total Nonaccrual	0	0
Nonaccrual With No Allowance For Credit Loss	0	0
Agri-business and Agricultural | Loans for agricultural production | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	230,989	239,573
Agri-business and Agricultural | Loans for agricultural production | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	0	0
Agri-business and Agricultural | Loans for agricultural production | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	0	0
Agri-business and Agricultural | Loans for agricultural production | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	230,989	239,573
Agri-business and Agricultural | Other commercial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	113,341	73,178
Total Nonaccrual	0	0
Nonaccrual With No Allowance For Credit Loss	0	0
Agri-business and Agricultural | Other commercial loans | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	113,341	73,178
Agri-business and Agricultural | Other commercial loans | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	0	0
Agri-business and Agricultural | Other commercial loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	0	0
Agri-business and Agricultural | Other commercial loans | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	113,341	73,178
Consumer 1-4 Family Mortgage | Closed end first mortgage loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	212,457	176,295
Total Nonaccrual	293	55
Nonaccrual With No Allowance For Credit Loss	225	55
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	211,736	175,678
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	306	500
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	122	117
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	212,164	176,240
Consumer 1-4 Family Mortgage | Open end and junior lien loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	177,382	157,859
Total Nonaccrual	188	98
Nonaccrual With No Allowance For Credit Loss	188	98
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	176,758	157,729
Consumer 1-4 Family Mortgage | Open end and junior lien loans | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	436	130
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
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, Allowance for Credit Loss [Line Items]
Loans	177,194	157,761
Consumer 1-4 Family Mortgage | Residential construction loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	19,170	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, Allowance for Credit Loss [Line Items]
Loans	19,170	11,857
Consumer 1-4 Family Mortgage | Residential construction loans | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	0	0
Consumer 1-4 Family Mortgage | Residential construction loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	0	0
Consumer 1-4 Family Mortgage | Residential construction loans | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	19,170	11,857
Consumer 1-4 Family Mortgage | Other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	87,858	82,544
Total Nonaccrual	209	289
Nonaccrual With No Allowance For Credit Loss	6	0
Consumer 1-4 Family Mortgage | Other consumer loans | Loans Not Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	87,333	82,472
Consumer 1-4 Family Mortgage | Other consumer loans | 30-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	316	72
Consumer 1-4 Family Mortgage | Other consumer loans | Greater than 89 Days Past Due and Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Greater than 89 Days Past Due and Accruing	0	0
Consumer 1-4 Family Mortgage | Other consumer loans | Total Accruing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans	$ 87,649	$ 82,255