Loans - Summary of Loans Classified by Risk Category (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	$ 59,169	$ 61,650
Automobile [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	1,241	1,401
Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	208	213
One-To-Four-Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	30,799	31,430
Multi-Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	9,717	9,834
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	9,580	10,324
Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	416	260
Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	6,511	7,360
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	696	826
Other Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	1	2
Pass [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	57,937	60,355
Pass [Member] | Automobile [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	1,241	1,401
Pass [Member] | Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	208	213
Pass [Member] | One-To-Four-Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	29,988	30,583
Pass [Member] | Multi-Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	9,373	9,481
Pass [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	9,580	10,324
Pass [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	416	260
Pass [Member] | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	6,511	7,360
Pass [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	619	731
Pass [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	1	2
Substandard [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	1,232	1,295
Substandard [Member] | One-To-Four-Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	811	847
Substandard [Member] | Multi-Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	344	353
Substandard [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Gross Loans	$ 77	$ 95