Loans Receivable And Allowance For Loan Losses: Schedule of Composition of Construction and Land Development Loan Portfolio (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total construction and land development loans, amount	$ 38,916	$ 56,406
Total construction and land development loans, percent	100.00%	100.00%
Mortgage loans, construction - custom and owner/builder
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total construction and land development loans, amount	33,502	33,345
Total construction and land development loans, percent	86.10%	59.10%
Mortgage loans, construction - speculative one-to-four family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total construction and land development loans, amount	1,020	1,880
Total construction and land development loans, percent	2.60%	3.40%
Construction - Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total construction and land development loans, amount	3,589	20,247
Total construction and land development loans, percent	9.20%	35.90%
Mortgage loans, construction - Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total construction and land development loans, amount	289	345
Total construction and land development loans, percent	0.80%	0.60%
Mortgage loans, construction - land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total construction and land development loans, amount	$ 516	$ 589
Total construction and land development loans, percent	1.30%	1.00%