Loans Receivable and Allowance for Loan Losses (Troubled Debt Restructurings on Loan Receivables) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013 concession	Jun. 30, 2013 QTD [Member] Contracts	Jun. 30, 2012 QTD [Member] Contracts	Jun. 30, 2013 YTD [Member] Contracts	Jun. 30, 2012 YTD [Member] Contracts	Jun. 30, 2013 Forbearance Agreement [Member] Owner occupied real estate [Member] QTD [Member] Contracts	Jun. 30, 2012 Forbearance Agreement [Member] Owner occupied real estate [Member] QTD [Member] Contracts	Jun. 30, 2013 Forbearance Agreement [Member] Owner occupied real estate [Member] YTD [Member] Contracts	Jun. 30, 2012 Forbearance Agreement [Member] Owner occupied real estate [Member] YTD [Member] Contracts	Jun. 30, 2013 Material Extension of Time [Member] Commercial and industrial [Member] QTD [Member] Contracts	Jun. 30, 2012 Material Extension of Time [Member] Commercial and industrial [Member] QTD [Member] Contracts	Jun. 30, 2013 Material Extension of Time [Member] Commercial and industrial [Member] YTD [Member] Contracts	Jun. 30, 2012 Material Extension of Time [Member] Commercial and industrial [Member] YTD [Member] Contracts	Jun. 30, 2013 Material Extension of Time [Member] Commercial construction and land development [Member] QTD [Member] Contracts	Jun. 30, 2012 Material Extension of Time [Member] Commercial construction and land development [Member] QTD [Member] Contracts	Jun. 30, 2013 Material Extension of Time [Member] Commercial construction and land development [Member] YTD [Member] Contracts	Jun. 30, 2012 Material Extension of Time [Member] Commercial construction and land development [Member] YTD [Member] Contracts	Jun. 30, 2013 Material Extension of Time [Member] Commercial real estate [Member] QTD [Member] Contracts	Jun. 30, 2012 Material Extension of Time [Member] Commercial real estate [Member] QTD [Member] Contracts	Jun. 30, 2013 Material Extension of Time [Member] Commercial real estate [Member] YTD [Member] Contracts	Jun. 30, 2012 Material Extension of Time [Member] Commercial real estate [Member] YTD [Member] Contracts	Jun. 30, 2013 Material Extension of Time [Member] Residential [Member] QTD [Member] Contracts	Jun. 30, 2012 Material Extension of Time [Member] Residential [Member] QTD [Member] Contracts	Jun. 30, 2013 Material Extension of Time [Member] Residential [Member] YTD [Member] Contracts	Jun. 30, 2012 Material Extension of Time [Member] Residential [Member] YTD [Member] Contracts	Jun. 30, 2013 Material Extension of Time [Member] Consumer [Member] QTD [Member] Contracts	Jun. 30, 2012 Material Extension of Time [Member] Consumer [Member] QTD [Member] Contracts	Jun. 30, 2013 Material Extension of Time [Member] Consumer [Member] YTD [Member] Contracts	Jun. 30, 2012 Material Extension of Time [Member] Consumer [Member] YTD [Member] Contracts	Jun. 30, 2013 Combination of Concessions [Member] Residential [Member] QTD [Member] Contracts	Jun. 30, 2012 Combination of Concessions [Member] Residential [Member] QTD [Member] Contracts	Jun. 30, 2013 Combination of Concessions [Member] Residential [Member] YTD [Member] Contracts	Jun. 30, 2012 Combination of Concessions [Member] Residential [Member] YTD [Member] Contracts	Jun. 30, 2013 Change in Amortization Period [Member] Commercial and industrial [Member] QTD [Member] Contracts	Jun. 30, 2012 Change in Amortization Period [Member] Commercial and industrial [Member] QTD [Member] Contracts	Jun. 30, 2013 Change in Amortization Period [Member] Commercial and industrial [Member] YTD [Member] Contracts	Jun. 30, 2012 Change in Amortization Period [Member] Commercial and industrial [Member] YTD [Member] Contracts	Jun. 30, 2013 Change in Amortization Period [Member] Commercial real estate [Member] QTD [Member] Contracts	Jun. 30, 2012 Change in Amortization Period [Member] Commercial real estate [Member] QTD [Member] Contracts	Jun. 30, 2013 Change in Amortization Period [Member] Commercial real estate [Member] YTD [Member] Contracts	Jun. 30, 2012 Change in Amortization Period [Member] Commercial real estate [Member] YTD [Member] Contracts
Financing Receivable, Modifications [Line Items]
Number of Contracts		12	4	17	11	0	0	1	0	0	1	0	1	1	1	4	5	0	0	0	1	0	1	1	1	0	1	0	2	0	0	0	1	8	0	8	0	3	0	3	0
Recorded Investment at Time of Restructure		$ 5,997	$ 2,071	$ 7,501	$ 5,396	$ 0	$ 0	$ 193	$ 0	$ 0	$ 1,262	$ 0	$ 1,262	$ 1,851	$ 351	$ 2,902	$ 3,396	$ 0	$ 0	$ 0	$ 68	$ 0	$ 280	$ 260	$ 280	$ 0	$ 178	$ 0	$ 195	$ 0	$ 0	$ 0	$ 195	$ 1,204	$ 0	$ 1,204	$ 0	$ 2,942	$ 0	$ 2,942	$ 0
Number of concessions for classifying loans receivable as TDR	1