Allowance For Loan Losses (Allowance For Loan Losses) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Duration of loss history used to calculate general reserve	5 years
Balance, beginning of period	$ 16,503,000	$ 14,406,000
Charge-Offs	(1,172,000)	(1,519,000)
Recoveries	2,636,000	1,617,000
Provision (benefit)	(1,559,000)	1,999,000
Balance, end of period	16,408,000	16,503,000
Balance, end of period: Individually evaluated for impairment	659,000	1,181,000
Balance, end of period: Collectively evaluated for impairment	15,749,000	15,322,000
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	6,783,000	6,374,000
Charge-Offs	(496,000)	(1,225,000)
Recoveries	2,518,000	1,426,000
Provision (benefit)	(2,497,000)	208,000
Balance, end of period	6,308,000	6,783,000
Balance, end of period: Individually evaluated for impairment	444,000	620,000
Balance, end of period: Collectively evaluated for impairment	5,864,000	6,163,000
Real Estate Construction One-To- Four Family [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	468,000	459,000
Recoveries	48,000	1,000
Provision (benefit)	513,000	7,000
Balance, end of period	1,029,000	468,000
Balance, end of period: Individually evaluated for impairment	215,000
Balance, end of period: Collectively evaluated for impairment	814,000	468,000
Real Estate Construction Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	1,169,000	576,000
Charge-Offs		(133,000)
Recoveries		90,000
Provision (benefit)	(843,000)	637,000
Balance, end of period	326,000	1,169,000
Balance, end of period: Individually evaluated for impairment		494,000
Balance, end of period: Collectively evaluated for impairment	326,000	675,000
Real Estate Term Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	1,272,000	1,029,000
Charge-Offs	(274,000)
Provision (benefit)	443,000	243,000
Balance, end of period	1,441,000	1,272,000
Balance, end of period: Collectively evaluated for impairment	1,441,000	1,272,000
Real Estate Term Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	2,975,000	2,890,000
Provision (benefit)	1,090,000	85,000
Balance, end of period	4,065,000	2,975,000
Balance, end of period: Individually evaluated for impairment		67,000
Balance, end of period: Collectively evaluated for impairment	4,065,000	2,908,000
Real Estate Term Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	788,000	351,000
Charge-Offs	(280,000)	(90,000)
Recoveries	50,000	54,000
Provision (benefit)	(19,000)	473,000
Balance, end of period	539,000	788,000
Balance, end of period: Collectively evaluated for impairment	539,000	788,000
Consumer Secured By 1st Deed Of Trust [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	374,000	337,000
Provision (benefit)	(30,000)	37,000
Balance, end of period	344,000	374,000
Balance, end of period: Collectively evaluated for impairment	344,000	374,000
Consumer Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	418,000	404,000
Charge-Offs	(122,000)	(71,000)
Recoveries	20,000	46,000
Provision (benefit)	72,000	39,000
Balance, end of period	388,000	418,000
Balance, end of period: Collectively evaluated for impairment	388,000	418,000
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	2,256,000	1,986,000
Provision (benefit)	(288,000)	270,000
Balance, end of period	1,968,000	2,256,000
Balance, end of period: Collectively evaluated for impairment	$ 1,968,000	$ 2,256,000