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		6 Months Ended
	Jun. 30, 2014 Contracts	Jun. 30, 2013 Contracts	Jun. 30, 2014 Contracts	Jun. 30, 2013 Contracts
Financing Receivable, Modifications [Line Items]
Number of Contracts			8
YTD [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts			17
TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	2	16	17	22
Recorded Investment	$ 1,129	$ 13,331	$ 8,956	$ 20,772
Commercial and industrial [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	9	7	10
Recorded Investment	0	6,151	1,288	6,390
Owner occupied real estate [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	2	4	2
Recorded Investment	871	1,610	1,792	1,610
Commercial construction and land development [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	2	2	3
Recorded Investment	0	2,628	1,930	6,119
Commercial real estate [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	3	0	4
Recorded Investment	0	2,942	0	6,217
Residential [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	0	3	1
Recorded Investment	258	0	3,470	259
Consumer [Member] | TDR's, Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	1	2
Recorded Investment	$ 0	$ 0	$ 476	$ 177