Loans and the Allowance for Loan Losses (Allowance for Loan and Lease Losses) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Impaired [Line Items]
Allowance for loan and lease losses: Individually evaluated for impairment	$ 227	$ 415
Allowance for loan and lease losses: Collectively evaluated for impairment	10,406	9,918
Allowance for loan and lease losses: Total	10,633	10,333	10,232	10,237
Loans Receivable: Individually evaluated for impairment	15,446	17,925
Loans Receivable: Collectively evaluated for impairment	940,150	909,174
Loans receivable: Loans acquired with discounts related to credit quality	31,610	33,505
Total Loans Receivable	987,206	960,604
Commercial and industrial [Member]
Financing Receivable, Impaired [Line Items]
Allowance for loan and lease losses: Individually evaluated for impairment	0	300
Allowance for loan and lease losses: Collectively evaluated for impairment	2,225	1,398
Allowance for loan and lease losses: Total	2,225	1,698	2,083	2,424
Loans Receivable: Individually evaluated for impairment	642	1,121
Loans Receivable: Collectively evaluated for impairment	246,657	226,450
Loans receivable: Loans acquired with discounts related to credit quality	2,066	2,117
Total Loans Receivable	249,365	229,688
Commercial real estate [Member]
Financing Receivable, Impaired [Line Items]
Allowance for loan and lease losses: Individually evaluated for impairment	227	115
Allowance for loan and lease losses: Collectively evaluated for impairment	5,157	5,631
Allowance for loan and lease losses: Total	5,384	5,746	5,353	5,323
Loans Receivable: Individually evaluated for impairment	12,577	14,826
Loans Receivable: Collectively evaluated for impairment	520,729	505,361
Loans receivable: Loans acquired with discounts related to credit quality	14,827	16,352
Total Loans Receivable	548,133	536,539
Construction [Member]
Financing Receivable, Impaired [Line Items]
Allowance for loan and lease losses: Individually evaluated for impairment	0	0
Allowance for loan and lease losses: Collectively evaluated for impairment	434	362
Allowance for loan and lease losses: Total	434	362	284	313
Loans Receivable: Individually evaluated for impairment	0	0
Loans Receivable: Collectively evaluated for impairment	38,078	41,493
Loans receivable: Loans acquired with discounts related to credit quality	1,230	1,229
Total Loans Receivable	39,308	42,722
Residential mortgage [Member]
Financing Receivable, Impaired [Line Items]
Allowance for loan and lease losses: Individually evaluated for impairment	0	0
Allowance for loan and lease losses: Collectively evaluated for impairment	1,004	990
Allowance for loan and lease losses: Total	1,004	990	1,378	1,532
Loans Receivable: Individually evaluated for impairment	2,112	1,858
Loans Receivable: Collectively evaluated for impairment	134,175	135,031
Loans receivable: Loans acquired with discounts related to credit quality	13,366	13,682
Total Loans Receivable	149,653	150,571
Installment [Member]
Financing Receivable, Impaired [Line Items]
Allowance for loan and lease losses: Individually evaluated for impairment	0	0
Allowance for loan and lease losses: Collectively evaluated for impairment	79	146
Allowance for loan and lease losses: Total	79	146	103	113
Loans Receivable: Individually evaluated for impairment	115	120
Loans Receivable: Collectively evaluated for impairment	511	839
Loans receivable: Loans acquired with discounts related to credit quality	121	125
Total Loans Receivable	747	1,084
Unallocated [Member]
Financing Receivable, Impaired [Line Items]
Allowance for loan and lease losses: Individually evaluated for impairment	0	0
Allowance for loan and lease losses: Collectively evaluated for impairment	1,507	1,391
Allowance for loan and lease losses: Total	1,507	1,391	1,031	532
Loans Receivable: Individually evaluated for impairment	0	0
Loans Receivable: Collectively evaluated for impairment	0	0
Loans receivable: Loans acquired with discounts related to credit quality	0	0
Total Loans Receivable	$ 0	$ 0

The balance of financing receivables that were acquired with deteriorated credit quality.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (h)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)(1)(ii)

-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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