LOANS - Composition of loans receivable and allowance for loan losses (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Totals	$ 915,083	$ 909,279
Collectively evaluated Loans
Residential 1-4 family	330,146	340,946
Residential 5+ multifamily	37,108	34,835
Construction of residential 1-4 family	13,206	12,041
Home equity lines credit	33,609	33,975
Residential real estate	414,069	421,797
Commercial	280,218	279,389
Construction of commercial	12,053	8,622
Commercial real estate	292,271	288,011
Farm land	3,487	3,969
Vacant land	7,929	8,132
Real estate secured	717,756	721,909
Commercial and industrial	163,948	162,404
Municipal	22,260	14,344
Consumer	6,252	4,512
Unallocated allowance
Totals	910,216	903,169
Collectively evaluated Allowance
Residential 1-4 family	1,964	2,042
Residential 5+ multifamily	490	413
Construction of residential 1-4 family	83	83
Home equity lines credit	213	213
Residential real estate	2,750	2,751
Commercial	3,366	2,907
Construction of commercial	150	106
Commercial real estate	3,516	3,013
Farm land	47	33
Vacant land	73	98
Real estate secured	6,386	5,895
Commercial and industrial	1,167	1,158
Municipal	47	12
Consumer	52	56
Unallocated allowance	694	438
Totals	8,346	7,559
Individually evaluated Loans
Residential 1-4 family	6,329	4,916
Residential 5+ multifamily	982	1,675
Construction of residential 1-4 family
Home equity lines credit	463	458
Residential real estate	7,774	7,049
Commercial	4,031	4,210
Construction of commercial		354
Commercial real estate	4,031	4,564
Farm land	199	216
Vacant land	182	190
Real estate secured	12,186	12,019
Commercial and industrial	130	501
Municipal
Consumer	38
Unallocated allowance
Totals	12,354	12,520
Individually evaluated Allowance
Residential 1-4 family	255	107
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines credit		6
Residential real estate	255	113
Commercial	242	141
Construction of commercial		16
Commercial real estate	242	157
Farm land
Vacant land	2	2
Real estate secured	499	272
Commercial and industrial
Municipal
Consumer	1
Unallocated allowance
Totals	500	272
Total portfolio Loans
Residential 1-4 family	336,475	345,862
Residential 5+ multifamily	38,090	36,510
Construction of residential 1-4 family	13,206	12,041
Home equity lines credit	34,072	34,433
Residential real estate	421,843	428,846
Commercial	284,249	283,599
Construction of commercial	12,053	8,976
Commercial real estate	296,302	292,575
Farm land	3,686	4,185
Vacant land	8,111	8,322
Real estate secured	729,942	733,928
Commercial and industrial	164,078	162,905
Municipal	22,260	14,344
Consumer	6,290	4,512
Unallocated allowance
Totals	922,570	915,689
Total portfolio Allowance
Residential 1-4 family	2,219	2,149
Residential 5+ multifamily	490	413
Construction of residential 1-4 family	83	83
Home equity lines credit	213	219
Residential real estate	3,005	2,864
Commercial	3,608	3,048
Construction of commercial	150	122
Commercial real estate	3,758	3,170
Farm land	47	33
Vacant land	75	100
Real estate secured	6,885	6,167
Commercial and industrial	1,167	1,158
Municipal	47	12
Consumer	53	56
Unallocated allowance	694	438
Totals	$ 8,846	$ 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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Carrying amount as of the balance sheet date, net of valuation allowances and impairment losses, of costs of land expected to be developed in the near term plus capitalized costs of development, for purposes of selling completed units to home buyers or commercial or industrial entities..

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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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