Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 121,850	$ 91,697	$ 106,675	$ 44,077
Restricted cash	6,416	6,415
AFS Fair Value	109,936	85,106
Assets, Fair Value Disclosure	110,355	85,597
Federal Home Loan Bank Stock	3,368	2,168
Held-to-maturity Securities	9,565	11,081
Loans and Leases Receivable, Net Reported Amount	349,971	393,037
Loans Held-for-sale, Fair Value Disclosure	18,991	29,626
Accrued interest receivable	2,359	2,256
Deposits	501,649	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	121,850	91,697
Restricted cash	6,416	6,415
AFS Fair Value	109,936	85,106
Federal Home Loan Bank Stock	3,368	2,168
Held-to-maturity Securities	10,191	11,774
Loans and Leases Receivable, Net Reported Amount	357,012	398,258
Loans Held-for-sale, Fair Value Disclosure	18,991	29,626
Accrued interest receivable	2,359	2,256
Servicing Asset at Fair Value, Amount	419	491
Deposits	495,952	524,535
Federal Home Loan Bank Borrowings, Fair Value Disclosure	55,895	26,331
Subordinated Debt Obligations, Fair Value Disclosure	18,897	18,886
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, at Carrying Value	121,850	91,697
Restricted cash		6,416
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	349,971	393,037
Loans Held-for-sale, Fair Value Disclosure		29,626
Accrued interest receivable		2,256
Servicing Asset at Fair Value, Amount	419	491
Deposits	501,649	532,597
Federal Home Loan Bank Borrowings, Fair Value Disclosure	55,000	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	121,850	91,697
Restricted cash	6,416	6,415
AFS Fair Value	2,802	3,361
Assets, Fair Value Disclosure	2,802	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	289,613	305,196
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	107,084	81,693
Assets, Fair Value Disclosure	107,084	81,693
Federal Home Loan Bank Stock		2,168
Held-to-maturity Securities	10,191	11,774
Loans and Leases Receivable, Net Reported Amount	0	0
Loans Held-for-sale, Fair Value Disclosure	18,991	29,626
Accrued interest receivable	2,359	2,256
Servicing Asset at Fair Value, Amount	0	0
Deposits	206,339	219,339
Federal Home Loan Bank Borrowings, Fair Value Disclosure		26,331
Subordinated Debt Obligations, Fair Value Disclosure		18,886
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	50	52
Assets, Fair Value Disclosure	469	543
Federal Home Loan Bank Stock	0	0
Held-to-maturity Securities	0	0
Loans and Leases Receivable, Net Reported Amount	357,012	398,258
Loans Held-for-sale, Fair Value Disclosure	0	0
Accrued interest receivable	0	0
Servicing Asset at Fair Value, Amount		491
Deposits	0	0
Federal Home Loan Bank Borrowings, Fair Value Disclosure	0	0
Subordinated Debt Obligations, Fair Value Disclosure	$ 0	$ 0