Note 5 - Credit Quality and the Allowance for Loan and Lease Losses (Details) - Impaired Loans (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Recorded Investment:
Total Loans Held for Investment	$ 250,839	$ 223,631	$ 245,289
Recorded Investment [Member] | Construction and Land Development [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With an Allowance Recorded	288	199	385
Recorded Investment [Member] | Construction and Land Development [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded		544	170
Recorded Investment [Member] | Construction and Land Development [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	288	743	555
Recorded Investment [Member] | Construction and Land Development [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	9,236	11,988	8,985
Loans Collectively Evaluated For Impairment	9,236	11,988	8,985
Recorded Investment [Member] | Construction and Land Development [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	2,017	2,810	2,455
Recorded Investment [Member] | Construction and Land Development [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	11,541	15,541	11,995
Recorded Investment [Member] | Owner Occupied [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With an Allowance Recorded	124	581	686
Recorded Investment [Member] | Owner Occupied [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded	2,043	1,294	1,599
Recorded Investment [Member] | Owner Occupied [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	2,167	1,875	2,285
Recorded Investment [Member] | Owner Occupied [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	51,242	49,100	51,837
Loans Collectively Evaluated For Impairment	51,242	49,100	51,837
Recorded Investment [Member] | Owner Occupied [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	15,489	16,213	16,906
Recorded Investment [Member] | Owner Occupied [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	68,898	67,188	71,028
Recorded Investment [Member] | Non Owner Occupied [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With an Allowance Recorded	717	0	749
Recorded Investment [Member] | Non Owner Occupied [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded		0	0
Recorded Investment [Member] | Non Owner Occupied [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	717	0	749
Recorded Investment [Member] | Non Owner Occupied [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	62,685	52,940	57,058
Loans Collectively Evaluated For Impairment	62,685	52,940	57,058
Recorded Investment [Member] | Non Owner Occupied [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	11,613	11,564	11,554
Recorded Investment [Member] | Non Owner Occupied [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	75,015	64,504	69,361
Recorded Investment [Member] | Residential Real Estate [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With an Allowance Recorded	964	185	894
Recorded Investment [Member] | Residential Real Estate [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded		0	0
Recorded Investment [Member] | Residential Real Estate [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	964	185	894
Recorded Investment [Member] | Residential Real Estate [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	23,114	28,213	25,613
Loans Collectively Evaluated For Impairment	23,114	28,213	25,613
Recorded Investment [Member] | Residential Real Estate [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	4,404	4,843	4,534
Recorded Investment [Member] | Residential Real Estate [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	28,482	33,241	31,041
Recorded Investment [Member] | All Other Real Estate [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With an Allowance Recorded	22	0	29
Recorded Investment [Member] | All Other Real Estate [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded		0	0
Recorded Investment [Member] | All Other Real Estate [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	22	0	29
Recorded Investment [Member] | All Other Real Estate [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	17,519	1,880	8,319
Loans Collectively Evaluated For Impairment	17,519	1,880	8,319
Recorded Investment [Member] | All Other Real Estate [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality		0	0
Recorded Investment [Member] | All Other Real Estate [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	17,541	1,880	8,348
Recorded Investment [Member] | Commerical and Industrial [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With an Allowance Recorded	952	326	1,354
Recorded Investment [Member] | Commerical and Industrial [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded	1,473	590	1,298
Recorded Investment [Member] | Commerical and Industrial [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	2,425	916	2,652
Recorded Investment [Member] | Commerical and Industrial [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	37,421	30,551	45,735
Loans Collectively Evaluated For Impairment	37,421	30,551	45,735
Recorded Investment [Member] | Commerical and Industrial [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	915	2,442	967
Recorded Investment [Member] | Commerical and Industrial [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	40,761	33,909	49,354
Recorded Investment [Member] | Consumer and All Other Loans and Leases [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With an Allowance Recorded		0	0
Recorded Investment [Member] | Consumer and All Other Loans and Leases [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded		0	0
Recorded Investment [Member] | Consumer and All Other Loans and Leases [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment		0	0
Recorded Investment [Member] | Consumer and All Other Loans and Leases [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	5,539	2,904	2,435
Loans Collectively Evaluated For Impairment	5,539	2,904	2,435
Recorded Investment [Member] | Consumer and All Other Loans and Leases [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	177	184	179
Recorded Investment [Member] | Consumer and All Other Loans and Leases [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	5,716	3,088	2,614
Recorded Investment [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With an Allowance Recorded	3,067	1,291	4,097
Recorded Investment [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded	3,516	2,428	3,067
Recorded Investment [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	6,583	3,719	7,164
Recorded Investment [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	206,756	177,576	199,982
Loans Collectively Evaluated For Impairment	206,756	177,576	199,982
Recorded Investment [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	34,615	38,056	36,595
Recorded Investment [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	247,954	219,351	243,741
Unpaid Principal Balance [Member] | Construction and Land Development [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	309	200	404
Unpaid Principal Balance [Member] | Construction and Land Development [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded		547	177
Unpaid Principal Balance [Member] | Construction and Land Development [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	309	747	581
Unpaid Principal Balance [Member] | Construction and Land Development [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	9,236	11,988	8,985
Loans Collectively Evaluated For Impairment	9,236	11,988	8,985
Unpaid Principal Balance [Member] | Construction and Land Development [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	5,411	6,632	6,264
Unpaid Principal Balance [Member] | Construction and Land Development [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	14,956	19,367	15,830
Unpaid Principal Balance [Member] | Owner Occupied [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	135	594	731
Unpaid Principal Balance [Member] | Owner Occupied [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded	2,301	1,370	1,745
Unpaid Principal Balance [Member] | Owner Occupied [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	2,436	1,964	2,476
Unpaid Principal Balance [Member] | Owner Occupied [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	51,242	49,100	51,837
Loans Collectively Evaluated For Impairment	51,242	49,100	51,837
Unpaid Principal Balance [Member] | Owner Occupied [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	17,157	17,954	18,575
Unpaid Principal Balance [Member] | Owner Occupied [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	70,835	69,018	72,888
Unpaid Principal Balance [Member] | Non Owner Occupied [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	758	0	763
Unpaid Principal Balance [Member] | Non Owner Occupied [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded		0	0
Unpaid Principal Balance [Member] | Non Owner Occupied [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	758	0	763
Unpaid Principal Balance [Member] | Non Owner Occupied [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	62,685	52,940	57,058
Loans Collectively Evaluated For Impairment	62,685	52,940	57,058
Unpaid Principal Balance [Member] | Non Owner Occupied [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	13,048	13,317	13,184
Unpaid Principal Balance [Member] | Non Owner Occupied [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	76,491	66,257	71,005
Unpaid Principal Balance [Member] | Residential Real Estate [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	1,001	190	899
Unpaid Principal Balance [Member] | Residential Real Estate [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded		0	0
Unpaid Principal Balance [Member] | Residential Real Estate [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	1,001	190	899
Unpaid Principal Balance [Member] | Residential Real Estate [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	23,114	28,213	25,613
Loans Collectively Evaluated For Impairment	23,114	28,213	25,613
Unpaid Principal Balance [Member] | Residential Real Estate [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	5,779	6,835	6,468
Unpaid Principal Balance [Member] | Residential Real Estate [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	29,894	35,238	32,980
Unpaid Principal Balance [Member] | All Other Real Estate [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	25	0	30
Unpaid Principal Balance [Member] | All Other Real Estate [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded		0	0
Unpaid Principal Balance [Member] | All Other Real Estate [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	25	0	30
Unpaid Principal Balance [Member] | All Other Real Estate [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	17,519	1,880	8,319
Loans Collectively Evaluated For Impairment	17,519	1,880	8,319
Unpaid Principal Balance [Member] | All Other Real Estate [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	17,544	1,880	8,349
Unpaid Principal Balance [Member] | Commerical and Industrial [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	1,048	353	2,040
Unpaid Principal Balance [Member] | Commerical and Industrial [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded	1,683	1,143	1,427
Unpaid Principal Balance [Member] | Commerical and Industrial [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	2,731	1,496	3,467
Unpaid Principal Balance [Member] | Commerical and Industrial [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	37,421	30,551	45,735
Loans Collectively Evaluated For Impairment	37,421	30,551	45,735
Unpaid Principal Balance [Member] | Commerical and Industrial [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	2,063	4,330	2,489
Unpaid Principal Balance [Member] | Commerical and Industrial [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	42,215	36,377	51,691
Unpaid Principal Balance [Member] | Consumer and All Other Loans and Leases [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded		0	0
Unpaid Principal Balance [Member] | Consumer and All Other Loans and Leases [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded		0	0
Unpaid Principal Balance [Member] | Consumer and All Other Loans and Leases [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment		0	0
Unpaid Principal Balance [Member] | Consumer and All Other Loans and Leases [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	5,539	2,904	2,435
Loans Collectively Evaluated For Impairment	5,539	2,904	2,435
Unpaid Principal Balance [Member] | Consumer and All Other Loans and Leases [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	180	188	183
Unpaid Principal Balance [Member] | Consumer and All Other Loans and Leases [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	5,719	3,092	2,618
Unpaid Principal Balance [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	3,276	1,337	4,867
Unpaid Principal Balance [Member] | Impaired Loans With No Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With No Allowance Recorded	3,984	3,060	3,349
Unpaid Principal Balance [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	7,260	4,397	8,216
Unpaid Principal Balance [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	206,756	177,576	199,982
Loans Collectively Evaluated For Impairment	206,756	177,576	199,982
Unpaid Principal Balance [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	43,638	49,256	47,163
Unpaid Principal Balance [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	257,654	231,229	255,361
Related Allowance for Loan and Lease Losses (Member) | Construction and Land Development [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	121	2	103
Related Allowance for Loan and Lease Losses (Member) | Construction and Land Development [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	121	2	103
Related Allowance for Loan and Lease Losses (Member) | Construction and Land Development [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	306	364	218
Related Allowance for Loan and Lease Losses (Member) | Construction and Land Development [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality		0
Related Allowance for Loan and Lease Losses (Member) | Construction and Land Development [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	427	366	321
Related Allowance for Loan and Lease Losses (Member) | Owner Occupied [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	32	13	53
Related Allowance for Loan and Lease Losses (Member) | Owner Occupied [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	32	13	53
Related Allowance for Loan and Lease Losses (Member) | Owner Occupied [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	313	491	410
Related Allowance for Loan and Lease Losses (Member) | Owner Occupied [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	345	504	463
Related Allowance for Loan and Lease Losses (Member) | Non Owner Occupied [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	42	0	66
Related Allowance for Loan and Lease Losses (Member) | Non Owner Occupied [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	42	0	66
Related Allowance for Loan and Lease Losses (Member) | Non Owner Occupied [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	594	884	664
Related Allowance for Loan and Lease Losses (Member) | Non Owner Occupied [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality		0
Related Allowance for Loan and Lease Losses (Member) | Non Owner Occupied [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	636	884	730
Related Allowance for Loan and Lease Losses (Member) | Residential Real Estate [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	424	124	324
Related Allowance for Loan and Lease Losses (Member) | Residential Real Estate [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	424	124	324
Related Allowance for Loan and Lease Losses (Member) | Residential Real Estate [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	577	534	582
Related Allowance for Loan and Lease Losses (Member) | Residential Real Estate [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality		0
Related Allowance for Loan and Lease Losses (Member) | Residential Real Estate [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	1,001	658	906
Related Allowance for Loan and Lease Losses (Member) | All Other Real Estate [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	1	0	2
Related Allowance for Loan and Lease Losses (Member) | All Other Real Estate [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	1	0	2
Related Allowance for Loan and Lease Losses (Member) | All Other Real Estate [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	88	7	33
Related Allowance for Loan and Lease Losses (Member) | All Other Real Estate [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	0	0
Related Allowance for Loan and Lease Losses (Member) | All Other Real Estate [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	89	7	35
Related Allowance for Loan and Lease Losses (Member) | Commerical and Industrial [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	605	135	683
Related Allowance for Loan and Lease Losses (Member) | Commerical and Industrial [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	605	135	683
Related Allowance for Loan and Lease Losses (Member) | Commerical and Industrial [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	894	1,063	1,052
Related Allowance for Loan and Lease Losses (Member) | Commerical and Industrial [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	1,499	1,198	1,735
Related Allowance for Loan and Lease Losses (Member) | Consumer and All Other Loans and Leases [Member] | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded		0	0
Related Allowance for Loan and Lease Losses (Member) | Consumer and All Other Loans and Leases [Member] | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment		0	0
Related Allowance for Loan and Lease Losses (Member) | Consumer and All Other Loans and Leases [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	103	133	51
Related Allowance for Loan and Lease Losses (Member) | Consumer and All Other Loans and Leases [Member] | Acquired with Deteriorated Credit Quality [Member]
Recorded Investment:
Loans Acquired With Deteriorated Credit Quality	0	0
Related Allowance for Loan and Lease Losses (Member) | Consumer and All Other Loans and Leases [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	103	133	51
Related Allowance for Loan and Lease Losses (Member) | Unallocated [Member] | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	132	31	1
Related Allowance for Loan and Lease Losses (Member) | Unallocated [Member] | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	132	31	1
Related Allowance for Loan and Lease Losses (Member) | Impaired Loans With An Allowance Recorded (Member)
Recorded Investment:
Impaired Loans With An Allowance Recorded	1,225	274	1,231
Related Allowance for Loan and Lease Losses (Member) | Individually Evaluated for Impairment [Member]
Recorded Investment:
Total Loans Individually Evaluated For Impairment	1,225	274	1,231
Related Allowance for Loan and Lease Losses (Member) | Collectively Evaluated for Impairment [Member]
Recorded Investment:
Loans Collectively Evaluated For Impairment	3,007	3,507	3,011
Related Allowance for Loan and Lease Losses (Member) | Loans Held for Investment (Member)
Recorded Investment:
Total Loans Held for Investment	4,232	3,781	4,242
Average Recorded Investment in Impaired Loans (Member) | Construction and Land Development [Member] | Impaired Loans With An Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With An Allowance Recorded	295	199	198
Average Recorded Investment in Impaired Loans (Member) | Construction and Land Development [Member] | Impaired Loans With No Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With No Allowance Recorded		544	533
Average Recorded Investment in Impaired Loans (Member) | Construction and Land Development [Member] | Individually Evaluated for Impairment [Member]
Average Recorded Investment in Impaired Loans:
Total Loans Individually Evaluated For Impairment	295	743	731
Average Recorded Investment in Impaired Loans (Member) | Owner Occupied [Member] | Impaired Loans With An Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With An Allowance Recorded	670	588	655
Impaired Loans With No Allowance Recorded	1,557
Average Recorded Investment in Impaired Loans (Member) | Owner Occupied [Member] | Impaired Loans With No Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With No Allowance Recorded		1,294	1,378
Average Recorded Investment in Impaired Loans (Member) | Owner Occupied [Member] | Individually Evaluated for Impairment [Member]
Average Recorded Investment in Impaired Loans:
Total Loans Individually Evaluated For Impairment	2,227	1,882	2,033
Average Recorded Investment in Impaired Loans (Member) | Non Owner Occupied [Member] | Impaired Loans With An Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With An Allowance Recorded	733		303
Average Recorded Investment in Impaired Loans (Member) | Non Owner Occupied [Member] | Impaired Loans With No Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With No Allowance Recorded		0	109
Average Recorded Investment in Impaired Loans (Member) | Non Owner Occupied [Member] | Individually Evaluated for Impairment [Member]
Average Recorded Investment in Impaired Loans:
Total Loans Individually Evaluated For Impairment	733		412
Average Recorded Investment in Impaired Loans (Member) | Residential Real Estate [Member] | Impaired Loans With An Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With An Allowance Recorded	967	185	291
Average Recorded Investment in Impaired Loans (Member) | Residential Real Estate [Member] | Impaired Loans With No Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With No Allowance Recorded		0	782
Average Recorded Investment in Impaired Loans (Member) | Residential Real Estate [Member] | Individually Evaluated for Impairment [Member]
Average Recorded Investment in Impaired Loans:
Total Loans Individually Evaluated For Impairment	967	185	1,073
Average Recorded Investment in Impaired Loans (Member) | All Other Real Estate [Member] | Impaired Loans With An Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With An Allowance Recorded	26	0	6
Average Recorded Investment in Impaired Loans (Member) | All Other Real Estate [Member] | Impaired Loans With No Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With No Allowance Recorded		0	0
Average Recorded Investment in Impaired Loans (Member) | All Other Real Estate [Member] | Individually Evaluated for Impairment [Member]
Average Recorded Investment in Impaired Loans:
Total Loans Individually Evaluated For Impairment	26	0	6
Average Recorded Investment in Impaired Loans (Member) | Commerical and Industrial [Member] | Impaired Loans With An Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With An Allowance Recorded	1,527	350	791
Impaired Loans With No Allowance Recorded	1,047
Average Recorded Investment in Impaired Loans (Member) | Commerical and Industrial [Member] | Impaired Loans With No Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With No Allowance Recorded		590	1,425
Average Recorded Investment in Impaired Loans (Member) | Commerical and Industrial [Member] | Individually Evaluated for Impairment [Member]
Average Recorded Investment in Impaired Loans:
Total Loans Individually Evaluated For Impairment	2,574	940	2,216
Average Recorded Investment in Impaired Loans (Member) | Consumer and All Other Loans and Leases [Member] | Impaired Loans With An Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With An Allowance Recorded		0	0
Average Recorded Investment in Impaired Loans (Member) | Consumer and All Other Loans and Leases [Member] | Impaired Loans With No Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With No Allowance Recorded		0	0
Average Recorded Investment in Impaired Loans (Member) | Consumer and All Other Loans and Leases [Member] | Individually Evaluated for Impairment [Member]
Average Recorded Investment in Impaired Loans:
Total Loans Individually Evaluated For Impairment		0	0
Average Recorded Investment in Impaired Loans (Member) | Impaired Loans With An Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With An Allowance Recorded	4,218	1,322	2,244
Impaired Loans With No Allowance Recorded	2,604
Average Recorded Investment in Impaired Loans (Member) | Impaired Loans With No Allowance Recorded (Member)
Average Recorded Investment in Impaired Loans:
Impaired Loans With No Allowance Recorded		2,428	4,227
Average Recorded Investment in Impaired Loans (Member) | Individually Evaluated for Impairment [Member]
Average Recorded Investment in Impaired Loans:
Total Loans Individually Evaluated For Impairment	6,822	3,750	6,471
Interest Income Recognized (Member) | Construction and Land Development [Member] | Impaired Loans With An Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With An Allowance Recorded		0	0
Interest Income Recognized (Member) | Construction and Land Development [Member] | Impaired Loans With No Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With No Allowance Recorded			0
Interest Income Recognized (Member) | Construction and Land Development [Member] | Individually Evaluated for Impairment [Member]
Interest Income Recognized on Impaired Loans:
Total Loans Individually Evaluated For Impairment			0
Interest Income Recognized (Member) | Owner Occupied [Member] | Impaired Loans With An Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With An Allowance Recorded		0	0
Interest Income Recognized (Member) | Owner Occupied [Member] | Impaired Loans With No Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With No Allowance Recorded	1	0	0
Interest Income Recognized (Member) | Owner Occupied [Member] | Individually Evaluated for Impairment [Member]
Interest Income Recognized on Impaired Loans:
Total Loans Individually Evaluated For Impairment	1	0	0
Interest Income Recognized (Member) | Non Owner Occupied [Member] | Impaired Loans With An Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With An Allowance Recorded		0	0
Interest Income Recognized (Member) | Non Owner Occupied [Member] | Impaired Loans With No Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With No Allowance Recorded		0	1
Interest Income Recognized (Member) | Non Owner Occupied [Member] | Individually Evaluated for Impairment [Member]
Interest Income Recognized on Impaired Loans:
Total Loans Individually Evaluated For Impairment		0	1
Interest Income Recognized (Member) | Residential Real Estate [Member] | Impaired Loans With An Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With An Allowance Recorded	19	0	10
Interest Income Recognized (Member) | Residential Real Estate [Member] | Impaired Loans With No Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With No Allowance Recorded			0
Interest Income Recognized (Member) | Residential Real Estate [Member] | Individually Evaluated for Impairment [Member]
Interest Income Recognized on Impaired Loans:
Total Loans Individually Evaluated For Impairment	19		10
Interest Income Recognized (Member) | All Other Real Estate [Member] | Impaired Loans With An Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With An Allowance Recorded		0	0
Interest Income Recognized (Member) | All Other Real Estate [Member] | Impaired Loans With No Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With No Allowance Recorded		0	0
Interest Income Recognized (Member) | All Other Real Estate [Member] | Individually Evaluated for Impairment [Member]
Interest Income Recognized on Impaired Loans:
Total Loans Individually Evaluated For Impairment		0	0
Interest Income Recognized (Member) | Commerical and Industrial [Member] | Impaired Loans With An Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With An Allowance Recorded		0	0
Interest Income Recognized (Member) | Commerical and Industrial [Member] | Impaired Loans With No Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With No Allowance Recorded			0
Interest Income Recognized (Member) | Commerical and Industrial [Member] | Individually Evaluated for Impairment [Member]
Interest Income Recognized on Impaired Loans:
Total Loans Individually Evaluated For Impairment			0
Interest Income Recognized (Member) | Consumer and All Other Loans and Leases [Member] | Impaired Loans With An Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With An Allowance Recorded		0	0
Interest Income Recognized (Member) | Consumer and All Other Loans and Leases [Member] | Impaired Loans With No Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With No Allowance Recorded		0	0
Interest Income Recognized (Member) | Consumer and All Other Loans and Leases [Member] | Individually Evaluated for Impairment [Member]
Interest Income Recognized on Impaired Loans:
Total Loans Individually Evaluated For Impairment		0	0
Interest Income Recognized (Member) | Impaired Loans With An Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With An Allowance Recorded	19	0	10
Interest Income Recognized (Member) | Impaired Loans With No Allowance Recorded (Member)
Interest Income Recognized on Impaired Loans:
Impaired Loans With No Allowance Recorded	1		1
Interest Income Recognized (Member) | Individually Evaluated for Impairment [Member]
Interest Income Recognized on Impaired Loans:
Total Loans Individually Evaluated For Impairment	$ 20		$ 11