Loans - Schedule Of Debtor Troubled Debt Restructuring, Subsequent Periods (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Nonaccrual Troubled Debt Restructurings, Total	$ 2,811	$ 3,286
Commercial Segment [Member]
Financing Receivable, Modifications [Line Items]
Nonaccrual Troubled Debt Restructurings, Total	488	528
Multi-family residential [Member]
Financing Receivable, Modifications [Line Items]
Nonaccrual Troubled Debt Restructurings, Total	2,044	2,082
Non-owner occupied [Member]
Financing Receivable, Modifications [Line Items]
Nonaccrual Troubled Debt Restructurings, Total		388
Owner occupied [Member]
Financing Receivable, Modifications [Line Items]
Nonaccrual Troubled Debt Restructurings, Total	$ 279	$ 288