Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Mar. 31, 2013	Dec. 30, 2010	Sep. 30, 2013 Fair Value, Inputs, Level 1 [Member]	Mar. 31, 2013 Fair Value, Inputs, Level 1 [Member]	Mar. 31, 2012 Fair Value, Inputs, Level 1 [Member]	Sep. 30, 2013 Fair Value, Inputs, Level 2 [Member]	Mar. 31, 2013 Fair Value, Inputs, Level 2 [Member]	Mar. 31, 2012 Fair Value, Inputs, Level 2 [Member]	Sep. 30, 2013 Fair Value, Inputs, Level 3 [Member]	Mar. 31, 2013 Fair Value, Inputs, Level 3 [Member]	Mar. 31, 2012 Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2013 Carrying (Reported) Amount, Fair Value Disclosure [Member]	Mar. 31, 2012 Carrying (Reported) Amount, Fair Value Disclosure [Member]	Sep. 30, 2013 Estimate of Fair Value, Fair Value Disclosure [Member]	Mar. 31, 2012 Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash			$ 6,700	$ 105,842		$ 104,646							$ 105,842	$ 104,646	$ 105,842	$ 104,646
Restricted cash	6,556	10,666					6,556		10,666				6,556	10,666	6,556	10,666
Available-for-sale, at fair value	87,222	116,051		0	0		87,173	116,000	116,000	49	51	51	87,222	116,051	87,222	116,051
Federal Home Loan Bank Stock	4,226	3,503					4,226		3,503					3,503	4,226	3,503
Held-to-maturity Securities	12,419	9,043					12,542		9,629				12,419	9,043	12,542	9,629
Loans and Leases Receivable, Net Reported Amount	389,642	359,133					0		0	391,446		366,433	389,642	359,133	391,446	366,433
Loans Held-for-sale, Fair Value Disclosure	7,854	13,107		0	0		7,854	13,107	13,107	0	0		7,854	13,107	7,854	13,107
Accrued interest receivable	2,530	2,247					2,530		2,247				2,530	2,247	2,530	2,247
Servicing Asset at Fair Value, Amount							0		0	276		275	276	275	276	275
Deposits	479,458	495,716		278,599		287,625	188,165		200,698				479,458	495,716	466,764	488,323
Federal Home Loan Bank Borrowings, Fair Value Disclosure							78,542		58,697				77,000	58,000	78,542	58,697
Subordinated Debt Obligations, Fair Value Disclosure							$ 18,908		$ 18,900				$ 18,403	$ 18,403	$ 18,908	$ 18,900

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of subordinated debt obligations (also known as subordinated loan, subordinated bond, subordinated debenture or junior debt) which has a priority ranking after other debts in a dissolution, measured at fair value.

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Carrying amount as of the balance sheet date of current interest earned but not received. Also called accrued interest or accrued interest receivable. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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Fair value as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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