LOANS - ALLOWANCE FOR LOAN LOSSES AND RECORDED INVESTMENT (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Loans
Accrued interest receivable	$ 2,300		$ 2,400
Allowance for Loan Losses:
Individually Evaluated for Impairment	205		541
Collectively Evaluated for Impairment	7,753		7,000
Total	7,958	$ 7,876	7,541	$ 7,259	$ 7,147	$ 6,521
Loans:
Individually Evaluated for Impairment	3,516		7,994
Collectively Evaluated for Impairment	645,329		646,100
Purchased Credit Impairment	1,812		1,913
Total	650,657		656,007
Commercial
Allowance for Loan Losses:
Collectively Evaluated for Impairment	1,006		789
Total	1,006	871	789	666	508	486
Loans:
Individually Evaluated for Impairment			97
Collectively Evaluated for Impairment	79,468		77,339
Total	79,468		77,436
Real estate construction
Allowance for Loan Losses:
Collectively Evaluated for Impairment	584		564
Total	584	545	564	552	876	411
Loans:
Individually Evaluated for Impairment			153
Collectively Evaluated for Impairment	29,614		29,016
Total	29,614		29,169
1-4 family residential
Allowance for Loan Losses:
Individually Evaluated for Impairment	205		99
Collectively Evaluated for Impairment	2,370		2,202
Total	2,575	2,375	2,301	2,304	2,176	2,081
Loans:
Individually Evaluated for Impairment	631		2,704
Collectively Evaluated for Impairment	245,634		240,906
Purchased Credit Impairment	893		1,028
Total	247,158		244,638
Multi-family residential
Allowance for Loan Losses:
Collectively Evaluated for Impairment	645		581
Total	645	666	581	507	472	458
Loans:
Collectively Evaluated for Impairment	42,158		46,637
Purchased Credit Impairment	583		562
Total	42,741		47,199
Non-farm & non-residential
Allowance for Loan Losses:
Individually Evaluated for Impairment			15
Collectively Evaluated for Impairment	1,322		1,188
Total	1,322	1,311	1,203	1,158	1,181	1,213
Loans:
Individually Evaluated for Impairment	2,596		1,725
Collectively Evaluated for Impairment	170,664		174,154
Purchased Credit Impairment	150		145
Total	173,410		176,024
Agricultural
Allowance for Loan Losses:
Individually Evaluated for Impairment			427
Collectively Evaluated for Impairment	504		429
Total	504	862	856	801	727	678
Loans:
Individually Evaluated for Impairment	289		3,315
Collectively Evaluated for Impairment	59,585		58,998
Purchased Credit Impairment	186		178
Total	60,060		62,491
Consumer
Allowance for Loan Losses:
Collectively Evaluated for Impairment	561		547
Total	561	534	547	550	531	525
Loans:
Collectively Evaluated for Impairment	17,963		18,867
Total	17,963		18,867
Other
Allowance for Loan Losses:
Collectively Evaluated for Impairment	76		60
Total	76	60	60	50	60	60
Loans:
Collectively Evaluated for Impairment	243		183
Total	243		183
Unallocated
Allowance for Loan Losses:
Collectively Evaluated for Impairment	685		640
Total	$ 685	$ 652	$ 640	$ 671	$ 616	$ 609