Fair Value Of Financial Instruments: Fair Value, Option, Quantitative Disclosures (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Mar. 31, 2012
Fair Value, Inputs, Level 1 | Cash
Value of Assets	$ 98,367	$ 46,393
Fair Value, Inputs, Level 1 | Loans held for sale
Value of Assets	1,289	480
Fair Value, Inputs, Level 2 | Certificates of Deposit
Value of Assets	42,121	41,767
Fair Value, Inputs, Level 2 | Available-for-sale Securities
Value of Assets	5,159	5,148
Fair Value, Inputs, Level 2 | Mortgage-backed securities held to maturity
Value of Assets	170	177
Fair Value, Inputs, Level 2 | Mortgage-backed securities available for sale
Value of Assets	679	974
Fair Value, Inputs, Level 2 | Federal Home Loan Bank Borrowings
Value of Assets	7,285	7,350
Fair Value, Inputs, Level 2 | Demand Deposits
Value of Liabilities	495,344	514,446
Fair Value, Inputs, Level 2 | Deposits
Value of Liabilities	205,673	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	1,119	1,166
Fair Value, Inputs, Level 3 | Loans Receivable
Value of Assets	522,619	596,552
Fair Value, Inputs, Level 3 | Subordinated Debt Obligations
Value of Liabilities	8,735	9,831
Estimate of Fair Value, Fair Value Disclosure | Cash
Value of Assets	98,367	46,393
Estimate of Fair Value, Fair Value Disclosure | Certificates of Deposit
Value of Assets	42,121	41,767
Estimate of Fair Value, Fair Value Disclosure | Available-for-sale Securities
Value of Assets	6,278	6,314
Estimate of Fair Value, Fair Value Disclosure | Mortgage-backed securities held to maturity
Value of Assets	170	177
Estimate of Fair Value, Fair Value Disclosure | Mortgage-backed securities available for sale
Value of Assets	679	974
Estimate of Fair Value, Fair Value Disclosure | Loans Receivable
Value of Assets	522,619	596,552
Estimate of Fair Value, Fair Value Disclosure | Loans held for sale
Value of Assets	1,289	480
Estimate of Fair Value, Fair Value Disclosure | Federal Home Loan Bank Borrowings
Value of Assets	7,285	7,350
Estimate of Fair Value, Fair Value Disclosure | Demand Deposits
Value of Liabilities	495,344	514,446
Estimate of Fair Value, Fair Value Disclosure | Deposits
Value of Liabilities	205,673	231,631
Estimate of Fair Value, Fair Value Disclosure | Subordinated Debt Obligations
Value of Liabilities	8,735	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	98,367	46,393
Carrying (Reported) Amount, Fair Value Disclosure | Certificates of Deposit
Value of Assets	41,797	41,473
Carrying (Reported) Amount, Fair Value Disclosure | Available-for-sale Securities
Value of Assets	6,278	6,314
Carrying (Reported) Amount, Fair Value Disclosure | Mortgage-backed securities held to maturity
Value of Assets	164	171
Carrying (Reported) Amount, Fair Value Disclosure | Mortgage-backed securities available for sale
Value of Assets	679	974
Carrying (Reported) Amount, Fair Value Disclosure | Loans Receivable
Value of Assets	562,058	664,888
Carrying (Reported) Amount, Fair Value Disclosure | Loans held for sale
Value of Assets	1,289	480
Carrying (Reported) Amount, Fair Value Disclosure | Federal Home Loan Bank Borrowings
Value of Assets	7,285	7,350
Carrying (Reported) Amount, Fair Value Disclosure | Demand Deposits
Value of Liabilities	495,344	514,446
Carrying (Reported) Amount, Fair Value Disclosure | Deposits
Value of Liabilities	203,883	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