Fair Value Of Financial Instruments: Fair Value, Option, Quantitative Disclosures (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Mar. 31, 2012
Fair Value, Inputs, Level 1 \| Cash
Value of Assets	$ 107,080	$ 46,393
Fair Value, Inputs, Level 1 \| Loans held for sale
Value of Assets	2,551	480
Fair Value, Inputs, Level 2 \| Certificates of Deposit
Value of Assets	44,543	41,767
Fair Value, Inputs, Level 2 \| Available-for-sale Securities
Value of Assets	5,000	5,148
Fair Value, Inputs, Level 2 \| Mortgage-backed securities held to maturity
Value of Assets	132	177
Fair Value, Inputs, Level 2 \| Mortgage-backed securities available for sale
Value of Assets	549	974
Fair Value, Inputs, Level 2 \| Federal Home Loan Bank Borrowings
Value of Assets	7,219	7,350
Fair Value, Inputs, Level 2 \| Demand Deposits
Value of Liabilities	487,970	514,446
Fair Value, Inputs, Level 2 \| Deposits
Value of Liabilities	196,303	231,631
Fair Value, Inputs, Level 2 \| Held-to-maturity Securities
Value of Assets		542
Fair Value, Inputs, Level 3 \| Available-for-sale Securities
Value of Assets	1,204	1,166
Fair Value, Inputs, Level 3 \| Loans Receivable
Value of Assets	506,923	596,552
Fair Value, Inputs, Level 3 \| Subordinated Debt Obligations
Value of Liabilities	8,753	9,831
Estimate of Fair Value, Fair Value Disclosure \| Cash
Value of Assets	107,080	46,393
Estimate of Fair Value, Fair Value Disclosure \| Certificates of Deposit
Value of Assets	44,543	41,767
Estimate of Fair Value, Fair Value Disclosure \| Available-for-sale Securities
Value of Assets	6,204	6,314
Estimate of Fair Value, Fair Value Disclosure \| Mortgage-backed securities held to maturity
Value of Assets	132	177
Estimate of Fair Value, Fair Value Disclosure \| Mortgage-backed securities available for sale
Value of Assets	549	974
Estimate of Fair Value, Fair Value Disclosure \| Loans Receivable
Value of Assets	506,923	596,552
Estimate of Fair Value, Fair Value Disclosure \| Loans held for sale
Value of Assets	2,551	480
Estimate of Fair Value, Fair Value Disclosure \| Federal Home Loan Bank Borrowings
Value of Assets	7,219	7,350
Estimate of Fair Value, Fair Value Disclosure \| Demand Deposits
Value of Liabilities	487,970	514,446
Estimate of Fair Value, Fair Value Disclosure \| Deposits
Value of Liabilities	196,303	231,631
Estimate of Fair Value, Fair Value Disclosure \| Subordinated Debt Obligations
Value of Liabilities	8,753	9,831
Estimate of Fair Value, Fair Value Disclosure \| Held-to-maturity Securities
Value of Assets		542
Carrying (Reported) Amount, Fair Value Disclosure \| Cash
Value of Assets	107,080	46,393
Carrying (Reported) Amount, Fair Value Disclosure \| Certificates of Deposit
Value of Assets	44,137	41,473
Carrying (Reported) Amount, Fair Value Disclosure \| Available-for-sale Securities
Value of Assets	6,204	6,314
Carrying (Reported) Amount, Fair Value Disclosure \| Mortgage-backed securities held to maturity
Value of Assets	129	171
Carrying (Reported) Amount, Fair Value Disclosure \| Mortgage-backed securities available for sale
Value of Assets	549	974
Carrying (Reported) Amount, Fair Value Disclosure \| Loans Receivable
Value of Assets	539,549	664,888
Carrying (Reported) Amount, Fair Value Disclosure \| Loans held for sale
Value of Assets	2,551	480
Carrying (Reported) Amount, Fair Value Disclosure \| Federal Home Loan Bank Borrowings
Value of Assets	7,219	7,350
Carrying (Reported) Amount, Fair Value Disclosure \| Demand Deposits
Value of Liabilities	487,970	514,446
Carrying (Reported) Amount, Fair Value Disclosure \| Deposits
Value of Liabilities	194,824	230,009
Carrying (Reported) Amount, Fair Value Disclosure \| Subordinated Debt Obligations
Value of Liabilities	22,681	22,681
Carrying (Reported) Amount, Fair Value Disclosure \| Held-to-maturity Securities
Value of Assets		$ 493