Loans and Allowance for Loan Losses (Activity in the Allowance for Loan Losses) (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]
Balance, beginning of period	$ 9,467	$ 8,850	$ 9,241	$ 8,955
Provision for Loan and Lease Losses	300	650	600	1,750
Charge-offs	(68)	(650)	(311)	(1,890)
Recoveries	18	17	187	52
Balance, end of period	9,717	8,867	9,717	8,867
Loans and Leases Receivable, Allowance	9,717	8,867	9,717	8,867
Allowance for Loan Losses: Balance related to loans individually evaluated for impairment	2,350		2,350		2,065
Allowance for Loan Losses: Balance related to loans collectively evaluated for impairment	6,839		6,839		6,741
Total loans	478,000		478,000		489,980
Loans Receivable: Balance individually evaluated for impairment	34,470		34,470		30,368
Loans Receivable: Balance collectively evaluted for impairment	443,530		443,530		459,612
Commercial: Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	3,467	2,826	2,959	2,136
Provision for Loan and Lease Losses	(577)	(121)	(57)	648
Charge-offs	(27)	(90)	(101)	(179)
Recoveries	1	9	63	19
Balance, end of period	2,864	2,624	2,864	2,624
Loans and Leases Receivable, Allowance	2,864	2,624	2,864	2,624
Allowance for Loan Losses: Balance related to loans individually evaluated for impairment	1,390		1,390		1,444
Allowance for Loan Losses: Balance related to loans collectively evaluated for impairment	1,474		1,474		1,515
Total loans	98,573		98,573		96,163
Loans Receivable: Balance individually evaluated for impairment	8,400		8,400		8,088
Loans Receivable: Balance collectively evaluted for impairment	90,173		90,173		88,075
Commercial: Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	353	608	556	633
Provision for Loan and Lease Losses	(58)	(12)	(261)	360
Charge-offs		(237)		(634)
Balance, end of period	295	359	295	359
Loans and Leases Receivable, Allowance	295	359	295	359
Allowance for Loan Losses: Balance related to loans individually evaluated for impairment					65
Allowance for Loan Losses: Balance related to loans collectively evaluated for impairment	295		295		491
Total loans	14,512		14,512		15,959
Loans Receivable: Balance individually evaluated for impairment	4,644		4,644		4,663
Loans Receivable: Balance collectively evaluted for impairment	9,868		9,868		11,296
Commercial: Secured by commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	3,190	3,119	3,124	3,875
Provision for Loan and Lease Losses	419	569	423	450
Charge-offs		(300)		(941)
Recoveries	14	6	76	10
Balance, end of period	3,623	3,394	3,623	3,394
Loans and Leases Receivable, Allowance	3,623	3,394	3,623	3,394
Allowance for Loan Losses: Balance related to loans individually evaluated for impairment	376		376		181
Allowance for Loan Losses: Balance related to loans collectively evaluated for impairment	3,247		3,247		2,943
Total loans	192,930		192,930		195,813
Loans Receivable: Balance individually evaluated for impairment	15,711		15,711		13,579
Loans Receivable: Balance collectively evaluted for impairment	177,219		177,219		182,234
Commercial: Secured by residential real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	811	687	746	676
Provision for Loan and Lease Losses	272	6	423	71
Charge-offs			(86)	(54)
Balance, end of period	1,083	693	1,083	693
Loans and Leases Receivable, Allowance	1,083	693	1,083	693
Allowance for Loan Losses: Balance related to loans individually evaluated for impairment	352		352		211
Allowance for Loan Losses: Balance related to loans collectively evaluated for impairment	731		731		535
Total loans	42,963		42,963		45,070
Loans Receivable: Balance individually evaluated for impairment	2,873		2,873		2,567
Loans Receivable: Balance collectively evaluted for impairment	40,090		40,090		42,503
State and political subdivisions [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	222	151	195	108
Provision for Loan and Lease Losses	39	7	66	50
Balance, end of period	261	158	261	158
Loans and Leases Receivable, Allowance	261	158	261	158
Allowance for Loan Losses: Balance related to loans individually evaluated for impairment	5		5		2
Allowance for Loan Losses: Balance related to loans collectively evaluated for impairment	256		256		193
Total loans	32,019		32,019		35,127
Loans Receivable: Balance individually evaluated for impairment	1,890		1,890		4
Loans Receivable: Balance collectively evaluted for impairment	30,129		30,129		35,123
Loans to depository institutions [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	20		20
Provision for Loan and Lease Losses	(5)		(5)
Balance, end of period	15		15
Loans and Leases Receivable, Allowance	15		15
Allowance for Loan Losses: Balance related to loans collectively evaluated for impairment	15		15		20
Total loans	3,250		3,250		4,515
Loans Receivable: Balance collectively evaluted for impairment	3,250		3,250		4,515
Indirect lease financing [member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	268	376	312	496
Provision for Loan and Lease Losses	(36)	33	(83)	(96)
Charge-offs	(15)		(38)
Recoveries	1		27	9
Balance, end of period	218	409	218	409
Loans and Leases Receivable, Allowance	218	409	218	409
Allowance for Loan Losses: Balance related to loans individually evaluated for impairment	23		23		18
Allowance for Loan Losses: Balance related to loans collectively evaluated for impairment	195		195		294
Total loans	9,940		9,940		11,928
Loans Receivable: Balance individually evaluated for impairment	102		102		121
Loans Receivable: Balance collectively evaluted for impairment	9,838		9,838		11,807
Retail: 1-4 family residential mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	300	234	249	212
Provision for Loan and Lease Losses	3	(39)	73	(17)
Charge-offs			(21)
Recoveries			2
Balance, end of period	303	195	303	195
Loans and Leases Receivable, Allowance	303	195	303	195
Allowance for Loan Losses: Balance related to loans individually evaluated for impairment	88		88		81
Allowance for Loan Losses: Balance related to loans collectively evaluated for impairment	215		215		168
Total loans	27,453		27,453		25,518
Loans Receivable: Balance individually evaluated for impairment	463		463		640
Loans Receivable: Balance collectively evaluted for impairment	26,990		26,990		24,878
Retail: Home equity loans and lines [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	595	616	625	646
Provision for Loan and Lease Losses	(95)	72	(118)	92
Charge-offs		(13)	(19)	(66)
Recoveries			12	3
Balance, end of period	500	675	500	675
Loans and Leases Receivable, Allowance	500	675	500	675
Allowance for Loan Losses: Balance related to loans individually evaluated for impairment	116		116		63
Allowance for Loan Losses: Balance related to loans collectively evaluated for impairment	384		384		562
Total loans	54,270		54,270		57,579
Loans Receivable: Balance individually evaluated for impairment	387		387		706
Loans Receivable: Balance collectively evaluted for impairment	53,883		53,883		56,873
Retail: Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	18	19	20	32
Provision for Loan and Lease Losses	33	15	46	(1)
Charge-offs	(26)	(10)	(46)	(16)
Recoveries	2	2	7	11
Balance, end of period	27	26	27	26
Loans and Leases Receivable, Allowance	27	26	27	26
Allowance for Loan Losses: Balance related to loans collectively evaluated for impairment	27		27		20
Total loans	2,090		2,090		2,308
Loans Receivable: Balance collectively evaluted for impairment	2,090		2,090		2,308
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	223	214	435	141
Provision for Loan and Lease Losses	305	120	93	193
Balance, end of period	528	334	528	334
Loans and Leases Receivable, Allowance	$ 528	$ 334	$ 528	$ 334