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Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	$ 8,107	$ 9,932	$ 8,671	$ 10,214
Charge-Offs	(98)	(568)	(304)	(943)
Recoveries	93	107	135	150
Provision (Credit)	0	50	(400)	100
Balance	8,102	9,521	8,102	9,521
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	2,614	3,984	3,057	4,298
Charge-Offs	0	(412)	0	(574)
Recoveries	0	4	5	12
Provision (Credit)	(76)	(10)	(524)	(170)
Balance	2,538	3,566	2,538	3,566
Commercial loans secured by non-owner occupied real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	3,373	3,550	3,389	3,666
Charge-Offs	0	0	(63)	0
Recoveries	13	13	24	26
Provision (Credit)	39	123	75	(6)
Balance	3,425	3,686	3,425	3,686
Real estate – residential mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,213	1,267	1,235	1,102
Charge-Offs	(10)	(103)	(71)	(217)
Recoveries	68	67	76	77
Provision (Credit)	(53)	22	(22)	291
Balance	1,218	1,253	1,218	1,253
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	125	142	127	128
Charge-Offs	(88)	(53)	(170)	(152)
Recoveries	12	23	30	35
Provision (Credit)	75	13	137	114
Balance	124	125	124	125
Allocation for general risk [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	782	989	863	1,020
Charge-Offs	0	0	0	0
Recoveries	0	0	0	0
Provision (Credit)	15	(98)	(66)	(129)
Balance	$ 797	$ 891	$ 797	$ 891

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of other addition (reduction) in allowance reserve for credit loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(4)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

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- Definition

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

+ References

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-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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