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Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	$ 8,671	$ 10,214
Charge-Offs	(206)	(375)
Recoveries	42	43
Provision (Credit)	(400)	50
Balance	8,107	9,932
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	3,057	4,298
Charge-Offs	0	(162)
Recoveries	5	8
Provision (Credit)	(448)	(160)
Balance	2,614	3,984
Commercial loans secured by real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	3,389	3,666
Charge-Offs	(63)	0
Recoveries	11	13
Provision (Credit)	36	(129)
Balance	3,373	3,550
Real estate – residential mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	1,235	1,102
Charge-Offs	(61)	(114)
Recoveries	8	10
Provision (Credit)	31	269
Balance	1,213	1,267
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	127	128
Charge-Offs	(82)	(99)
Recoveries	18	12
Provision (Credit)	62	101
Balance	125	142
Allocation for general risk [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance	863	1,020
Charge-Offs	0	0
Recoveries	0	0
Provision (Credit)	(81)	(31)
Balance	$ 782	$ 989

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- 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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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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