Loans Receivable and Allowance for Loan Losses (Loans Receivable Modified as Troubled Debt Restructurings, Previous 12 Months) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 Contracts	Mar. 31, 2013 Contracts
Financing Receivable, Modifications [Line Items]
Number of Contracts	10
YTD [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	15
YTD [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	15	10
Recorded Investment	$ 7,793	$ 8,327
Commercial and industrial [Member] | YTD [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	7	1
Recorded Investment	1,260	244
Owner occupied real estate [Member] | YTD [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	3	0
Recorded Investment	914	0
Commercial construction and land development [Member] | YTD [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	2	2
Recorded Investment	1,930	3,853
Commercial real estate [Member] | YTD [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	1
Recorded Investment	0	3,275
Residential [Member] | YTD [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	2	3
Recorded Investment	3,213	602
Consumer [Member] | YTD [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	3
Recorded Investment	$ 476	$ 353