Loans Receivable and Allowance For Loan Losses (Schedule of Troubled Debt Restructurings Accrual and Non-accrual) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012 commitment loan	Dec. 31, 2011 loan
Financing Receivable, Modifications [Line Items]
Number of commitments to lend additional funds on impaired loans.	0
Number of TDR contracts, subsequently defaulted	0	0
Troubled Debt Restructured Loans Summary [Abstract]
Loans on non-accural	$ 1,906,000	$ 2,227,000
Total troubled debt restructured loans	3,260,000	3,249,000
Troubled Debt Restructuring, Debtor, Current Period [Abstract]
Charge-offs to the Allowance	3,540,000	4,839,000
Management
Financing Receivable, Modifications [Line Items]
Number of contracts	0
Accruing Financing Receivables
Financing Receivable, Modifications [Line Items]
Number of contracts	3	4
Troubled Debt Restructured Loans Summary [Abstract]
Loans still on accrual	2,368,000	3,117,000
Troubled Debt Restructuring, Debtor, Current Period [Abstract]
Recorded Investment	301,000	1,771,000
Increase in the Allowance	7,000	82,000
Charge-offs to the Allowance	63,000	39,000
Non Accrual Financing Receivables
Financing Receivable, Modifications [Line Items]
Number of contracts	3	3
Troubled Debt Restructured Loans Summary [Abstract]
Loans on non-accural	892,000	132,000
One-to-four-family
Troubled Debt Restructured Loans Summary [Abstract]
Loans on non-accural	344,000	412,000
One-to-four-family | Accruing Financing Receivables
Financing Receivable, Modifications [Line Items]
Number of contracts	2
Troubled Debt Restructuring, Debtor, Current Period [Abstract]
Recorded Investment	237,000
Increase in the Allowance	0
Charge-offs to the Allowance	60,000
Commercial
Troubled Debt Restructured Loans Summary [Abstract]
Loans on non-accural	783,000	0
Commercial | Non Accrual Financing Receivables
Financing Receivable, Modifications [Line Items]
Number of contracts	1	1
Home equity
Troubled Debt Restructured Loans Summary [Abstract]
Loans on non-accural	248,000	267,000
Home equity | Accruing Financing Receivables
Financing Receivable, Modifications [Line Items]
Number of contracts		3
Troubled Debt Restructuring, Debtor, Current Period [Abstract]
Recorded Investment		132,000
Increase in the Allowance		0
Charge-offs to the Allowance		1,000
Home equity | Non Accrual Financing Receivables
Financing Receivable, Modifications [Line Items]
Number of contracts	1	1
COMMERCIAL BUSINESS LOANS
Troubled Debt Restructured Loans Summary [Abstract]
Loans on non-accural	194,000	427,000
Troubled Debt Restructuring, Debtor, Current Period [Abstract]
Charge-offs to the Allowance	179,000	684,000
COMMERCIAL BUSINESS LOANS | Accruing Financing Receivables
Financing Receivable, Modifications [Line Items]
Number of contracts	1
Troubled Debt Restructuring, Debtor, Current Period [Abstract]
Recorded Investment	64,000
Increase in the Allowance	7,000
Charge-offs to the Allowance	3,000
COMMERCIAL BUSINESS LOANS | Non Accrual Financing Receivables
Financing Receivable, Modifications [Line Items]
Number of contracts	1	1
Construction and Development Real Estate Loans [Member] | Accruing Financing Receivables
Financing Receivable, Modifications [Line Items]
Number of contracts		1
Troubled Debt Restructuring, Debtor, Current Period [Abstract]
Recorded Investment		1,639,000
Increase in the Allowance		82,000
Charge-offs to the Allowance		$ 38,000