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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Past Due Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Total loans	$ 2,531,910	$ 2,562,885
Past Due More Than 90 days and Accruing	134	267
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:	6,959	12,307
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:	1,712	4,263
90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Loans:	1,705	4,833
Total Past Due
Financing Receivable, Past Due [Line Items]
Loans:	10,376	21,403
Current
Financing Receivable, Past Due [Line Items]
Loans:	2,521,534	2,541,482
Total commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans		1,084,381
Total commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans		441,069
Construction and land development | Total commercial loans
Financing Receivable, Past Due [Line Items]
Total loans	56,263	117,882
Construction and land development | Total commercial loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:		74
Construction and land development | Total commercial loans | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Loans:		1
Construction and land development | Total commercial loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans:		75
Construction and land development | Total commercial loans | Current
Financing Receivable, Past Due [Line Items]
Loans:	56,263	117,807
Commercial real estate owner occupied | Total commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans	257,122	219,217
Commercial real estate owner occupied | Total commercial real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:	1,190	1,309
Commercial real estate owner occupied | Total commercial real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:	7	464
Commercial real estate owner occupied | Total commercial real estate | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Loans:	1	438
Commercial real estate owner occupied | Total commercial real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans:	1,198	2,211
Commercial real estate owner occupied | Total commercial real estate | Current
Financing Receivable, Past Due [Line Items]
Loans:	255,924	217,006
Commercial real estate non-owner occupied | Total commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans	887,092	716,776
Commercial real estate non-owner occupied | Total commercial real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:		503
Commercial real estate non-owner occupied | Total commercial real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:		674
Commercial real estate non-owner occupied | Total commercial real estate | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Loans:		624
Commercial real estate non-owner occupied | Total commercial real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans:		1,801
Commercial real estate non-owner occupied | Total commercial real estate | Current
Financing Receivable, Past Due [Line Items]
Loans:		714,975
Commercial real estate non-owner occupied | Total commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	887,092
Commercial real estate non-owner occupied | Total commercial and industrial | Current
Financing Receivable, Past Due [Line Items]
Loans:	887,092
Tax exempt
Financing Receivable, Past Due [Line Items]
Total loans	41,280	47,862
Tax exempt | Current
Financing Receivable, Past Due [Line Items]
Loans:	41,280	47,862
Commercial and industrial | Total commercial and industrial
Financing Receivable, Past Due [Line Items]
Total loans	307,112	355,684
Past Due More Than 90 days and Accruing	30
Commercial and industrial | Total commercial and industrial | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:	31	161
Commercial and industrial | Total commercial and industrial | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:	318
Commercial and industrial | Total commercial and industrial | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Loans:	185	193
Commercial and industrial | Total commercial and industrial | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans:	534	354
Commercial and industrial | Total commercial and industrial | Current
Financing Receivable, Past Due [Line Items]
Loans:	306,578	355,330
Residential mortgages | Total residential real estate
Financing Receivable, Past Due [Line Items]
Total loans	888,263	995,216
Past Due More Than 90 days and Accruing	41
Residential mortgages | Total residential real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:	5,010	9,178
Residential mortgages | Total residential real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:	1,238	2,511
Residential mortgages | Total residential real estate | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Loans:	1,416	3,200
Residential mortgages | Total residential real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans:	7,664	14,889
Residential mortgages | Total residential real estate | Current
Financing Receivable, Past Due [Line Items]
Loans:	880,599	980,327
Home equity
Financing Receivable, Past Due [Line Items]
Total loans	86,657	100,096
Past Due More Than 90 days and Accruing	63	267
Home equity | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:	699	1,062
Home equity | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:	149	614
Home equity | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Loans:	101	375
Home equity | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans:	949	2,051
Home equity | Current
Financing Receivable, Past Due [Line Items]
Loans:	85,708	98,045
Other consumer | Total consumer
Financing Receivable, Past Due [Line Items]
Total loans	8,121	10,152
Other consumer | Total consumer | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans:	29	20
Other consumer | Total consumer | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Loans:	2	2
Other consumer | Total consumer | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans:	31	22
Other consumer | Total consumer | Current
Financing Receivable, Past Due [Line Items]
Loans:	$ 8,090	$ 10,130

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