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Loans - Summary of Average Recorded Investment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Average recorded investment [Abstract]
Average recorded investment in impaired loans	$ 7,447	$ 5,976
1-4 Family First Lien Residential Mortgages [Member]
Average recorded investment [Abstract]
Average recorded investment in impaired loans	1,608	1,625
Commercial Real Estate [Member]
Average recorded investment [Abstract]
Average recorded investment in impaired loans	4,437	2,868
Commercial Lines of Credit [Member]
Average recorded investment [Abstract]
Average recorded investment in impaired loans	183	287
Other Commercial and Industrial [Member]
Average recorded investment [Abstract]
Average recorded investment in impaired loans	908	938
Home Equity and Junior Liens [Member]
Average recorded investment [Abstract]
Average recorded investment in impaired loans	220	207
Other Consumer [Member]
Average recorded investment [Abstract]
Average recorded investment in impaired loans	$ 91	$ 51

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- 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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- References

No definition available.

+ Details

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