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Loans - Schedule of Interest Income Recognized and Received on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Impaired loans - Average Recorded Investment	$ 4,042	$ 3,243	$ 5,085	$ 2,978
Impaired loans - Interest Income Recognized	46	48	187	135
Impaired loans - Interest Income Received	46	37	181	135
Residential Real Estate [Member]
Impaired loans - Average Recorded Investment	950	962	950	988
Impaired loans - Interest Income Recognized	19	19	56	57
Impaired loans - Interest Income Received	19	19	56	57
Commercial Real Estate [Member]
Impaired loans - Average Recorded Investment	2,280	223	2,808	449
Impaired loans - Interest Income Recognized	27	3	88	18
Impaired loans - Interest Income Received	27	3	86	18
Commercial [Member]
Impaired loans - Average Recorded Investment	812	2,058	1,327	1,541
Impaired loans - Interest Income Recognized		26	43	60
Impaired loans - Interest Income Received		$ 15	$ 39	$ 60

X

- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ 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
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5258-111524

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ 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
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524

+ Details

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Namespace Prefix:	us-gaap_
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X

- Definition

Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ 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
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524

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