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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, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	$ 11,583	$ 12,256	$ 9,918	$ 11,922
Charge-offs	(2,463)	(2,264)	(3,175)	(2,702)
Recoveries	503	1,340	2,271	1,544
Provision for loan losses	299	1,346	908	1,914
ALL Ending Balance	9,922	12,678	9,922	12,678
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	5,567	3,300	3,913	2,580
Charge-offs	(2,316)	(1,798)	(2,745)	(2,009)
Recoveries	58	93	63	93
Provision for loan losses	340	2,810	2,418	3,741
ALL Ending Balance	3,649	4,405	3,649	4,405
Acquisition and Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	883	3,747	871	4,129
Charge-offs	0	(78)	(18)	(78)
Recoveries	177	1,182	188	1,282
Provision for loan losses	140	(1,733)	159	(2,215)
ALL Ending Balance	1,200	3,118	1,200	3,118
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	936	758	858	722
Charge-offs	0	(206)	(33)	(259)
Recoveries	196	8	1,651	38
Provision for loan losses	(296)	177	(1,640)	236
ALL Ending Balance	836	737	836	737
Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	3,502	3,759	3,588	3,785
Charge-offs	(88)	(126)	(236)	(216)
Recoveries	33	22	253	54
Provision for loan losses	98	68	(60)	100
ALL Ending Balance	3,545	3,723	3,545	3,723
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	195	192	188	206
Charge-offs	(59)	(56)	(143)	(140)
Recoveries	39	35	116	77
Provision for loan losses	17	24	31	52
ALL Ending Balance	192	195	192	195
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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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.

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