Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Mar. 31, 2012	Sep. 30, 2011	Mar. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 92,077	$ 91,697	$ 70,017	$ 44,077
Restricted cash	6,415	6,415
AFS Fair Value	114,462	85,106
Assets, Fair Value Disclosure	114,927	85,597
Federal Home Loan Bank Stock	3,008	2,168
Held-to-maturity Securities	10,038	11,081
Loans and Leases Receivable, Net Reported Amount	363,542	393,037
Loans Held-for-sale, Fair Value Disclosure	26,830	29,626
Accrued interest receivable	2,438	2,256
Deposits	506,376	532,597
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	92,077	91,697
Restricted cash	6,415	6,415
AFS Fair Value	114,462	85,106
Federal Home Loan Bank Stock	3,008	2,168
Held-to-maturity Securities	10,737	11,774
Loans and Leases Receivable, Net Reported Amount	367,166	398,258
Loans Held-for-sale, Fair Value Disclosure	26,830	29,626
Accrued interest receivable	2,438	2,256
Servicing Asset at Fair Value, Amount	465	491
Deposits	501,370
Federal Home Loan Bank Borrowings, Fair Value Disclosure	48,063
Subordinated Debt Obligations, Fair Value Disclosure	18,893
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, at Carrying Value	92,077	91,697
Restricted cash		6,415
AFS Fair Value		85,106
Federal Home Loan Bank Stock		2,168
Held-to-maturity Securities		11,081
Loans and Leases Receivable, Net Reported Amount		393,037
Loans Held-for-sale, Fair Value Disclosure		29,626
Accrued interest receivable		2,256
Servicing Asset at Fair Value, Amount	465	491
Deposits		532,597
Federal Home Loan Bank Borrowings, Fair Value Disclosure	47,011	25,026
Subordinated Debt Obligations, Fair Value Disclosure	18,403	18,403
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	92,077	91,697
Restricted cash	6,415	6,415
AFS Fair Value	3,105	3,361
Assets, Fair Value Disclosure	3,105	3,361
Federal Home Loan Bank Stock	0	0
Held-to-maturity Securities	0	0
Loans and Leases Receivable, Net Reported Amount	0	0
Loans Held-for-sale, Fair Value Disclosure	0	0
Accrued interest receivable	0	0
Servicing Asset at Fair Value, Amount	0	0
Deposits	286,808	0
Federal Home Loan Bank Borrowings, Fair Value Disclosure	0	0
Subordinated Debt Obligations, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Restricted cash	0	0
AFS Fair Value	111,306	81,693
Assets, Fair Value Disclosure	111,306	81,693
Federal Home Loan Bank Stock		2,168
Held-to-maturity Securities	10,737	11,774
Loans and Leases Receivable, Net Reported Amount	0	398,258
Loans Held-for-sale, Fair Value Disclosure		29,626
Accrued interest receivable	2,438	2,256
Servicing Asset at Fair Value, Amount	0	0
Deposits	214,562	305,196
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Restricted cash	0	0
AFS Fair Value	51	52
Assets, Fair Value Disclosure	516	543
Federal Home Loan Bank Stock	0	0
Held-to-maturity Securities	0	0
Loans and Leases Receivable, Net Reported Amount	11,956	0
Loans Held-for-sale, Fair Value Disclosure	0	0
Accrued interest receivable	0	0
Deposits	0	219,339
Federal Home Loan Bank Borrowings, Fair Value Disclosure	0	0
Subordinated Debt Obligations, Fair Value Disclosure	$ 0	$ 0