Loan Receivable and Allowance for Loan and Lease Losses Credit Risk Profile Internal Grade (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Mar. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	$ 390,886	$ 389,956
Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	45,521	47,525
Multifamily Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	44,027	46,028
Multifamily Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	0	0
Multifamily Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	1,494	1,497
Multifamily Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	0	0
Multifamily Loans [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	0	0
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	194,897	198,101
Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	187,418	184,850
Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	2,744	7,129
Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	4,735	6,122
Commercial Real Estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	0	0
Commercial Real Estate [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	0	0
Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	5,072	5,070
Construction Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	5,072	5,070
Construction Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	0	0
Construction Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	0	0
Construction Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	0	0
Construction Loans [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	0	0
Business [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	35,481	26,931
Business [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	30,033	20,638
Business [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	138	1,295
Business [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	5,310	4,998
Business [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	0	0
Business [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	0	0
One- to four family loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	109,572	112,191
One- to four family loans [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	106,921	109,890
One- to four family loans [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	2,651	2,301
Consumer Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	343	138
Consumer Loan [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	338	137
Consumer Loan [Member] | Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Net	$ 5	$ 1