Loans Receivable and Allowance for Loan Losses (Activity In And Ending Balances Of The Allowance For Loan Losses By Loan Portfolio Class) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance:	$ 9,385	$ 15,108	$ 12,050	$ 11,444
Charge-offs	(437)	(3,345)	(2,985)	(4,780)
Recoveries		1	133	50
Provisions (credits)	850	616	600	5,666
Ending balance:	9,798	12,380	9,798	12,380
Allowance for loan losses ending balance: individually evaluated for impairment	3,292		3,292		3,104
Allowance for loan losses ending balance: collectively evaluated for impairment	6,506		6,506		8,946
Allowance for loan losses ending balance: loans acquired with deteriorated credit quality	9,798		9,798		12,050
Loans receivable: Ending balance	623,354		623,354		589,716
Loans receivable ending balance: individually evaluated for impairment	44,175		44,175		38,199
Loans receivable ending balance: collectively evaluated for impairment	579,179		579,179		551,517
Total loans receivable	623,354		623,354		589,716
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance:	3,961	8,646	7,372	7,243
Charge-offs	(133)	(1,062)	(899)	(2,096)
Recoveries				9
Provisions (credits)	794	99	(1,851)	2,527
Ending balance:	4,622	7,683	4,622	7,683
Allowance for loan losses ending balance: individually evaluated for impairment	1,681		1,681		2,066
Allowance for loan losses ending balance: collectively evaluated for impairment	2,941		2,941		5,306
Allowance for loan losses ending balance: loans acquired with deteriorated credit quality	4,622		4,622		7,372
Loans receivable: Ending balance	344,149		344,149		344,377
Loans receivable ending balance: individually evaluated for impairment	26,338		26,338		20,076
Loans receivable ending balance: collectively evaluated for impairment	317,811		317,811		324,301
Total loans receivable	344,149		344,149		344,377
Construction and land development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance:	1,416	1,819	558	837
Charge-offs		(1,305)	(921)	(1,675)
Recoveries			105	2
Provisions (credits)	(173)	460	1,501	1,810
Ending balance:	1,243	974	1,243	974
Allowance for loan losses ending balance: individually evaluated for impairment	83		83		98
Allowance for loan losses ending balance: collectively evaluated for impairment	1,160		1,160		460
Allowance for loan losses ending balance: loans acquired with deteriorated credit quality	1,243		1,243		558
Loans receivable: Ending balance	29,744		29,744		35,061
Loans receivable ending balance: individually evaluated for impairment	5,575		5,575		6,983
Loans receivable ending balance: collectively evaluated for impairment	24,169		24,169		28,078
Total loans receivable	29,744		29,744		35,061
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance:	1,816	2,729	1,928	1,443
Charge-offs	(303)	(975)	(1,063)	(975)
Provisions (credits)	37		685	1,286
Ending balance:	1,550	1,754	1,550	1,754
Allowance for loan losses ending balance: individually evaluated for impairment	609		609
Allowance for loan losses ending balance: collectively evaluated for impairment	941		941
Allowance for loan losses ending balance: loans acquired with deteriorated credit quality	1,550		1,550
Loans receivable: Ending balance	108,665		108,665		87,668
Loans receivable ending balance: individually evaluated for impairment	7,170		7,170
Loans receivable ending balance: collectively evaluated for impairment	101,495		101,495
Total loans receivable	108,665		108,665		87,668
Owner occupied real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance:	1,626	1,596	1,963	1,575
Provisions (credits)	335	93	(2)	114
Ending balance:	1,961	1,689	1,961	1,689
Allowance for loan losses ending balance: individually evaluated for impairment	872		872		311
Allowance for loan losses ending balance: collectively evaluated for impairment	1,089		1,089		1,652
Allowance for loan losses ending balance: loans acquired with deteriorated credit quality	1,961		1,961		1,963
Loans receivable: Ending balance	117,959		117,959		102,777
Loans receivable ending balance: individually evaluated for impairment	4,032		4,032		1,862
Loans receivable ending balance: collectively evaluated for impairment	113,927		113,927		100,915
Total loans receivable	117,959		117,959		102,777
Consumer and other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance:	134	124	113	130
Charge-offs	(1)	(3)	(102)	(34)
Recoveries		1	28	39
Provisions (credits)	55	(8)	149	(21)
Ending balance:	188	114	188	114
Allowance for loan losses ending balance: individually evaluated for impairment	47		47
Allowance for loan losses ending balance: collectively evaluated for impairment	141		141		113
Allowance for loan losses ending balance: loans acquired with deteriorated credit quality	188		188		113
Loans receivable: Ending balance	20,370		20,370		16,683
Loans receivable ending balance: individually evaluated for impairment	1,060		1,060		958
Loans receivable ending balance: collectively evaluated for impairment	19,310		19,310		15,725
Total loans receivable	20,370		20,370		16,683
Residential mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance:	16	33	23	41
Provisions (credits)	2	(10)	(5)	(18)
Ending balance:	18	23	18	23
Allowance for loan losses ending balance: collectively evaluated for impairment	18		18		23
Allowance for loan losses ending balance: loans acquired with deteriorated credit quality	18		18		23
Loans receivable: Ending balance	2,467		2,467		3,150
Loans receivable ending balance: collectively evaluated for impairment	2,467		2,467		3,150
Total loans receivable	2,467		2,467		3,150
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance:	416	161	93	175
Provisions (credits)	(200)	(18)	123	(32)
Ending balance:	216	143	216	143
Allowance for loan losses ending balance: collectively evaluated for impairment	216		216		93
Allowance for loan losses ending balance: loans acquired with deteriorated credit quality	$ 216		$ 216		$ 93