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Loan Receivable and Allowance for Loan and Lease Losses Text Figures (Details) (USD $) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Sep. 30, 2012 | Sep. 30, 2012 | Sep. 30, 2011 | Mar. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Financing Receivable, Recorded Investment, Current | $ 2,708,000 |  | $ 2,708,000 |  |  |  |
Loans and Leases Receivable, Impaired, Nonperforming, Nonaccrual of Interest | 34,953,000 |  | 34,953,000 |  |  | 54,588,000 |
Loans moved to Held for Sale | 9 |  | 9 |  |  |  |
Loans Receivable Held-for-sale, Reconciliation to Cash Flow, Additions to Held-for-sale |  |  | 7,200,000 |  |  |  |
Amount of TDR loans upgraded to performing | 6 |  | 6 |  |  |  |
TDR loan upgraded to performing | 1,800,000 |  | 1,800,000 |  |  |  |
Number of paid off non performing construction loans | 1 |  | 1 |  |  |  |
paid off non performing construction loans | 5,000,000 |  | 5,000,000 |  |  |  |
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | 9,459,000 |  | 9,459,000 |  |  |  |
Financing Receivable, Modifications, Recorded Investment | 16,900,000 |  | 16,900,000 |  |  | 21,042,000 | [1]
Deductions (Charges) |  |  |  |  | (13,984,000) | 31,464,000 |
impaired loans | 8,562,000 | [2] | 8,562,000 | [2] |  | 2,081,000 | [2]
Impaired Financing Receivable, Related Allowance | 2,281,000 |  | 2,281,000 |  |  | 949,000 |
Transfer of Other Real Estate | 28,900,000 |  |  |  |  |  |
Loan Concession, Rate Redutions |  |  | 1.25% |  | 5.00% |  |
5 Real Estate Foreclosed Propperties | 2,100,000 |  |  |  |  |  |
Modified Loan Subsequently Defaulted |  |  | 2,400,000 |  |  |  |
Loan Loss Allowance for TDRs |  |  | 339,000 |  |  |  |
TDR Loans on Accrual Status |  |  | 5,200,000 |  |  |  |
One- to four family loans [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Financing Receivable, Modifications, Recorded Investment | $ 500,000 |  | $ 500,000 |  | $ 900,000 |  |
[1] | (2) Excludes $3.5 million TDR loans that have performed in accordance with their modified terms for at least six months and are considered performing. These loans are classified as current.
[2] | (1) Consists of loans which are less than 90 days past due but impaired due to other risk characteristics.

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