Loans (Troubled Debt Restructured Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	$ 353
Existing troubled debt restructurings	8,512
Total Modifications	8,865	12,100
Real Estate Construction One-To- Four Family [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	353
Accrual [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	353
Existing troubled debt restructurings	6,762
Total Modifications	7,115
Accrual [Member] | Real Estate Construction One-To- Four Family [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	353
Nonaccrual [Member]
Financing Receivable, Modifications [Line Items]
Existing troubled debt restructurings	1,750
Total Modifications	$ 1,750