Loans Receivable and Allowance for Loan Losses (Nonaccrual Loans By Classes Of The Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Non-Accrual Status	$ 10,892	$ 10,564
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Non-Accrual Status	2,450	1,880
Construction and land development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Non-Accrual Status	3,100	4,022
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Non-Accrual Status	4,184	3,925
Owner occupied real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Non-Accrual Status	505
Consumer and other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Non-Accrual Status	$ 653	$ 737