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Loans and Related Allowance for Loan Losses (Allowance for Loan Losses Summarized by Loan Portfolio Segments) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	$ 12,678	$ 11,809	$ 11,922	$ 12,065
Charge-offs	(1,279)	(245)	(3,981)	(998)
Recoveries	351	147	1,895	518
Provision for loan losses	294	500	2,208	626
ALL Ending Balance	12,044	12,211	12,044	12,211
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	4,405	2,566	2,580	2,424
Charge-offs	(623)	(8)	(2,632)	(295)
Recoveries and adjustments	(8)
Recoveries		1	85	66
Provision for loan losses	1,750	22	5,491	386
ALL Ending Balance	5,524	2,581	5,524	2,581
Acquisition and Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	3,118	3,806	4,129	3,912
Charge-offs	0	0	(78)	(256)
Recoveries and adjustments	(4)
Recoveries		59	1,278	100
Provision for loan losses	(1,848)	623	(4,063)	732
ALL Ending Balance	1,266	4,488	1,266	4,488
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	737	1,007	722	1,680
Charge-offs	(259)	0	(518)	0
Recoveries	7	4	45	24
Provision for loan losses	405	(277)	641	(970)
ALL Ending Balance	890	734	890	734
Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	3,723	3,707	3,785	3,862
Charge-offs	(300)	(164)	(516)	(200)
Recoveries	319	29	373	162
Provision for loan losses	(77)	120	23	(132)
ALL Ending Balance	3,665	3,692	3,665	3,692
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	195	223	206	187
Charge-offs	(97)	(73)	(237)	(247)
Recoveries	37	54	114	166
Provision for loan losses	64	12	116	110
ALL Ending Balance	199	216	199	216
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	500	500	500	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision for loan losses	0	0	0	500
ALL Ending Balance	$ 500	$ 500	$ 500	$ 500

X

- Definition

Amount of recovery and recovery adjustments of financing receivables doubtful of collection that were previously charged off.

+ References

No definition available.

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- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

+ 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 (c)(4)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

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Amount of direct write-downs of financing receivables charged against the allowance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

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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 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
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Reference 3: 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

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

Reference 5: 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 of expense related to estimated loss from loan and lease transactions.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
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