LOANS - Composition of loans receivable by delinquency status (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current
Residential 1-4 family	$ 342,881	$ 314,798
Residential 5+ multifamily	35,648	18,108
Construction of residential 1-4 family	12,041	11,197
Home equity lines of credit	33,806	33,219
Residential real estate	424,376	377,322
Commercial	281,053	244,869
Construction of commercial	8,835	9,730
Commercial real estate	289,888	254,599
Farm land	4,185	4,032
Vacant land	8,280	7,883
Real estate secured	726,729	643,836
Commercial and industrial	162,507	131,991
Municipal	14,344	17,494
Consumer	4,504	4,752
Loans receivable, gross	908,084	798,073
Past due 30-59 days
Residential 1-4 family	1,100	1,410
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit	235	75
Residential real estate	1,335	1,485
Commercial	264	1,888
Construction of commercial
Commercial real estate	264	1,888
Farm land		242
Vacant land	42
Real estate secured	1,641	3,615
Commercial and industrial		131
Municipal
Consumer	2	34
Loans receivable, gross	1,643	3,780
Past due 60-89 days
Residential 1-4 family	521	165
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit	33	477
Residential real estate	554	642
Commercial	240	758
Construction of commercial
Commercial real estate	240	758
Farm land
Vacant land
Real estate secured	794	1,400
Commercial and industrial	38	218
Municipal
Consumer	6	8
Loans receivable, gross	838	1,626
Past due 90-179 days
Residential 1-4 family		156
Residential 5+ multifamily	633
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate	633	156
Commercial	833
Construction of commercial	141
Commercial real estate	974
Farm land
Vacant land
Real estate secured	1,607	156
Commercial and industrial		391
Municipal
Consumer
Loans receivable, gross	1,607	547
Past due 180 days and over
Residential 1-4 family	1,360	1,110
Residential 5+ multifamily	229
Construction of residential 1-4 family
Home equity lines of credit	359
Residential real estate	1,948	1,110
Commercial	1,209	1,796
Construction of commercial		258
Commercial real estate	1,209	2,054
Farm land
Vacant land
Real estate secured	3,157	3,164
Commercial and industrial	360
Municipal
Consumer
Loans receivable, gross	3,517	3,164
Past due 30 days and over
Residential 1-4 family	2,981	2,841
Residential 5+ multifamily	862
Construction of residential 1-4 family
Home equity lines of credit	627	552
Residential real estate	4,470	3,393
Commercial	2,546	4,442
Construction of commercial	141	258
Commercial real estate	2,687	4,700
Farm land		242
Vacant land	42
Real estate secured	7,199	8,335
Commercial and industrial	398	740
Municipal
Consumer	8	42
Loans receivable, gross	7,605	9,117
Past due Accruing 90 days and over
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate
Commercial	654
Construction of commercial	141
Commercial real estate	795
Farm land
Vacant land
Real estate secured	795
Commercial and industrial		31
Municipal
Consumer
Loans receivable, gross	795	31
Non-accrual
Residential 1-4 family	2,092	2,045
Residential 5+ multifamily	1,000	151
Construction of residential 1-4 family
Home equity lines of credit	411	66
Residential real estate	3,503	2,262
Commercial	1,388	3,364
Construction of commercial	252	258
Commercial real estate	1,640	3,622
Farm land	216	250
Vacant land
Real estate secured	5,359	6,134
Commercial and industrial	360	470
Municipal
Consumer
Loans receivable, gross	$ 5,719	$ 6,604

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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 of investment in certain other real estate investments not specifically identified elsewhere in the existing taxonomy.

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

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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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The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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