Loans And Related Allowances For Loan Losses (Allowance For Loan Losses Summarized By Loan Portfolio Segments) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Allowance For Loan Losses	$ 15,522	$ 16,025	$ 16,047	$ 16,770	$ 17,213	$ 19,480
Individually evaluated for impairment	2,725		1,632
Collectively evaluated for impairment	12,797		14,415
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Allowance For Loan Losses	5,261	5,789	5,206	5,856	6,635	6,218
Individually evaluated for impairment	35		126
Collectively evaluated for impairment	5,226		5,080
Acquisition and Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Allowance For Loan Losses	4,875	4,760	5,029	6,209	5,879	7,190
Individually evaluated for impairment	2,612		1,506
Collectively evaluated for impairment	2,263		3,523
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Allowance For Loan Losses	753	645	906	860	929	2,190
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	753		906
Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Allowance For Loan Losses	4,304	4,483	4,507	3,457	3,377	3,430
Individually evaluated for impairment	78		0
Collectively evaluated for impairment	4,226		4,507
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Allowance For Loan Losses	329	348	399	388	393	452
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	$ 329		$ 399