LOANS - Composition of loans receivable and allowance for loan losses (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Totals	$ 927,413	$ 909,279
Collectively evaluated Loans
Residential 1-4 family	340,847	340,946
Residential 5+ multifamily	34,478	34,835
Construction of residential 1-4 family	11,889	12,041
Home equity lines credit	33,693	33,975
Residential real estate	420,907	421,797
Commercial	285,462	279,389
Construction of commercial	8,466	8,622
Commercial real estate	293,928	288,011
Farm land	3,455	3,969
Vacant land	7,713	8,132
Real estate secured	726,003	721,909
Commercial and industrial	169,285	162,404
Municipal	21,914	14,344
Consumer	6,349	4,512
Unallocated allowance
Totals	923,551	903,169
Collectively evaluated Allowance
Residential 1-4 family	2,117	2,042
Residential 5+ multifamily	446	413
Construction of residential 1-4 family	75	83
Home equity lines credit	197	213
Residential real estate	2,835	2,751
Commercial	3,333	2,907
Construction of commercial	104	106
Commercial real estate	3,437	3,013
Farm land	47	33
Vacant land	66	98
Real estate secured	6,385	5,895
Commercial and industrial	1,143	1,158
Municipal	46	12
Consumer	59	56
Unallocated allowance	569	438
Totals	8,202	7,559
Individually evaluated Loans
Residential 1-4 family	5,452	4,916
Residential 5+ multifamily	977	1,675
Construction of residential 1-4 family
Home equity lines credit	105	458
Residential real estate	6,534	7,049
Commercial	4,333	4,210
Construction of commercial		354
Commercial real estate	4,333	4,564
Farm land	186	216
Vacant land	180	190
Real estate secured	11,233	12,019
Commercial and industrial	126	501
Municipal
Consumer	36
Unallocated allowance
Totals	11,395	12,520
Individually evaluated Allowance
Residential 1-4 family	276	107
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines credit		6
Residential real estate	276	113
Commercial	409	141
Construction of commercial		16
Commercial real estate	409	157
Farm land
Vacant land	5	2
Real estate secured	690	272
Commercial and industrial	2
Municipal
Consumer	1
Unallocated allowance
Totals	693	272
Total portfolio Loans
Residential 1-4 family	346,299	345,862
Residential 5+ multifamily	35,455	36,510
Construction of residential 1-4 family	11,889	12,041
Home equity lines credit	33,798	34,433
Residential real estate	427,441	428,846
Commercial	289,795	283,599
Construction of commercial	8,466	8,976
Commercial real estate	298,261	292,575
Farm land	3,641	4,185
Vacant land	7,893	8,322
Real estate secured	737,236	733,928
Commercial and industrial	169,411	162,905
Municipal	21,914	14,344
Consumer	6,385	4,512
Unallocated allowance
Totals	934,946	915,689
Total portfolio Allowance
Residential 1-4 family	2,393	2,149
Residential 5+ multifamily	446	413
Construction of residential 1-4 family	75	83
Home equity lines credit	197	219
Residential real estate	3,111	2,864
Commercial	3,742	3,048
Construction of commercial	104	122
Commercial real estate	3,846	3,170
Farm land	47	33
Vacant land	71	100
Real estate secured	7,075	6,167
Commercial and industrial	1,145	1,158
Municipal	46	12
Consumer	60	56
Unallocated allowance	569	438
Totals	$ 8,895	$ 7,831

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The fair value as of the balance sheet date of firm holdings in fixed income obligations issued by state and local governments and authorities. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

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Total of (1) improvements, (2) held-for-sale, (3) land and land under development, (4) construction-in-process, (5) mortgage loans held-in-inventory, and (6) other real estate investments which are considered inventory due to being held for sale or disposition.

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Cost of real estate projects incurred for projects for eventual sale or transfer (condominium or time share projects, vacation clubs).

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Represents mortgage loans held in inventory primarily for sale to others (third parties, businesses, legal entities) in the ordinary course of business.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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