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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, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	$ 9,922	$ 12,678	$ 9,918	$ 11,922
Charge-offs	(245)	(1,279)	(3,420)	(3,981)
Recoveries	177	351	2,448	1,895
Provision for loan losses	901	294	1,809	2,208
ALL Ending Balance	10,755	12,044	10,755	12,044
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	3,649	4,405	3,913	2,580
Charge-offs	(53)	(623)	(2,798)	(2,632)
Recoveries	5	(8)	68	85
Provision for loan losses	936	1,750	3,354	5,491
ALL Ending Balance	4,537	5,524	4,537	5,524
Acquisition and Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	1,200	3,118	871	4,129
Charge-offs	(61)	0	(79)	(78)
Recoveries	42	(4)	230	1,278
Provision for loan losses	3	(1,848)	162	(4,063)
ALL Ending Balance	1,184	1,266	1,184	1,266
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	836	737	858	722
Charge-offs	(4)	(259)	(37)	(518)
Recoveries	15	7	1,666	45
Provision for loan losses	(43)	405	(1,683)	641
ALL Ending Balance	804	890	804	890
Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	3,545	3,723	3,588	3,785
Charge-offs	(16)	(300)	(252)	(516)
Recoveries	46	319	299	373
Provision for loan losses	(41)	(77)	(101)	23
ALL Ending Balance	3,534	3,665	3,534	3,665
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	192	195	188	206
Charge-offs	(111)	(97)	(254)	(237)
Recoveries	69	37	185	114
Provision for loan losses	46	64	77	116
ALL Ending Balance	196	199	196	199
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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