Allowance For Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Allowance for loan losses:
Beginning balance	$ 15,119	$ 15,383	$ 16,361	$ 14,151	$ 14,151
Charge-offs	(54)	(1,234)	(2,573)	(1,468)	(1,489)
Recoveries	640	46	694	731	1,326
Provision		346	1,223	1,127	2,373
Ending balance	15,705	14,541	15,705	14,541	16,361
Collectively evaluated for impairment	13,152	12,654	13,152	12,654	11,852
Individually evaluated for impairment	2,382	1,714	2,382	1,714	4,335
Purchased credit impaired	171	173	171	173	174
Total allowance for loan losses	15,705	14,541	15,705	14,541	16,361
Loans receivable:
Collectively evaluated for impairment	1,413,480	1,232,493	1,413,480	1,232,493	1,336,485
Individually evaluated for impairment	13,123	20,047	13,123	20,047	15,432
Purchased credit impaired	7,099	8,475	7,099	8,475	7,498
Total loans held for investment	1,433,702	1,261,015	1,433,702	1,261,015	1,359,415
Commercial [Member]
Loans receivable:
Total loans held for investment	1,323,972		1,323,972		1,245,329
Commercial & Industrial [Member]
Allowance for loan losses:
Beginning balance	9,478	9,039	10,196	9,109	9,109
Charge-offs	(50)	(899)	(1,288)	(899)	(916)
Recoveries	6	6	55	638	1,044
Provision	559	58	1,030	(644)	959
Ending balance	9,993	8,204	9,993	8,204	10,196
Collectively evaluated for impairment	7,714	7,889	7,714	7,889	7,272
Individually evaluated for impairment	2,279	315	2,279	315	2,924
Total allowance for loan losses	9,993	8,204	9,993	8,204	10,196
Loans receivable:
Collectively evaluated for impairment	703,588	650,846	703,588	650,846	672,831
Individually evaluated for impairment	6,547	7,910	6,547	7,910	7,564
Purchased credit impaired	780	1,001	780	1,001	895
Total loans held for investment	710,915	659,757	710,915	659,757	681,290
Owner occupied commercial real estate [Member]
Allowance for loan losses:
Beginning balance	792	888	874	763	763
Recoveries	14	30	14	53	222
Provision	(15)	92	(97)	194	(111)
Ending balance	791	1,010	791	1,010	874
Collectively evaluated for impairment	789	890	789	890	872
Individually evaluated for impairment		119		119
Purchased credit impaired	2	1	2	1	2
Total allowance for loan losses	791	1,010	791	1,010	874
Loans receivable:
Collectively evaluated for impairment	140,732	134,914	140,732	134,914	155,306
Individually evaluated for impairment	170	484	170	484
Purchased credit impaired	1,582	2,369	1,582	2,369	1,655
Total loans held for investment	142,484	137,767	142,484	137,767	156,961
Commerical real estate [Member]
Allowance for loan losses:
Beginning balance	2,716	2,722	2,216	2,380	2,380
Charge-offs		(333)		(333)	(333)
Recoveries			1	21	21
Provision	(107)	(157)	392	164	148
Ending balance	2,609	2,232	2,609	2,232	2,216
Collectively evaluated for impairment	2,458	2,081	2,458	2,081	2,021
Individually evaluated for impairment		2		2	45
Purchased credit impaired	151	149	151	149	150
Total allowance for loan losses	2,609	2,232	2,609	2,232	2,216
Loans receivable:
Collectively evaluated for impairment	274,322	210,927	274,322	210,927	258,993
Individually evaluated for impairment	3,073	2,899	3,073	2,899	3,342
Purchased credit impaired	4,487	4,811	4,487	4,811	4,676
Total loans held for investment	281,882	218,637	281,882	218,637	267,011
Construction, land & land development [Member]
Allowance for loan losses:
Beginning balance	1,079	852	1,103	1,352	1,352
Provision	396	269	372	(231)	(249)
Ending balance	1,475	1,121	1,475	1,121	1,103
Collectively evaluated for impairment	1,457	1,099	1,457	1,099	1,082
Purchased credit impaired	18	22	18	22	21
Total allowance for loan losses	1,475	1,121	1,475	1,121	1,103
Loans receivable:
Collectively evaluated for impairment	186,855	126,816	186,855	126,816	138,220
Individually evaluated for impairment	1,754	5,950	1,754	5,950	1,751
Purchased credit impaired	82	109	82	109	96
Total loans held for investment	188,691	132,875	188,691	132,875	140,067
Consumer [Member]
Loans receivable:
Total loans held for investment	109,730		109,730		114,086
Residential mortgage [Member]
Allowance for loan losses:
Beginning balance	723	551	654	492	492
Charge-offs				(186)	(186)
Recoveries	5	7	8	15	27
Provision	(104)	86	(38)	323	321
Ending balance	624	644	624	644	654
Collectively evaluated for impairment	624	644	624	644	566
Individually evaluated for impairment					88
Total allowance for loan losses	624	644	624	644	654
Loans receivable:
Collectively evaluated for impairment	103,433	102,783	103,433	102,783	104,858
Individually evaluated for impairment	1,312	1,360	1,312	1,360	1,328
Purchased credit impaired	168	184	168	184	176
Total loans held for investment	104,913	104,327	104,913	104,327	106,362
Other consumer [Member]
Allowance for loan losses:
Beginning balance	331	1,331	1,318	55	55
Charge-offs	(4)	(2)	(1,285)	(50)	(54)
Recoveries	615	3	616	4	12
Provision	(729)	(2)	(436)	1,321	1,305
Ending balance	213	1,330	213	1,330	1,318
Collectively evaluated for impairment	110	51	110	51	39
Individually evaluated for impairment	103	1,278	103	1,278	1,278
Purchased credit impaired		1		1	1
Total allowance for loan losses	213	1,330	213	1,330	1,318
Loans receivable:
Collectively evaluated for impairment	4,550	6,207	4,550	6,207	6,277
Individually evaluated for impairment	267	1,444	267	1,444	1,447
Purchased credit impaired		1		1
Total loans held for investment	$ 4,817	$ 7,652	$ 4,817	$ 7,652	$ 7,724