Allowance For Loan Losses (Allowance For Loan Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	$ 16,408	$ 16,503
Charge-Offs	(14)	(657)
Recoveries	97	353
Provision (benefit)	150	89
Balance, end of period	16,641	16,288
Balance, end of period: Individually evaluated for impairment	659	778
Balance, end of period: Collectively evaluated for impairment	15,982	15,510
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	6,308	6,783
Charge-Offs		(231)
Recoveries	76	349
Provision (benefit)	533	(818)
Balance, end of period	6,917	6,083
Balance, end of period: Individually evaluated for impairment	395	436
Balance, end of period: Collectively evaluated for impairment	6,522	5,647
Real Estate Construction One-To- Four Family [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	1,029	468
Provision (benefit)	(303)	260
Balance, end of period	726	728
Balance, end of period: Individually evaluated for impairment	242
Balance, end of period: Collectively evaluated for impairment	484	728
Real Estate Construction Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	326	1,169
Recoveries	18
Provision (benefit)	227	(679)
Balance, end of period	571	490
Balance, end of period: Individually evaluated for impairment		342
Balance, end of period: Collectively evaluated for impairment	571	148
Real Estate Term Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	1,441	1,272
Charge-Offs		(146)
Provision (benefit)	(7)	48
Balance, end of period	1,434	1,174
Balance, end of period: Collectively evaluated for impairment	1,434	1,174
Real Estate Term Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	4,065	2,975
Provision (benefit)	377	455
Balance, end of period	4,442	3,430
Balance, end of period: Collectively evaluated for impairment	4,442	3,430
Real Estate Term Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	539	788
Charge-Offs		(280)
Provision (benefit)	116	85
Balance, end of period	655	593
Balance, end of period: Collectively evaluated for impairment	655	593
Consumer Secured By 1st Deed Of Trust [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	344	374
Provision (benefit)	7	(77)
Balance, end of period	351	297
Balance, end of period: Individually evaluated for impairment	22
Balance, end of period: Collectively evaluated for impairment	329	297
Consumer Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	388	418
Charge-Offs	(14)
Recoveries	3	4
Provision (benefit)	25	(120)
Balance, end of period	402	302
Balance, end of period: Collectively evaluated for impairment	402	302
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	1,968	2,256
Provision (benefit)	(825)	935
Balance, end of period	1,143	3,191
Balance, end of period: Collectively evaluated for impairment	$ 1,143	$ 3,191