LOANS - RISK CATEGORY OF LOANS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Credit Quality Indicators
Loans	$ 657,566	$ 656,007
Madison Financial Corp
Credit Quality Indicators
Loans	28,463	33,087
Pass
Credit Quality Indicators
Loans	611,872	607,179
Pass | Madison Financial Corp
Credit Quality Indicators
Loans	25,992	30,359
Special Mention
Credit Quality Indicators
Loans	17,244	17,278
Special Mention | Madison Financial Corp
Credit Quality Indicators
Loans	438	480
Substandard
Credit Quality Indicators
Loans	11,083	12,489
Substandard | Madison Financial Corp
Credit Quality Indicators
Loans	2,033	2,248
Doubtful
Credit Quality Indicators
Loans	12	11
Commercial
Credit Quality Indicators
Loans	76,040	77,436
Commercial | Madison Financial Corp
Credit Quality Indicators
Loans	1,078	1,113
Commercial | Pass
Credit Quality Indicators
Loans	74,976	76,346
Commercial | Special Mention
Credit Quality Indicators
Loans	1,002	1,078
Commercial | Substandard
Credit Quality Indicators
Loans	62	12
Real estate construction
Credit Quality Indicators
Loans	28,257	29,169
Real estate construction | Madison Financial Corp
Credit Quality Indicators
Loans	394	398
Real estate construction | Pass
Credit Quality Indicators
Loans	28,257	28,577
Real estate construction | Substandard
Credit Quality Indicators
Loans		592
1-4 family residential
Credit Quality Indicators
Loans	248,132	244,638
1-4 family residential | Madison Financial Corp
Credit Quality Indicators
Loans	10,618	11,462
1-4 family residential | Pass
Credit Quality Indicators
Loans	237,512	232,969
1-4 family residential | Special Mention
Credit Quality Indicators
Loans	3,752	4,031
1-4 family residential | Substandard
Credit Quality Indicators
Loans	6,856	7,627
1-4 family residential | Doubtful
Credit Quality Indicators
Loans	12	11
Multi-family residential
Credit Quality Indicators
Loans	44,330	47,199
Multi-family residential | Madison Financial Corp
Credit Quality Indicators
Loans	3,463	5,043
Multi-family residential | Pass
Credit Quality Indicators
Loans	40,970	43,681
Multi-family residential | Special Mention
Credit Quality Indicators
Loans	2,600	2,617
Multi-family residential | Substandard
Credit Quality Indicators
Loans	760	901
Non-farm & non-residential
Credit Quality Indicators
Loans	182,417	176,024
Non-farm & non-residential | Madison Financial Corp
Credit Quality Indicators
Loans	11,591	13,024
Non-farm & non-residential | Pass
Credit Quality Indicators
Loans	172,511	167,451
Non-farm & non-residential | Special Mention
Credit Quality Indicators
Loans	8,142	8,185
Non-farm & non-residential | Substandard
Credit Quality Indicators
Loans	1,764	388
Agricultural
Credit Quality Indicators
Loans	61,035	62,491
Agricultural | Madison Financial Corp
Credit Quality Indicators
Loans	1,239	1,940
Agricultural | Pass
Credit Quality Indicators
Loans	57,646	58,155
Agricultural | Special Mention
Credit Quality Indicators
Loans	1,748	1,367
Agricultural | Substandard
Credit Quality Indicators
Loans	1,641	2,969
Consumer
Credit Quality Indicators
Loans	17,239	18,867
Consumer | Madison Financial Corp
Credit Quality Indicators
Loans	80	107
Consumer | Non-performing
Credit Quality Indicators
Loans	$ 21	$ 8
Minimum period past due for loans to be considered as non-performing	90 days