LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Past Due and Non-Accrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Summary of past due and non-accrual loans
Past Due	$ 12,832	$ 29,299
Loans on Non-accrual	23,293	36,133
Loans past due 90 days or more and still accruing	0	0
30 to 59 Days
Summary of past due and non-accrual loans
Past Due	736	7,359
60 to 89 Days
Summary of past due and non-accrual loans
Past Due	2,690	3,064
90 Days or More
Summary of past due and non-accrual loans
Past Due	9,406	18,876
Residential | 1-4 family
Summary of past due and non-accrual loans
Past Due	8,153	12,256
Loans on Non-accrual	8,921	11,210
Residential | 1-4 family | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due		5,578
Residential | 1-4 family | 60 to 89 Days
Summary of past due and non-accrual loans
Past Due	2,163	2,901
Residential | 1-4 family | 90 Days or More
Summary of past due and non-accrual loans
Past Due	5,990	3,777
Residential | Second mortgages and equity lines of credit
Summary of past due and non-accrual loans
Past Due	320	538
Loans on Non-accrual	415	600
Residential | Second mortgages and equity lines of credit | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due	98	202
Residential | Second mortgages and equity lines of credit | 90 Days or More
Summary of past due and non-accrual loans
Past Due	222	336
Commercial | Commercial real estate
Summary of past due and non-accrual loans
Past Due	288	11,483
Loans on Non-accrual	10,576	20,053
Commercial | Commercial real estate | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due		149
Commercial | Commercial real estate | 90 Days or More
Summary of past due and non-accrual loans
Past Due	288	11,334
Commercial | Commercial and industrial
Summary of past due and non-accrual loans
Past Due	3,550	3,894
Loans on Non-accrual	3,287	4,114
Commercial | Commercial and industrial | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due	275	616
Commercial | Commercial and industrial | 60 to 89 Days
Summary of past due and non-accrual loans
Past Due	434	1
Commercial | Commercial and industrial | 90 Days or More
Summary of past due and non-accrual loans
Past Due	2,841	3,277
Consumer loans | Auto
Summary of past due and non-accrual loans
Past Due	449	1,049
Loans on Non-accrual	82	144
Consumer loans | Auto | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due	345	747
Consumer loans | Auto | 60 to 89 Days
Summary of past due and non-accrual loans
Past Due	51	162
Consumer loans | Auto | 90 Days or More
Summary of past due and non-accrual loans
Past Due	53	140
Consumer loans | Personal
Summary of past due and non-accrual loans
Past Due	72	79
Loans on Non-accrual	12	12
Consumer loans | Personal | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due	18	67
Consumer loans | Personal | 60 to 89 Days
Summary of past due and non-accrual loans
Past Due	42
Consumer loans | Personal | 90 Days or More
Summary of past due and non-accrual loans
Past Due	$ 12	$ 12