Loans and Allowance - Breakdown of loans (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivables, gross	$ 316,806	$ 320,738
Allowance for loan losses	(4,196)	(4,510)
Net loans	312,610	316,228
Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivables, gross	318,375	326,026
Unamortized deferred loan costs	494	487
Undisbursed loans in process	(2,063)	(5,775)
Allowance for loan losses	(4,196)	(4,510)	(3,884)	(3,564)
Net loans	312,610	316,228
Loans Receivable | Construction/Land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivables, gross	25,978	24,307
Allowance for loan losses	(694)	(676)	(757)	(648)
Loans Receivable | One-to-four family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivables, gross	136,098	137,298
Allowance for loan losses	(1,524)	(1,749)	(1,534)	(1,423)
Loans Receivable | Multi-family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivables, gross	18,107	16,408
Allowance for loan losses	(414)	(404)	(278)	(281)
Loans Receivable | Nonresidential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivables, gross	112,067	118,946
Allowance for loan losses	(1,378)	(1,470)	(1,179)	(1,078)
Loans Receivable | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivables, gross	22,458	24,741
Allowance for loan losses	(176)	(189)	(135)	(133)
Loans Receivable | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivables, gross	3,667	4,326
Allowance for loan losses	$ (10)	$ (22)	$ (1)	$ (1)