Loan and Lease Losses Text Figures (Details)	12 Months Ended
	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)	Mar. 31, 2013 USD ($)
Financing Receivable, Modifications [Line Items]
Modified Loan Subsequently Defaulted	$ 0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,691,000	$ 1,591,000
Financing Receivable, Modifications, Number of Contracts	4	3
FNMA & 3rd party loans excluded from financial statements	$ 30,600,000	$ 33,600,000	$ 37,400,000
Loans Pledged as Collateral	58,400,000
Financing Receivable, Individually Evaluated for Impairment	16,512,000	22,502,000	31,022,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	556,000	1,631,000	2,311,000
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	$ 600,000	700,000	$ 3,200,000
Number of loans past due 90 days or more still accruing	0
Decrease in non-accrual loans	$ (4,200,000)
Percentage decrease in non-accrual loans	(33.20%)
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 8,395,000	12,559,000
Financing Receivable, Modifications, Recorded Investment	8,200,000	9,200,000
Impaired and non performing TDR loans	4,000,000	3,000,000
Other non-performing asset	6,900,000
Other Real Estate, Foreclosed Assets, and Repossessed Assets	$ 4,341,000	$ 1,369,000
Number of Real Estate Properties	10	8
Loans held-for-sale (HFS)	$ 2,576,000	$ 5,011,000
Number of TDR loans on accrual status	12	14
TDR Loans on Accrual Status	$ 4,600,000	$ 6,300,000
number of loans to related parties	1	0
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 860,000	$ 0
Financing Receivable, Modifications, Number of Contracts	1	0
Financing Receivable, Individually Evaluated for Impairment	$ 2,621,000	$ 8,784,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	76,000	255,000
Financing Receivable, Recorded Investment, Nonaccrual Status	2,817,000	7,024,000
One- to four family loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 43,000	$ 747,000
Financing Receivable, Modifications, Number of Contracts	1	2
Financing Receivable, Individually Evaluated for Impairment	$ 7,047,000	$ 6,472,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	287,000	520,000
Financing Receivable, Recorded Investment, Nonaccrual Status	3,664,000	2,301,000
Commercial Loan [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 788,000	$ 844,000
Financing Receivable, Modifications, Number of Contracts	2	1
Financing Receivable, Individually Evaluated for Impairment	$ 5,356,000	$ 5,005,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	12,000	764,000
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 861,000	$ 993,000