LOANS - Composition of loans receivable by delinquency status (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Business Activities Loans - Current
Residential 1-4 family	$ 291,941	$ 255,933
Residential 5+ multifamily	7,976	6,254
Construction of residential 1-4 family	10,951	7,998
Home equity lines of credit	35,190	34,107
Residential real estate	346,058	304,292
Commercial	152,905	128,058
Construction of commercial	3,481	6,525
Commercial real estate	156,386	134,583
Farm land	2,402	2,470
Vacant land	6,575	5,734
Real estate secured	511,421	447,079
Commercial and industrial	120,719	74,604
Municipal	8,626	9,566
Consumer	5,268	6,157
Loans receivable, gross	646,034	537,406
Business Activities Loans - Past due 30-59 days
Residential 1-4 family	1,161	1,931
Residential 5+ multifamily		68
Construction of residential 1-4 family
Home equity lines of credit	155	306
Residential real estate	1,316	2,305
Commercial	451	474
Construction of commercial
Commercial real estate	451	474
Farm land	789
Vacant land	25	6
Real estate secured	2,581	2,785
Commercial and industrial	140	35
Municipal
Consumer	26	21
Loans receivable, gross	2,747	2,841
Business Activities Loans - Past due 60-89 days
Residential 1-4 family	213	683
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit	88	101
Residential real estate	301	784
Commercial	250
Construction of commercial
Commercial real estate	250
Farm land
Vacant land
Real estate secured	551	784
Commercial and industrial	239
Municipal
Consumer	15	17
Loans receivable, gross	805	801
Business Activities Loans - Past due 90-179 days
Residential 1-4 family	327	973
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit		113
Residential real estate	327	1,086
Commercial	1,793	233
Construction of commercial
Commercial real estate	1,793	233
Farm land
Vacant land
Real estate secured	2,120	1,319
Commercial and industrial	46
Municipal
Consumer	3
Loans receivable, gross	2,169	1,319
Business Activities Loans - Past due 180 days and over
Residential 1-4 family	1,388	1,975
Residential 5+ multifamily		89
Construction of residential 1-4 family
Home equity lines of credit	54	390
Residential real estate	1,442	2,454
Commercial	229	681
Construction of commercial
Commercial real estate	229	681
Farm land	723	723
Vacant land		2,823
Real estate secured	2,394	6,681
Commercial and industrial		18
Municipal
Consumer
Loans receivable, gross	2,394	6,699
Business Activities Loans - Past due 30 days and over
Residential 1-4 family	3,089	5,562
Residential 5+ multifamily		157
Construction of residential 1-4 family
Home equity lines of credit	297	910
Residential real estate	3,386	6,629
Commercial	2,723	1,388
Construction of commercial
Commercial real estate	2,723	1,388
Farm land	1,512	723
Vacant land	25	2,829
Real estate secured	7,646	11,569
Commercial and industrial	425	53
Municipal
Consumer	44
Loans receivable, gross	8,115	11,660
Business Activities Loans - Accruing 90 days and over
Residential 1-4 family	236
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate	236
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured	236
Commercial and industrial	20
Municipal
Consumer
Loans receivable, gross	256
Business Activities Loans - Non-accrual
Residential 1-4 family	1,920	5,671
Residential 5+ multifamily	163	89
Construction of residential 1-4 family
Home equity lines of credit	519	601
Residential real estate	2,602	6,361
Commercial	2,022	2,349
Construction of commercial
Commercial real estate	2,022	2,349
Farm land	1,002	1,031
Vacant land		2,855
Real estate secured	5,626	12,596
Commercial and industrial	27	461
Municipal
Consumer	4	80
Loans receivable, gross	5,657	13,137
Acquired Loans - Current
Residential 1-4 family	5,954	6,823
Residential 5+ multifamily	5,649	6,136
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate	11,603	12,959
Commercial	76,471	85,988
Construction of commercial	1,659	4,612
Commercial real estate	78,130	90,600
Farm land
Vacant land
Real estate secured	89,733	103,559
Commercial and industrial	19,904	46,599
Municipal
Consumer	68	77
Loans receivable, gross	109,705	150,235
Acquired Loans - Past due 30-59 days
Residential 1-4 family	144
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate	144
Commercial	762	916
Construction of commercial
Commercial real estate	762	916
Farm land
Vacant land
Real estate secured	906	916
Commercial and industrial	425	83
Municipal
Consumer
Loans receivable, gross	1,331	999
Acquired Loans - Past due 60-89 days
Residential 1-4 family		110
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate		110
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured		110
Commercial and industrial		82
Municipal
Consumer
Loans receivable, gross		192
Acquired Loans - Past due 90-179 days
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate
Commercial	346
Construction of commercial
Commercial real estate	346
Farm land
Vacant land
Real estate secured	346
Commercial and industrial
Municipal
Consumer
Loans receivable, gross	346
Acquired Loans - Past due 180 days and over
Residential 1-4 family		866
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate		866
Commercial	2,275	1,925
Construction of commercial	258	262
Commercial real estate	2,533	2,187
Farm land
Vacant land
Real estate secured	2,533	3,053
Commercial and industrial
Municipal
Consumer
Loans receivable, gross	2,533	3,053
Acquired Loans - Past due 30 days and over
Residential 1-4 family	144	976
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate	144	976
Commercial	3,383	2,841
Construction of commercial	258	262
Commercial real estate	3,641	3,103
Farm land
Vacant land
Real estate secured	3,785	4,079
Commercial and industrial	425	165
Municipal
Consumer
Loans receivable, gross	4,210	4,244
Acquired Loans - Accruing 90 days and over
Residential 1-4 family		90
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate		90
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured		90
Commercial and industrial
Municipal
Consumer
Loans receivable, gross		90
Acquired Loans - Non-accrual
Residential 1-4 family		766
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate		766
Commercial	2,621	2,000
Construction of commercial	258	262
Commercial real estate	2,879	2,262
Farm land
Vacant land
Real estate secured	2,879	3,038
Commercial and industrial
Municipal
Consumer
Loans receivable, gross	$ 2,879	$ 3,038

Reflects the aggregate value of loans, trade receivables, securities and financial instruments that serve as collateral for obligations arising from a transfer of financial assets recorded as a secured borrowing.

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Amount before allowance of loans issued to build, improve or remodel a residential home. 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 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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Reflects the aggregate gross carrying amount of all commercial loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on commercial loans and leases.

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Amount before allowance of commercial loans to develop land for sale or construction thereon. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

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