LOANS AND THE ALLOWANCE FOR CREDIT LOSSES - Aging analysis of recorded investments by class (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Financing receivable loan	$ 2,530,915	$ 2,469,413
Current
Financing Receivable, Past Due [Line Items]
Financing receivable loan	2,448,353	2,422,128
Total Amortized Cost
Financing Receivable, Past Due [Line Items]
Financing receivable loan	2,517,189	2,446,092
Loans Accounted for Under the Fair Value Option
Financing Receivable, Past Due [Line Items]
Financing receivable loan	13,726	23,321
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	21,074	11,238
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	2,672	11,192
90 or More Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	45,090	1,534
Total Loans Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	68,836	23,964
Cash, Securities, and Other
Financing Receivable, Past Due [Line Items]
Financing receivable loan	139,947	165,559
Cash, Securities, and Other | Current
Financing Receivable, Past Due [Line Items]
Financing receivable loan	138,167	163,281
Cash, Securities, and Other | Total Amortized Cost
Financing Receivable, Past Due [Line Items]
Financing receivable loan	139,947	165,559
Cash, Securities, and Other | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	0	1,735
Cash, Securities, and Other | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	76	539
Cash, Securities, and Other | 90 or More Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	1,704	4
Cash, Securities, and Other | Total Loans Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	1,780	2,278
Consumer and Other
Financing Receivable, Past Due [Line Items]
Financing receivable loan	40,754	49,391
Consumer and Other | Current
Financing Receivable, Past Due [Line Items]
Financing receivable loan	18,837	25,403
Consumer and Other | Total Amortized Cost
Financing Receivable, Past Due [Line Items]
Financing receivable loan	27,028	26,070
Consumer and Other | Loans Accounted for Under the Fair Value Option
Financing Receivable, Past Due [Line Items]
Financing receivable loan	13,726	23,321
Consumer and Other | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	676	657
Consumer and Other | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	11	5
Consumer and Other | 90 or More Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	7,504	5
Consumer and Other | Total Loans Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	8,191	667
Construction and Development
Financing Receivable, Past Due [Line Items]
Financing receivable loan	345,516	285,627
Construction and Development | Current
Financing Receivable, Past Due [Line Items]
Financing receivable loan	344,016	285,426
Construction and Development | Total Amortized Cost
Financing Receivable, Past Due [Line Items]
Financing receivable loan	345,516	285,627
Construction and Development | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	0	0
Construction and Development | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	1,500	0
Construction and Development | 90 or More Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	0	201
Construction and Development | Total Loans Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	1,500	201
1-4 Family Residential
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	300
Financing receivable loan	927,965	899,722
1-4 Family Residential | Current
Financing Receivable, Past Due [Line Items]
Financing receivable loan	924,150	897,965
1-4 Family Residential | Total Amortized Cost
Financing Receivable, Past Due [Line Items]
Financing receivable loan	927,965	899,722
1-4 Family Residential | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	1,093	1,752
1-4 Family Residential | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	0	0
1-4 Family Residential | 90 or More Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	2,722	5
1-4 Family Residential | Total Loans Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	3,815	1,757
Non-Owner Occupied CRE
Financing Receivable, Past Due [Line Items]
Financing receivable loan	543,692	493,134
Non-Owner Occupied CRE | Current
Financing Receivable, Past Due [Line Items]
Financing receivable loan	543,692	492,063
Non-Owner Occupied CRE | Total Amortized Cost
Financing Receivable, Past Due [Line Items]
Financing receivable loan	543,692	493,134
Non-Owner Occupied CRE | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	0	1,071
Non-Owner Occupied CRE | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	0	0
Non-Owner Occupied CRE | 90 or More Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	0	0
Non-Owner Occupied CRE | Total Loans Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	0	1,071
Owner Occupied CRE
Financing Receivable, Past Due [Line Items]
Financing receivable loan	195,861	214,189
Owner Occupied CRE | Current
Financing Receivable, Past Due [Line Items]
Financing receivable loan	191,881	213,024
Owner Occupied CRE | Total Amortized Cost
Financing Receivable, Past Due [Line Items]
Financing receivable loan	195,861	214,189
Owner Occupied CRE | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	0	1,165
Owner Occupied CRE | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	0	0
Owner Occupied CRE | 90 or More Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	3,980	0
Owner Occupied CRE | Total Loans Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	3,980	1,165
Commercial and Industrial
Financing Receivable, Past Due [Line Items]
Financing receivable loan	337,180	361,791
Commercial and Industrial | Current
Financing Receivable, Past Due [Line Items]
Financing receivable loan	287,610	344,966
Commercial and Industrial | Total Amortized Cost
Financing Receivable, Past Due [Line Items]
Financing receivable loan	337,180	361,791
Commercial and Industrial | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	19,305	4,858
Commercial and Industrial | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	1,085	10,648
Commercial and Industrial | 90 or More Days Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	29,180	1,319
Commercial and Industrial | Total Loans Past Due
Financing Receivable, Past Due [Line Items]
Total Loans Past Due	$ 49,570	$ 16,825