LOANS - Summary of Past Due and Non-Accrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Summary of past due and non-accrual loans
Past Due	$ 35,050	$ 39,097
Loans on Non-accrual	38,064	30,321
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	3,920	15,292
60 to 89 Days
Summary of past due and non-accrual loans
Past Due	7,774	11,623
90 Days or More
Summary of past due and non-accrual loans
Past Due	23,356	12,182
Residential | 1-4 family
Summary of past due and non-accrual loans
Past Due	9,951	20,654
Loans on Non-accrual	10,595	10,610
Residential | 1-4 family | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due	1,279	9,364
Residential | 1-4 family | 60 to 89 Days
Summary of past due and non-accrual loans
Past Due	3,276	5,622
Residential | 1-4 family | 90 Days or More
Summary of past due and non-accrual loans
Past Due	5,396	5,668
Residential | Second mortgages and equity lines of credit
Summary of past due and non-accrual loans
Past Due	1,058	1,255
Loans on Non-accrual	1,095	1,561
Residential | Second mortgages and equity lines of credit | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due	183	418
Residential | Second mortgages and equity lines of credit | 60 to 89 Days
Summary of past due and non-accrual loans
Past Due	319	77
Residential | Second mortgages and equity lines of credit | 90 Days or More
Summary of past due and non-accrual loans
Past Due	556	760
Commercial | Commercial real estate
Summary of past due and non-accrual loans
Past Due	6,298	5,182
Loans on Non-accrual	3,631	530
Commercial | Commercial real estate | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due		261
Commercial | Commercial real estate | 60 to 89 Days
Summary of past due and non-accrual loans
Past Due	2,667	4,730
Commercial | Commercial real estate | 90 Days or More
Summary of past due and non-accrual loans
Past Due	3,631	191
Commercial | Commercial construction
Summary of past due and non-accrual loans
Past Due	10,939	1,960
Loans on Non-accrual	10,939	11,244
Commercial | Commercial construction | 90 Days or More
Summary of past due and non-accrual loans
Past Due	10,939	1,960
Commercial | Commercial and industrial
Summary of past due and non-accrual loans
Past Due	3,956	5,855
Loans on Non-accrual	10,572	5,831
Commercial | Commercial and industrial | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due	1,278	2,000
Commercial | Commercial and industrial | 60 to 89 Days
Summary of past due and non-accrual loans
Past Due	799	722
Commercial | Commercial and industrial | 90 Days or More
Summary of past due and non-accrual loans
Past Due	1,879	3,133
Consumer loans | Auto
Summary of past due and non-accrual loans
Past Due	2,788	4,093
Loans on Non-accrual	1,179	529
Consumer loans | Auto | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due	1,175	3,180
Consumer loans | Auto | 60 to 89 Days
Summary of past due and non-accrual loans
Past Due	671	456
Consumer loans | Auto | 90 Days or More
Summary of past due and non-accrual loans
Past Due	942	457
Consumer loans | Personal
Summary of past due and non-accrual loans
Past Due	60	98
Loans on Non-accrual	53	16
Consumer loans | Personal | 30 to 59 Days
Summary of past due and non-accrual loans
Past Due	5	69
Consumer loans | Personal | 60 to 89 Days
Summary of past due and non-accrual loans
Past Due	42	16
Consumer loans | Personal | 90 Days or More
Summary of past due and non-accrual loans
Past Due	$ 13	$ 13