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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		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	$ 10,470	$ 11,583	$ 9,972	$ 9,918
Charge-offs	(1,099)	(2,463)	(1,412)	(3,175)
Recoveries	129	503	493	2,271
Provision for loan losses	269	299	716	908
ALL Ending Balance	9,769	9,922	9,769	9,922
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	3,976	5,567	3,699	3,913
Charge-offs	(889)	(2,316)	(889)	(2,745)
Recoveries	1	58	60	63
Provision for loan losses	215	340	433	2,418
ALL Ending Balance	3,303	3,649	3,303	3,649
Acquisition and Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	1,160	883	1,257	871
Charge-offs	(7)	0	(98)	(18)
Recoveries	44	177	258	188
Provision for loan losses	(25)	140	(245)	159
ALL Ending Balance	1,172	1,200	1,172	1,200
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	860	936	869	858
Charge-offs	(10)	0	(10)	(33)
Recoveries	13	196	31	1,651
Provision for loan losses	(77)	(296)	(104)	(1,640)
ALL Ending Balance	786	836	786	836
Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	3,678	3,502	3,444	3,588
Charge-offs	(86)	(88)	(240)	(236)
Recoveries	27	33	65	253
Provision for loan losses	125	98	475	(60)
ALL Ending Balance	3,744	3,545	3,744	3,545
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	296	195	203	188
Charge-offs	(107)	(59)	(175)	(143)
Recoveries	44	39	79	116
Provision for loan losses	31	17	157	31
ALL Ending Balance	264	192	264	192
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	500	500	500	500
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision for loan losses	0	0	0	0
ALL Ending Balance	$ 500	$ 500	$ 500	$ 500

X

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

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-Publisher FASB
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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

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Amount of expense related to estimated loss from loan and lease transactions.

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