LOANS AND SERVICING - Internal Credit Assessment (Details) $ in Thousands	Dec. 31, 2015 USD ($) grade	Dec. 31, 2014 USD ($)
Loans by risk rating
Loans receivable	$ 256,014	$ 233,143
Internal Loan Rating System
Number of grades in internal loan rating system | grade	9
Not formally rated
Loans by risk rating
Loans receivable	$ 103,198	99,097
Pass
Loans by risk rating
Loans receivable	$ 150,128	132,156
Pass | Minimum
Internal Loan Rating System
Grade assigned in internal loan rating system | grade	1
Pass | Maximum
Internal Loan Rating System
Grade assigned in internal loan rating system | grade	5
Special mention
Loans by risk rating
Loans receivable	$ 826
Internal Loan Rating System
Grade assigned in internal loan rating system | grade	6
Substandard
Loans by risk rating
Loans receivable	$ 1,862	1,890
Internal Loan Rating System
Grade assigned in internal loan rating system | grade	7
Doubtful
Internal Loan Rating System
Grade assigned in internal loan rating system | grade	8
Loss
Internal Loan Rating System
Grade assigned in internal loan rating system | grade	9
Residential loans:
Loans by risk rating
Loans receivable	$ 104,735	100,698
One- to four- family, residential loans
Loans by risk rating
Loans receivable	86,472	84,199
One- to four- family, residential loans | Not formally rated
Loans by risk rating
Loans receivable	84,778	82,311
One- to four- family, residential loans | Substandard
Loans by risk rating
Loans receivable	1,694	1,888
Home equity loans and lines of credit
Loans by risk rating
Loans receivable	18,263	16,499
Home equity loans and lines of credit | Not formally rated
Loans by risk rating
Loans receivable	18,183	16,499
Home equity loans and lines of credit | Substandard
Loans by risk rating
Loans receivable	80
Commercial loans:
Loans by risk rating
Loans receivable	130,664	103,430
One-to-four family investment property
Loans by risk rating
Loans receivable	15,255	8,345
One-to-four family investment property | Pass
Loans by risk rating
Loans receivable	15,167	8,345
One-to-four family investment property | Substandard
Loans by risk rating
Loans receivable	88
Multi-family real estate
Loans by risk rating
Loans receivable	30,709	15,020
Multi-family real estate | Pass
Loans by risk rating
Loans receivable	30,709	15,020
Commercial real estate
Loans by risk rating
Loans receivable	67,152	62,227
Commercial real estate | Pass
Loans by risk rating
Loans receivable	66,420	62,227
Commercial real estate | Special mention
Loans by risk rating
Loans receivable	732
Commercial business loan
Loans by risk rating
Loans receivable	17,548	17,838
Commercial business loan | Pass
Loans by risk rating
Loans receivable	17,454	17,838
Commercial business loan | Special mention
Loans by risk rating
Loans receivable	94
Construction loans:
Loans by risk rating
Loans receivable	20,378	28,726
One-to-four family, construction loans
Loans by risk rating
Loans receivable	12,967	13,056
One-to-four family, construction loans | Pass
Loans by risk rating
Loans receivable	12,967	13,056
Multi-family
Loans by risk rating
Loans receivable	1,486	10,842
Multi-family | Pass
Loans by risk rating
Loans receivable	1,486	10,842
Non-residential
Loans by risk rating
Loans receivable	5,925	4,828
Non-residential | Pass
Loans by risk rating
Loans receivable	5,925	4,828
Consumer
Loans by risk rating
Loans receivable	237	289
Consumer | Not formally rated
Loans by risk rating
Loans receivable	$ 237	287
Consumer | Substandard
Loans by risk rating
Loans receivable		$ 2