Fair Value Of Financial Instruments: Fair Value, Option, Quantitative Disclosures (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012
Fair Value, Inputs, Level 1 \| Cash
Estimated Fair Value of Assets	$ 71,362	$ 46,393
Fair Value, Inputs, Level 1 \| Loans held for sale
Estimated Fair Value of Assets	100	480
Fair Value, Inputs, Level 2 \| Certificates of Deposit
Estimated Fair Value of Assets	41,213	41,767
Fair Value, Inputs, Level 2 \| Held-to-maturity Securities
Estimated Fair Value of Assets	534	542
Fair Value, Inputs, Level 2 \| Available-for-sale Securities
Estimated Fair Value of Assets	5,164	5,148
Fair Value, Inputs, Level 2 \| Mortgage-backed securities held to maturity
Estimated Fair Value of Assets	173	177
Fair Value, Inputs, Level 2 \| Mortgage-backed securities available for sale
Estimated Fair Value of Assets	813	974
Fair Value, Inputs, Level 2 \| Federal Home Loan Bank Borrowings
Estimated Fair Value of Assets	7,350	7,350
Fair Value, Inputs, Level 2 \| Demand Deposits
Estimated Fair Value of Liabilities	491,586	514,446
Fair Value, Inputs, Level 2 \| Deposits
Estimated Fair Value of Liabilities	215,899	231,631
Fair Value, Inputs, Level 3 \| Available-for-sale Securities
Estimated Fair Value of Assets	1,127	1,166
Fair Value, Inputs, Level 3 \| Loans Receivable
Estimated Fair Value of Assets	539,201	596,552
Fair Value, Inputs, Level 3 \| Subordinated Debt Obligations
Estimated Fair Value of Liabilities	8,573	9,831
Estimate of Fair Value, Fair Value Disclosure \| Cash
Estimated Fair Value of Assets	71,362	46,393
Estimate of Fair Value, Fair Value Disclosure \| Certificates of Deposit
Estimated Fair Value of Assets	41,213	41,767
Estimate of Fair Value, Fair Value Disclosure \| Held-to-maturity Securities
Estimated Fair Value of Assets	534	542
Estimate of Fair Value, Fair Value Disclosure \| Available-for-sale Securities
Estimated Fair Value of Assets	6,291	6,314
Estimate of Fair Value, Fair Value Disclosure \| Mortgage-backed securities held to maturity
Estimated Fair Value of Assets	173	177
Estimate of Fair Value, Fair Value Disclosure \| Mortgage-backed securities available for sale
Estimated Fair Value of Assets	813	974
Estimate of Fair Value, Fair Value Disclosure \| Loans Receivable
Estimated Fair Value of Assets	539,201	596,552
Estimate of Fair Value, Fair Value Disclosure \| Loans held for sale
Estimated Fair Value of Assets	100	480
Estimate of Fair Value, Fair Value Disclosure \| Federal Home Loan Bank Borrowings
Estimated Fair Value of Assets	7,350	7,350
Estimate of Fair Value, Fair Value Disclosure \| Demand Deposits
Estimated Fair Value of Liabilities	491,586	514,446
Estimate of Fair Value, Fair Value Disclosure \| Deposits
Estimated Fair Value of Liabilities	215,899	231,631
Estimate of Fair Value, Fair Value Disclosure \| Subordinated Debt Obligations
Estimated Fair Value of Liabilities	8,573	9,831
Carrying (Reported) Amount, Fair Value Disclosure \| Cash
Estimated Fair Value of Assets	71,362	46,393
Carrying (Reported) Amount, Fair Value Disclosure \| Certificates of Deposit
Estimated Fair Value of Assets	40,975	41,473
Carrying (Reported) Amount, Fair Value Disclosure \| Held-to-maturity Securities
Estimated Fair Value of Assets	487	493
Carrying (Reported) Amount, Fair Value Disclosure \| Available-for-sale Securities
Estimated Fair Value of Assets	6,291	6,314
Carrying (Reported) Amount, Fair Value Disclosure \| Mortgage-backed securities held to maturity
Estimated Fair Value of Assets	168	171
Carrying (Reported) Amount, Fair Value Disclosure \| Mortgage-backed securities available for sale
Estimated Fair Value of Assets	813	974
Carrying (Reported) Amount, Fair Value Disclosure \| Loans Receivable
Estimated Fair Value of Assets	597,138	664,888
Carrying (Reported) Amount, Fair Value Disclosure \| Loans held for sale
Estimated Fair Value of Assets	100	480
Carrying (Reported) Amount, Fair Value Disclosure \| Federal Home Loan Bank Borrowings
Estimated Fair Value of Assets	7,350	7,350
Carrying (Reported) Amount, Fair Value Disclosure \| Demand Deposits
Estimated Fair Value of Liabilities	491,586	514,446
Carrying (Reported) Amount, Fair Value Disclosure \| Deposits
Estimated Fair Value of Liabilities	214,306	230,009
Carrying (Reported) Amount, Fair Value Disclosure \| Subordinated Debt Obligations
Estimated Fair Value of Liabilities	$ 22,681	$ 22,681