Loans and Allowance for Loan Losses (Details 9) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	$ 15,762	$ 15,523	$ 14,855
Provision for loan losses	2,300	1,900	2,000
Total loan charge-offs	(1,515)	(2,146)	(1,638)
Loan recoveries	95	485	306
Net loan charge-offs	(1,420)	(1,661)	(1,332)
Balance, end of period	16,642	15,762	15,523
Commercial [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	10,768
Total loan charge-offs	(1,259)	(1,127)	(1,227)
Loan recoveries	45	361	205
Balance, end of period	11,372	10,768
Commercial [Member] \| Owner occupied RE [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Total loan charge-offs	(110)
Loan recoveries
Commercial [Member] \| Non-owner occupied RE [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Total loan charge-offs	(239)	(432)	(589)
Loan recoveries	2	132	119
Commercial [Member] \| Business [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Total loan charge-offs	(910)	(695)	(638)
Loan recoveries	43	229	86
Commercial [Member] \| Construction [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Total loan charge-offs
Loan recoveries
Consumer [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Balance, beginning of period	4,994
Total loan charge-offs	(256)	(1,019)	(411)
Loan recoveries	50	124	101
Balance, end of period	5,270	4,994
Consumer [Member] \| Other [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Total loan charge-offs	(82)	(53)	(11)
Loan recoveries	11	4	2
Consumer [Member] \| Construction [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Total loan charge-offs
Loan recoveries
Consumer [Member] \| Real estate [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Total loan charge-offs		(749)
Loan recoveries	37	5	86
Consumer [Member] \| Home equity [Member]
Financing Receivable, Allowance For Credit Losses [Roll Forward]
Total loan charge-offs	(174)	(217)	(400)
Loan recoveries	$ 2	$ 115	$ 13

Allowance for loan and lease losses write offs net of recoveries.

No definition available.

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

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- Definition

Amount of increase in valuation and qualifying accounts and reserves from recovery of amount previously written off or reestablishment of reserve previously utilized.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
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