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LOANS - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
LOANS
Past Due 90+ Days and Accruing	$ 1,975	$ 1,207
Nonaccrual	21,416	9,218
Residential mortgage
LOANS
Past Due 90+ Days and Accruing	1,123	1,002
Nonaccrual	7,064	5,078
Residential mortgage | Real estate loan | first liens
LOANS
Past Due 90+ Days and Accruing	838	878
Nonaccrual	6,387	4,679
Residential mortgage | Real estate loan | junior liens
LOANS
Past Due 90+ Days and Accruing	52	53
Nonaccrual	378	326
Residential mortgage | Home equity lines of credit
LOANS
Past Due 90+ Days and Accruing	233	71
Nonaccrual	299	73
Commercial
LOANS
Past Due 90+ Days and Accruing	796	165
Nonaccrual	14,267	4,124
Commercial | Real estate loan
LOANS
Past Due 90+ Days and Accruing	395	107
Nonaccrual	11,550	1,148
Commercial | Construction Loans
LOANS
Past Due 90+ Days and Accruing	0	0
Nonaccrual	49	1,311
Commercial | Commercial and industrial
LOANS
Past Due 90+ Days and Accruing	142	15
Nonaccrual	970	1,051
Commercial | Loans secured by farm land
LOANS
Past Due 90+ Days and Accruing	188	43
Nonaccrual	84	565
Commercial | Multi-family (5 or more) residential
LOANS
Past Due 90+ Days and Accruing	0	0
Nonaccrual	1,614	0
Commercial | Other commercial loans
LOANS
Past Due 90+ Days and Accruing	71	0
Nonaccrual	0	49
Consumer
LOANS
Past Due 90+ Days and Accruing	56	40
Nonaccrual	$ 85	$ 16

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